I Can’t Sleep - Philodendron | Gentle Bedtime Reading for Sleep
Episode Date: July 2, 2024Relax with this calm bedtime reading on philodendrons, designed to help ease insomnia and guide you into peaceful rest. In this soothing episode, Benjamin explores the world of philodendron plants—t...heir origins, unique varieties, and their place as beloved houseplants across the globe. His steady, comforting narration blends knowledge with relaxation—no whispers, no hypnosis, just calm, fact-filled storytelling to quiet the mind. Whether you’re struggling with sleeplessness, stress, or anxiety, this gentle reading invites you to press play, unwind, and drift off to sleep while learning about these lush and fascinating plants. Want More? Request a Topic: https://www.icantsleeppodcast.com/request-a-topic Ad-Free Episodes: https://icantsleep.supportingcast.fm/ Shop Sleep-Friendly Products: https://www.icantsleeppodcast.com/sponsors Join the Discussion on Discord: https://discord.gg/myhGhVUhn7 This content is derived from the Wikipedia article on Philodendron, available under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. Read the full article: Wikipedia – Philodendron. Happy sleeping! Learn more about your ad choices. Visit megaphone.fm/adchoices
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Welcome to the I Can't Sleep Podcast, where I read random articles from across the web to bore you to sleep with my soothing voice.
I'm your host, Benjamin Boster.
Today's episode is from a Wikipedia article titled Philodendron.
Philodendron is a large genus of flowering plant.
plants in the family of Eresi. As of September 2015, the World Checklist of Selected Plant
Families accepted 489 species. Other sources accept different numbers. Regardless of number
of species, the genus is the second largest member of the family Eresi, after genus Anthurium.
Taxonomically, the genus Philodendron is still poorly known, with many undescribed species.
Many are grown as ornamental and indoor plants.
The name derives from the Greek words philo, love, affection, and dendron, tree.
The generic name philodendron is often used as the English name.
Compared to other genera of the family Araci, philodendrons have an extremely diverse array of growth methods.
The habits of growth can be epiphytic, or rarely terrestrial.
Others can show a combination of these growth habits depending on the environment.
Hemiphypaphytic phylogendrons can be classified into two types.
Primary and secondary hemiphytes.
A primary hemiphytic philodendron starts life high up in the canopy where the seed initially sprounce.
The plant then grows as an epiphyte.
Once it has reached a sufficient size and age, it would begin producing aerial roots.
roots that grow toward the forest floor.
Once they reach the forest floor, nutrients can be obtained directly from the soil.
In this manner, the plant's strategy is to obtain light early in its life at the expense of nutrients.
Some primary epiphytic species have a symbiotic relationship with ants.
In these species, the ants' nest is grown amongst the plant's roots, which help keep
the nest together. Philodendrons have extra floral nectries, glands that secrete nectar to attract
the ants. The philodendron, in turn, obtains nutrients from the surrounding ant nest,
and the aggressive nature of the ants serves to protect the plant from other insects which would
eat it. Secondary hemiphytes start life on the ground, or on part of a tree trunk, very close to the
ground, where the seeds sprout. These philodendrons have their roots in their roots in the
ground early in their lives. They then begin climbing up a tree and eventually may become completely
epiphytic, doing away with their subterranean roots. Secondary hemiphytes do not always
start their lives close to a tree. For these philodendrons, the plant will grow with long
inner nodes along the ground until a tree is found. They find a suitable tree by growing towards darker
areas, such as the dark shadow of a tree. This trait is called scototropism. After a tree has been
found, the scottotropic behavior stops, and the philodendron switches to a phototropic growth
habit, and the inner nodes shorten and thicken. Usually, however, philodendrons germinate on trees.
The leaves are usually large and imposing, often lobed or deeply cut, and may be more or less
pinnade. They can also be oval, spear-shaped, divided, or many other possible shape variations.
The leaves are born alternately on the stem. A quality of philodendrons is that they do not have a
single type of leaf on the same plant. Instead, they have juvenile leaves and adult leaves,
which can be drastically different from one another. The leaves of seedling philodendrons are usually
heart-shaped early in the life of the plant.
But after it is matured past the seedling stage,
the leaves will acquire the typical juvenile leaves, shape, and size.
Later in the philodendrons life, it starts producing adult leaves,
a process called metamorphosis.
Most philodendrons go through metamorphosis gradually.
There's no immediate, distinct difference between juvenile and adult leaves.
Aside from being typically much bigger than the juvenile leaves,
the shape of adult leaves can be significantly different.
In fact, considerable taxonomic difficulty has occurred in the past
due to these differences,
causing juvenile and adult plants to mistakenly be classified as different species.
