Cyanthillium cinereum (L.) H.Rob.
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Authority
Acevedo-Rodríguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.
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Family
Asteraceae
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Scientific Name
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Description
Species Description - Erect herb to 80 cm tall; stems unbranched or more commonly few-branched. Leaf blades 1.5-3 X 1-1.5 cm, obovate, chartaceous, puberulent, also usually glandular below, the margins subentire or crenulate, tapering into a winged petiole to 1.5 cm long. Inflorescence of 5 to many heads on peduncles 0.5-1.5 cm long. Heads ca. 15-flowered; involucre ca. 3.5 mm long; outer involucral bracts much reduced, the inner involucral bracts subequal. Corollas exserted from involucre, 3-4 mm long, the tube long narrow brown or cream-colored, the limb short, lavender, pilose. Achenes ca. 1.5 mm long; inner pappus bristles to 3 mm long, exserted from involucre and nearly as long as the corollas.
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Distribution
Common weed of disturbed areas, fields, and moist upland forests. Bordeaux Mountain (Ml7043), Lind Point (A3145), Lameshur (A2740). Also on St. Croix, St. Thomas, and Tortola; throughout the West Indies, Florida, Mexico, Central America, northern South America, Africa, Asia, and the Pacific.
Saint Croix Virgin Islands of the United States South America| Saint Thomas Virgin Islands of the United States South America| Tortola Virgin Islands South America| West Indies| Florida United States of America North America| México Mexico North America| Central America| South America| Africa| Asia|