Moonia
Arn.
Herbs, or undershrubs. Leaves opposite, simple to pinnately compound, petiolate.
Heads solitary, terminal, pedunculate. Receptacle convex. Pales conduplicate, scarious
with brown-orange longitudinal lines. Involucral bracts multiseriate, lanceolate to
narrowly ovate; outer herbaceous; inner scarious with brown-orange longitudinal lines.
Ray florets pistillate, fertile, uniseriate; corolla 3-dentate with few to many brown-orange
longitudinal lines. Disc florets sterile, bisexual; corolla tubular, 4-lobed. Anthers black.
Achenes black, obovoid, slightly radially compressed, glabrous.
Indo-malayan origin; 7 species, 2 in India.
Literature. STUSSY, T.F. (1975). A revision of Moonia (Compositae, Heliantheae, Coreopsidinae). Brittonia 27: 97-102. STUSSY, T.F. (1977). Revision of Chrysogonum (Compositae, Heliantheae). Rhodora 79: 190-202.
Indo-malayan origin; 7 species, 2 in India.
Literature. STUSSY, T.F. (1975). A revision of Moonia (Compositae, Heliantheae, Coreopsidinae). Brittonia 27: 97-102. STUSSY, T.F. (1977). Revision of Chrysogonum (Compositae, Heliantheae). Rhodora 79: 190-202.
KEY TO THE SPECIES
| 1a. Ray florets few, narrow, deeply cleft in to linear lobes; involucral bracts ciliate on the margins | 2. Moonia heterophylla |
| b. Ray florets many, broad, shortly and obtusely 3-lobed; involucral bracts not eiliate on the margins | 1. Moonia arnottiana |
