Dubyaea DC.

Herbs, perennial, with white latex; roots fusiform or tuberous; stems erect, simple or sparingly branched leafy. Leaves various in shape and size; lower leaves ovate-oblong or ovate-lanceolate, hastate, sinuate-toothed; upper leaves gradually reduced, oblong or cordate, base auricled or stem-clasping, sessile. Inflorence cymose or racemose. Heads usually broadly campanulate or bell-shaped, erect or nodding, clothed with black or purple glandular hairs. Involucral bracts numerous, rather evenly imbricate; outer linear-lanceolate, acute or acuminate, densely hairy; inner linear-oblong, acute, bristly. Florets all ligulate; corolla usually yellow, large. Stamens 5, appendaged; anthers slender, base sagittate. Style slender; stigma bifid, blackish or yellowish. Achenes lanceolate, fusiform sub-rostrate, narrowed into a pale, slender beak.

Endemic to Sino-Himalayan region; 9 species, 2 in India.

Literature. STEBBINS, G.L. (1940) Studic. in the Cichorieae Dubyaea and Soroseris, Endemics of the Sino-Himalayan Region. Mem. Torr. Bot. Club 19: 5 - 75. Vol. 19.

KEY TO THE SPECIES

1a. Heads drooping; stems from a creeping rhizome; outer involucral bracts relatively few

1. Dubyaea hispida

b. Heads erect; stems from a tap root; outer involucral bracts numerous

2. Dubyaea oligocephala

List of Lower Taxa