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Apocynum
''Apocynum'', commonly known as dogbane or Indian hemp, is a small genus of the flowering plant family Apocynaceae. Its name comes from Ancient Greek , from "away" and "dog", referring to dogbane (''Cionura erecta''), which was used to poison dogs. The genus is native to North America, temperate Asia, and southeastern Europe. ''Apocynum'' species are used as food plants by the larvae of some Lepidoptera species, including the mouse moth and the queen butterfly. Uses ''Apocynum cannabinum'' was used as a source of fiber by Native Americans. ''Apocynum venetum'' () is used as an herbal tea in China. Dogbane contains cymarin, a cardiotonic agent formerly used to treat cardiac arrhythmia in humans. Species Almost 300 names have been proposed in the genus for species, subspecies, and forms. , only the following five species and hybrids are currently recognized, with several subspecies and varieties accepted for '' A. androsaemifolium'' and '' A. venetum'' (see their respective ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apocynum Cannabinum
''Apocynum cannabinum'' (dogbane, amy root, hemp dogbane, prairie dogbane, Indian hemp, rheumatism root, or wild cotton) is a perennial herbaceous plant that grows throughout much of North America—in the southern half of Canada and throughout the United States. It is poisonous to humans, dogs, cats, and horses. All parts of the plant are toxic and can cause cardiac arrest if ingested. Some Lepidoptera feed on this plant, such as a hummingbird moth. Description ''Apocynum cannabinum'' grows up to tall. The stems are reddish and contain a milky latex. The leaves are opposite, simple broad lanceolate, long and broad, entire, and smooth on top with white hairs on the underside. It flowers from July to August, has large sepals, and a five-lobed white corolla. The flowers are hermaphrodite, with both male and female organs. Taxonomy Etymology ''Apocynum'' means "poisonous to dogs". The specific epithet ''cannabinum'', and the common names hemp dogbane and Indian hemp refer to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apocynum Androsaemifolium
''Apocynum androsaemifolium'', the fly-trap dogbane or spreading dogbane, is a flowering plant in the Gentianales order. It is common in North America. Description ''Apocynum androsaemifolium'' is a perennial herb with branching stems, hairs on the underside of the leaves, and no hair on the stems. It grows to , exceptionally . Milky sap appears on broken stems. Its leaves appear as pointed ovals, with entire leaf margins and alternate venation. Pairs of pink flowers bloom at the end of stalks between June and September. Two seed pods in length contain silky-haired seeds. Taxonomy Subspecies and varieties Subspecies and varieties include: # ''Apocynum androsaemifolium'' subsp. ''androsaemifolium'' - E Canada, W United States # ''Apocynum androsaemifolium'' var. ''griseum'' (Greene) Bég. & Belosersky - Ontario, British Columbia, Washington State, Oregon, Idaho, Indiana, Michigan # ''Apocynum androsaemifolium'' var. ''incanum'' A.DC. - widespread in Canada, United States ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
