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Ageratina Robinsoniana
''Ageratina'' (snakeroot) is a genus of more than 330 Perennial plant, perennials and rounded shrubs in the family (biology), family Asteraceae. These plants grow mainly in the warmer regions of the Americas and West Indies. Over 150 species are native plant, native to Mexico. Some flourish in the cooler areas of the eastern United States. Two Mexican species have become a pest in parts of Australia and Taiwan. ''Ageratina'' used to belong to the genus ''Eupatorium'', but it has been reclassified. The genus name ''Ageratina'' means "like ''Ageratum''" and consists of ''Ageratum'' and ''-ina'', the feminine form of the Latin adjectival suffix . Description The inflorescence consists of multiple fluffy, red or pinkish-white capitula in clusters. These lack the typical ray flowers of the composites. They have multiple, much-branched woody Plant stem, stems. The Petiole (botany), petioles are rather long. The leaves are triangular, serrate and opposite with a foul-smelling, musky ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ageratina Adenophora
''Ageratina adenophora'' (synonym ''Eupatorium adenophorum''), commonly known as Crofton weed, is a species of flowering plant in the family Asteraceae native to Mexico and Central America. Originally grown as an ornamental plant, it has become invasive into farmland and bushland worldwide. It is toxic to horses, who develop a respiratory disease known as Numinbah Horse Sickness after eating it. Taxonomy ''Ageratina adenophora'' is known by many common names, including eupatory, sticky eupatorium, sticky snakeroot, thoroughwort, and Mexican devil. Description ''Ageratina adenophora'' is a perennial herbaceous shrub that may grow to high. It has opposite trowel-shaped serrated leaves that are long by in width. The small compound flowers occur in late spring and summer, and are found in clusters at the end of branches. Each flowerhead is up to 0.5 cm in the diameter and creamy white. Each small flower is followed by a small brown seed with a white feathery "parachute" ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
