Monographs Details:
Authority:

Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.
Family:

Asteraceae
Scientific Name:

Eupatorium
Description:

Description - Erect herbs or shrubs, with opposite or vertieillate, or sometimes alternate, often punctate leaves, and, in most species, cymose-corymbose discoid heads of white, blue or purple flowers. Involucre oblong, ovoid, campanulate, or hemispheric, the bracts imbricated in 2-several series. Receptacle naked. Corolla regular, its tube slender, its limb 5-lobed or 5-toothed. Anthers obtuse and entire at the base, appendiculate at the apex. Style-branches elongated, flattened, or thickened above, stigmatic at the base. Achenes 5-angled, truncate. Pappus of numerous capillary, usually scabrous bristles arranged in 1 row. [Named for Mithridates Eupator. i. e., of a noble father.] Over 500 species, mostly of warm or tropical regions. Type species Eupatorium cannabinum L.