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Philodendron species Minimize
PHILODENDRON -  Philodendron species
PHILODENDRON -  Philodendron species
PHILODENDRON -  Philodendron species
PHILODENDRON -  Philodendron species
PHILODENDRON -  Philodendron species
PHILODENDRON -  Philodendron species

Philodendron species

PHILODENDRON

Distinguishing features
Climbing vine with a variety of leaf shapes among spp., most commonly having heart-shaped leaves. Like Dieffenbachia and other aroids, philodendrons are cultivated primarily for their lush green growth; they seldom flower in cultivation.
Plant Characteristics
Philodendrons vary considerably in appearance, Identification of the many species is complicated by differences in form and size of leaves between juvenile and adult growth stages, and by the vast number of hybrids that have been produced commercially. Young plants of many species have similar leaves and often are impossible to identify. Most philodendrons have climbing stems with aerial roots, although some may be erect and free standing; plants: evergreen. perennial; leaves: alternate, large, thick and shining, entire to variously lobed or pinnatifid. The philodendron variations are too numerous to list in this brief treatment.
Distribution
Philodendron, a very common houseplant grown for its foliage, is native to the warm regions of the Americas, including the West Indies. The genus has 200 species.
Toxic Principle
aroid toxins, including calcium oxalate needles and perhaps proteins or amino acids, are responsible for toxicosis. Toxic parts: all parts of the philodendron plant are toxic Leaves and stems are dangerous when eaten in quantity.
Species Affected
Humans and house pets, especially cats, are susceptible to arum toxins.
Clinical Signs
in addition to those symptoms described for Arisaema and Dieffenbachia, philodendron can cause mouth, tongue, and lip irritation.
Confused taxa
The philodendrons can be informally grouped into four categories: trailing with slender, weak stems, stouter-stemmed vines with entire leaves stouter-stemmed vines with lobed ("cut-leaf") leaves; and shrubby, nonvining ("giant"). Of the trailing type, P. scandens C. Koch & H. Sello and P. cordatum (Vello) Kunth are commonly grown. Within the stouter-stemmed vine (entire leaves) category, P. domesticum Bunt is popular. Those stout vines with divided leaves include P. radiatum Schott and hybrids like P. x 'Florida'. Shrubby philodendrons generally are not encountered in homes in Pennsylvania. However, they are planted in tropical gardens, grown under glass in conservatories in the temperate region, and used in interior displays at shopping malls.

Other genera sometimes confused with vining philodendron are Pothos and Scindapsus, some “split-leaf" philodendron are actually Monstera and Epipremnum. Because the genera listed above also are in the Araceae, they should be considered potentially dangerous.

Treatment
aroids, including Arisaema, Dieffenbachia, and Philodendron, can be treated similarly. General treatment includes:
  • diazepam, analgesics
  • except in severe swelling, milk, water, or antacids to dilute the calcium oxalate and to flush out and soothe the oral pharynx
  • maintenance of hydration (intravenous fluids)

Read more in the Poisonous Plants of Pennsylvania Publication

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