The trigger for the transformation to adult leaves can vary considerably.
One possible trigger is the height of the plant.
Secondary hemiphytes start off on the dark forest floor and climb their way up a tree,
displaying their juvenile-type leaves along the way.
Once they reach a sufficient height, they begin developing adult-type leaves.
The smaller juvenile leaves are used for the darker forest floor, where light is in scarce supply.
But once they reach a sufficient height in the canopy,
the light is bright enough that the bigger adult leaves can serve a useful purpose.
Another possible trigger occurs in primary hemipiphytes.
These philodendrons typically send their aerial roots downward.
Once their roots have reached the ground below,
the plant will begin taking up nutrients from the soil,
of which it had been previously deprived.
As a result, the plant will quickly morph into its adult leaves
and gain in size dramatically.
Another quality of philodendron leaves is
they are often quite different in shape and size, even between two plants of the same species.
As a result of all these different possible leaf shapes, it is often difficult to differentiate natural
variations from morphogenesis. Philodendrons also produce cataphyls, which are modified leaves
that surround and protect the newly forming leaves. Cataphyls are usually green, leaf-like, and rigid,
while they are protecting the leaf.
In some species, they can even be rather succulent.
Once the leaf has been fully formed,
a catafil usually remains attached
where the stem and base of the leaf mean.
In philodendrons cataphyls typically fall into two categories,
deciduous and persistent types.
A deciduous catafel curls away from the leaf once it is formed,
eventually turning brown and drying out.
and finally falling off the plant, leaving a scar on the stem where it was attached.
Deciduous catafills are typically found on vining philodendrons,
whereas persistent cataphyls are typical of epiphytic philodendrons or oppressed climbers.
In the latter, the cataphyls are prevented from falling off in a timely manner,
due to the short inner nodes of the plant.
The cataphyls will remain attached, drying out, and becoming nothing more than fibers attached to the nodes.
In some philodendrons, the cataphyls build up over time and eventually form a wet mass at the nodes.
This may keep emerging roots moist and provide some form of lubrication to new leaves.
Philodendrons have both aerial and subterranean roots.
The aerial roots occur in many shapes and sizes and originate from,
most of the plant's nodes, or occasionally from an inner node.
The size and number of aerial roots per node depends on the presence of a suitable substrate
for the roots to attach themselves. Aerial roots serve two primary purposes.
They allow the philodendron to attach itself to a tree or other plant, and they allow it to
collect water and nutrients. As such, the roots are divided morphologically into these two
categories. Aerial roots used for attaching to trees tend to be shorter, more numerous, and sometimes
have a layer of root hairs attached. Those used for collecting water and nutrients tend to be thicker
and longer. These feeder roots tend to attach flush with a substrate to which the philodendron is
attached and make their way directly downwards in search of soil. In general, feeder roots tend to show
both positive hydrotropic and negative heliotropic behaviors.
Characteristic of roots and philodendrons is the presence of a sclerotic hypodermis,
which are cylindrical tubes inside the epidermis that can be one to five cells long.
The cells that line the sclerotic hyperdermis are elongated and tend to be hardened.
Underneath the epidermis is a unique layer of cells in a pattern of long cells followed by
short cells. Some philodendrons have extra floral nectaries, nectar-producing glands found outside of the
flowers. The nectar attracts ants with which the plant enjoys a protective symbiotic relationship.
Nectaries can be found in a variation of locations on the plant, including the stalks, sheaths,
lower surfaces of the leaves, and spathes. The nectaries produce a sweet, sticky substance the ants like to eat,
and which provides an incentive for them to build their nests amongst the roots of the given philodendron.
In some cases, the amount of nectar produced can be quite extensive,
resulting in the surface becoming entirely covered with it.
Botanically, the fruit produced is a berry.
The berries develop later in the season.
Very development time varies from species to species from a few weeks to a year,
although most philodendrons take a few months.
The spades will enlarge to hold the maturing berries.
Once the fruit are mature, the spades will begin to open again,
but this time it will break off at the base and fall to the forest floor.
Additionally, the berries are edible,
although they contain calcium oxalate crystals
and have a taste akin to bananas.
Many botanical sources will indicate that berries are poisonous,
probably due to the oxalate crystals.
Many tropical plants contain oxalates in varying amounts.
Sometimes proper preparation can render these harmless,
and in many cases eating minor amounts causes most people no distress or minor gastric irritation.
However, care should be taken to verify the toxicity of any particular species
before ingesting these berries, particularly regularly or in large amounts.
