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...contained in a spadix that is covered by a hood. It is native to eastern [[North America]], occurring in moist woodlands and thickets from [[Nova Scotia]] w ...d covers over and contain a [[spadix]] ("Jack"), covered with tiny flowers of both sexes. The flowers are unisexual, in small plants most if not all the

...http://www.lib.ksu.edu/wildflower/whorledmilk.html Wildflowers and Grasses of Kansas]</ref> by Native American tribes. Its native range includes most of eastern North America and parts of western North America.<ref name="plants"/>

...atorium]]'' has undergone taxonomic revision by [[botanist]]s and a number of the species once included there have been moved to other genera. ...ima (Linnaeus) R. M. King & H. Robinson var. altissima | work = [[Flora of North America]]}}</ref>

...It is a [[poison]]ous plant; the name means "poisonous to dogs". All parts of the plant are poisonous and can cause cardiac arrest if ingested. The stems are reddish and contain a milky [[latex]] capable of causing skin blisters. The [[leaf|leaves]] are opposite, simple broad lance

...in the family [[Papaveraceae]] and most closely related to ''[[Eomecon]]'' of eastern Asia. ...zome]], that grows shallowly under or at the soil surface. Over many years of growth, the branching rhizome can grow into a large colony. Plants start to

...silobum|Poison-Oak]], and [[Toxicodendron rydbergii]] are found in western North America. Poison ivy rarely grows at altitudes above {{convert|1500|m|ft|abb ...not grow in [[desert]] or [[arid]] conditions. It grows in a wide variety of [[soil]] types, and [[soil pH]] from 6.0 (acidic) to 7.9 (moderately alkali

...ropagation|propagation]], the combustible material present, and the effect of weather on the fire.<ref name=UToronto /> ...cial effects on wilderness areas. Some plant species depend on the effects of fire for growth and reproduction,<ref name=NOVA /> although large wildfires

| image_alt = A short green plant with many elliptical shaped leaves of arcuate venation ...[cloud forest]] in the isolated [[Sierra Madre de Oaxaca|Sierra Mazateca]] of [[Oaxaca]], Mexico, growing in shady and moist locations.<ref name=Reisfiel