White Snakeroot

	White Snakeroot White snakeroot is a common name for several flowering plants in the aster family, Asteraceae, and may refer to: * '' Ageratina altissima'', native to eastern North America (older name: ''Eupatorium rugosum'') * '' Ayapana triplinervis'', native to the tropical Americas {{Plant common name ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae were first described in the year 1740. The number of species in Asteraceae is rivaled only by the Orchidaceae, and which is the larger family is unclear as the quantity of extant species in each family is unknown. Most species of Asteraceae are annual, biennial, or perennial herbaceous plants, but there are also shrubs, vines, and trees. The family has a widespread distribution, from subpolar to tropical regions in a wide variety of habitats. Most occur in hot desert and cold or hot semi-desert climates, and they are found on every continent but Antarctica. The primary common characteristic is the existence of sometimes hundreds of tiny individual florets which are held together by protective involucres in flower heads, or more technicall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Ageratina Altissima ''Ageratina altissima'', also known as white snakeroot, richweed, or white sanicle, is a poisonous perennial herb in the family Asteraceae, native to eastern and central North America. An older binomial name for this species is ''Eupatorium rugosum'', but the genus ''Eupatorium'' has undergone taxonomic revision by botanists, and some species once included in it have been moved to other genera. Description Plants are upright or sometimes ascending, growing to tall, producing single or multi-stemmed clumps in mid to late summer and fall. Stems are smooth with opposite leaves spaced well apart, with each pair of leaves positioned at a 90-degree angle from the pair above and below (decussate). The upper part of the plant has multiple branches, which usually appear in opposite pairs. Leaves have sharply serrated margins and are up to long. At the end of the upper branches, flat-topped panicles or compound corymbs of white flower heads appear, measuring across. The flowers are a c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]