The color of the berries can vary depending on the species,
but most produce a white berry with slight tones of green. Some produce orange berries and
others yellow berries, though. Still others will produce berries that start off white, but then change
to another color with time. Philodendrons that produce orange berries tend to be members of the
section Calostigma, contained within the berries or the seeds which are extremely small compared
to other members of the family, Eresi. The berries often give off odors.
to attract animals to eat and disperse them.
For example, philodendrum malleadorum berries are known to emit an odor similar to that of garlic.
The animals that distribute the seeds depends on the species, but some possible dispersers include bats and monkeys.
Insects also may be responsible for dispersing seeds, as beetles and wasps have been seen feeding on philodendron berries.
Eurydumid wasps also seek out philodendron berries.
and are known to lay their eggs in the ovaries of many philodendron species, resulting in galled in fluorescences.
Philodendrons exhibit extremely few physical reproductive barriers to prevent hybridization,
but very few natural hybrids are found in nature.
This may be because philodendrons have many geographic and time barriers to prevent any such cross-pollination.
For example, it is rare for more than one philodendron species,
to be flowering at the same time
or to be pollinated by the same species of beetles.
The beetles have also been observed to be selective
to the height of the plant they pollinate,
which would serve as an additional preventative measure
to make hybrids less likely.
Because of these outside barriers,
philodendrons may not have had to evolve physical mechanisms
to prevent cross-pollination.
Hybrids in nature are only rarely reported.
When found, these hybrids can often show remarkable genetic relationships.
Crosses between two philodendrons in different sections can occur successfully.
Philodendrons are known to have been collected from the wild as early as 1644 by Georg Markcraft.
The first partly successful scientific attempt to collect and classify the genus was done by Charles Plumier.
Plumier collected approximately six species from the island of Martinique, Hispaniola,
and St. Thomas. Since then, many exploration attempts have been made to collect new species by others.
These include those by N.J. Jacquine, who collected new species in the West Indies, Colombia,
and Venezuela. At this time in history, the names of the philodendrons they were discovering
were being published with the genus name, Arum, since most aeroids were considered to belong to the same genus.
the genus philodendron had not yet been created.
Throughout the late 17th, 18th century and early 19th centuries,
many plants were removed from the genus Aram
and placed into newly created genera in an attempt to improve the classification.
Heinrich Wilhelm Schott addressed the problem of providing improved taxonomy
and created the genus Philodendron and described it in 1829.
The genus was first specified.
as philodendrum. But in 1832, Schott published his system for classifying plants in the
family erasi, titled Melitamata Botanica, in which he provided a method of classifying philodendrons
based on flowering characteristics. In 1856, Schott published a revision of his previous work
titled Synopses Erodirum, and then published his final work Prodromus Sistamatus Orodirum in 1860.
in which have provided even more details about the classification of philodendrum and described 135 species.
Philodendron are usually extremely distinctive and not usually confused with other genera,
although a few exceptions in the genera Anthurium and homalamina resemble philodendron.
The genus Philodendron has been subdivided into three subgenera, mechanistigma, teramisham, and philodendron.
In 2018, it was proposed that philodendron subgenre mechanism
be recognized as a separate genus, thalmatophyllum.
The genus Philodendron can also be subdivided into several sections and subsections.
Section Borgia, section Philipsamus, section Philodendron,
subsections, acuripodium, canofilium, macrolonchium, philodendron,
platypodium, sorapodium, and soledron.
an esterigma, section calostigma, subsections bulauna, eucardium, glossophilum, macrobellium,
and allegocarpidium, section tritomophilum, section schizophilum, section polytomium, section
macrogeneum, and section camptogenium. Typically, the inflorescence is of great importance
in determining the species of a given philodendron, since it tends to be
less variable than the leaves. The genus Philodendron could be classified further by means of
differentiating them based on the pattern of thermogenesis observed, although this is not currently used.
Philodendron diverged from Andalonoma and diversified during the late ologacine,
circa 25 million years ago in the new world. Philodendron species can be found in many diverse
habitats in the tropical Americas and the West Indies.
Most occur in humid tropical forests, but can also be found in swamps on riverbanks,
roadsides, and rock outcrops.
They are also found throughout the diverse range of elevations from sea level to over 2,000
meters above sea level.
Species of this genus are often found clamoring over other plants,
or climbing the trunks of trees with the aid of aerial roots.
Philodendrons usually distinguish themselves in their environment by their large numbers compared to other plants,
making them a highly noticeable component of the ecosystem in which they are found.
They are found in great numbers and road clearings.
Philodendrons can also be found in Australia, some Pacific islands, Africa and Asia,
although they are not indigenous and were introduced or accidentally escaped.
Philodendrons can be grown outdoors in mild climates and shady spots.
