Cosmos sulphureus Cav.

Sub-Family: Not available
English Name: Sulphur Cosmos
Synonym: Bidens sulphurea (Cav.)Sch.-Bip.
Common Name: Not available
Flowering & Fruiting Period: February-November
Distribution: Native of North America and Africa, introuduced as a garden plant
Habitat: Cultivated as ornamental, also runs wild
Uses: Ornamental
Key Characteristics: Herbs, erect, annual. Leaves 2-3 pinnatisect. Involucral bracts in 2 series; outer herbaceous; inner membranous, scarious, narrow but broader and longer than the outer bracts. Ray florets few; corolla yellow-orange, obovate, 2-3 denticulate, sparingly pilose. Ovary not fertile. Disc florets many; corolla tubular-cylindrical; apical lobes narrowly obtuse, ciliate on the innerside. anthers yellow; filament flattened, densely ciliate. Ovary slightly expanded basally. Style branches yellow, pilose. Achenes black.