Liabum wrightii Griseb.

Liabum wrightii Griseb. Mem. Am. Acad. II. 8: 515. 1862
A perennial, with a rootstock; stem 2-4 dm. high, leafy near the base; petioles 3-8 cm. long, slightly connate at the base, with sinuate-dentate wing-margins; leaf-blades oblanceolate, pinnately veined, 5-10 cm. long, acute at the apex, decurrent at the base, sinuate-dentate, with mucronate teeth, hispid with flat hairs and green above, white-tomentose beneath; peduncle 1-3 dm. long, floccose; inflorescence subumbellate or corymbiform; heads rather few; involucre about 1 cm. high, 10-15 mm. wide; bracts imbricate in 5-6 series, narrowly lanceolate, acute or the inner attenuate, the outer gradually shorter and somewhat floccose below, otherwise puberulent; tube of the ray-corollas slender, sparingly hispidulous, 6 mm. long, the ligule 6-7 mm. loiij?, Irs, than 0.5 mm wide; disk-corollas about 8 mm. long, sparingly hirsutulous, similar to tbOM of L. umbellatum; achenes 2 mm. long, hispid; inner pappus-bristles 20 or more, 8 mm. long, scabrous hispidulous, the outer ones very few and minute.
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