They thrive in moist soils with high organic matter.
In milder climates, they can be grown in pots of soil, or in the case of philodendron
oxycardium, and containers of water.
Indoor plants thrive at temperatures between 15 and 18 degrees Celsius, and can survive at lower
light levels than other house plants.
Although philodendums can survive in dark places, they much prefer bright lights.
Wiping the leaves off with water will remove any dust and insects.
Plants and pots with good root systems will benefit from a weak fertilizer solution every other week.
New plants can be grown by taking stem cuttings with at least two joints.
Cuttings then can be rooted in pots of sand and peat moss mixtures.
These pots are placed in greenhouses,
with bottom heat of 21 to 24 degrees Celsius.
During the rooting, cuttings should be kept out of direct sunlight.
Once rooted, the plants can be transplanted to larger pods
or directly outside in milder climates.
Stem cuttings, particularly from trailing varieties,
can be rooted in water.
In four to five weeks, the plants should develop roots
and can be transferred to pods.
Pallodendrons can also propagate through air layering,
which is a more advanced method of propagation that involves creating a new plant on the stem of an existing plant.
Hybridizing philodendrons is quite easy if flowering plants are available
because they have very few barriers to prevent hybridization.
However, some aspects of making crosses can make philodendron hybridization more difficult.
Philodendrons often flower at different times,
and the time when the spade opens up varies from plant to plant.
The pollen and the inflorescence both have short lives, which means a large collection
of philodendrons is necessary if cross-breeding is to be done successfully.
The pollen life can be extended to a few weeks by storing it in film canisters in a refrigerator.
Artificial pollination is usually achieved by first mixing the pollen with water.
A window is then cut into the spays and the water pollen mixture is rubbed on the fertile female
male flowers. The entire spade is then covered in a plastic bag so the water pollen mixture does not dry
out. The bag is removed a few days later. If the inflorescence has not been fertilized, it will fall
off, usually within a few weeks. The resins produced during the flowering of Monstera and
philodendron are known to be used by trigona bees in the construction of their nests.
Indigenous people from South America use the resin from the bees' nest to make their blowguns, air, and watertight.
Though they contain calcium oxalate crystals, the berries of some species are eaten by the locals.
Additionally, the aerial roots are also used for rope in this particular species.
The leaves of philodendrons are also known to be eaten by Venezuelan red howler monkeys, making up 3.1% of all the leaves they eat.
eat. Also in the making of a particular recipe for Karari by the Amazonian Tawanos,
the leaves and stems of an unknown phyodendron species are used. The leaves and stems are
mixed with the bark of vichygia ferriginia and with some parts of a species in the genus
strictness. Yet another use of philodendrons is for catching fish. A tribe in the
Colombian Amazon is known to use a part of the philodendron to add poison to the
temporarily stunning the fish, which rise up to the surface where they can be easily scooped up.
To add the poison to the water, the leaves are cut into pieces and tied together to form bundles,
which are allowed to ferment for a few days.
The bundles are crushed and added to the water into which the poison will dissipate.
Although the toxicity of this part of the philodendron is not fully known,
active ingredients in the poisoning of the fish, possibly, or cumerins formed during the fermentation process.
Some philodendrons are also used for ceremonial purposes.
Among the Kubia tribe, native to Colombia, philodendron and cignet is used by which doctors to treat ill patients.
They use the juice of the spades to stain their hands red, since many such tribes view the color red as a sign of power.
philodendrons can contain as much as 0.7% of oxalates in the form of calcium oxalite crystals as rapides.
The risk of death, if even possible, is extremely low if ingested by an average adult,
although its consumption is generally considered unhealthy.
In general, the calcium oxalate crystals have a very mild effect on humans,
and large quantities have to be consumed for symptoms to even appear.
possible symptoms include increased salivation, a sensation of burning of the mouth,
swelling of the tongue, stomatitis, dysphagia, and inability to speak, and edema.
Cases of mild dermatitis due to contact with the leaves have also been reported,
with symptoms including vesiculation and erythema.
The chemical derivatives of alcanol resource anol are believed to be
responsible for the dermatitis in some people.
Contact with philodendron oils or fluids with the eyes have also been known to result in
conjunctivitis. Fatal poisonings are extremely rare. One case of an infant eating small quantities
of a philodendron resulting in hospitalization and death has been reported.
This one case study, however, was found to be inconsistent with the findings from a second study.
In this study, 127 cases of children ingesting philodendrons were studied, and they found only one child showed symptoms.
A 10-month-old had minor upper lip swelling when he chewed on a philodendron leaf.
The study also found the symptoms could subside without treatment, and that previously reported cases of severe complications were exaggerated.
