Botanical Survey of India | Flora of India

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Cremanthodium decaisnei C.B. Clarke, Comp. Ind. 168. 1876; Hook.f., Fl. Brit. India 3: 331. 1881.


Herbs, brown, perennial, brownish black pubescent, up to 25 cm high; stems erect, simple, glabrous below, brownish black pubescent above, grooved. Radical leaves reniform, mucronately dentate. 2.5 x 3 - 4 cm, glabrous above, appressed brownish white tomentose beneath; petiole ca 3 - 5 cm long; cauline leaves few, much reduced, lanceolate with sheathing base, densely pubescent, sessile. Capitula, broadly campanulate, solitary, nodding, ca 2.5 cm in diam., bracteolate; bracteoles black, 2 - 3, linear, subulate. Involucre campanulate, pubescent; bracts 10 - 15, in two series, overlapping; outer narrower, linear-lanceolate, 11.5 x 2 mm, acute; inner bracts elliptic-oblong, 11 x 3 mm, faintly 3 - 5 -ribbed. Ray florets yellow, linear-oblong, ca 16 - 19 mm long; tube distinct or very obscure. Disc florets ca 8 mm long; limb ca 6 mm long; tube ca 2 mm long. Achenes of ray florets linear-oblong, 3.5 mm long, glabrous to sparingly pubescent; those of disc florets blackish brown, linear-oblong, 6 mm long, pubescent. Pappus of white, scabrid hairs, 5 - 6 mm long; those of disc florets ca 9 - 10 mm long.



KEY TO THE FORMAS


1a. Ray florets with distinct tube 4.2. decaisnei
b. Ray florets with obsolete tube 4.1. clarkei


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