Sinclairia cervina (B. L. Rob.) B. L. Turner

Liabellum cervinum (B. L. Robinson) Rydberg
Liabum cervinum B. L. Robinson, Proc. Am. Acad. 29: 317. 1894.
A herbaceous perennial, with tuberous-thickened root; stem about 5 dm. high, simple, leafy, grooved, arachnoid-tomentose; leaves 7-15 cm. long, slightly floccose when young, soon glabrate above, permanently white-tomentose beneath, sessile and slightly connate, palmately divided and then again cleft into linear, attenuate, cuspidate-denticulate divisions, which are 3-7 mm. wide, revolute-margined ; inflorescence cymose-corymbose, its branches tomentose as well as hirsute with moniliform hairs; heads 4—7; involucre rounded-campanulate, 18-20 mm. high, 20-25 mm. broad; bracts imbricate, in about 3 irregular series, linear-lanceolate, acuminate, hirsute with moniliform hairs and slightly arachnoid; corolla yellow, 10-13 mm. long; tube hirsute, 5 mm. long, rather abruptly dilated into a subcylindric throat, the lobes 3 mm. long, lance-linear; anthers 6 mm. long, style-branches 3 mm. long, obtuse; achenes 3 mm. long, silky; inner pappus-bristles numerous, hispidulous, 12-13 mm. long, straw-colored, the outer squamellae 1-2 mm. long, linear-lanceolate.
Type locality: San Marcos, Jalisco. Distribution: Jalisco.