Herbs 15-22 cm tall. Petiole light purplish green, broadly winged in outer leaves but narrowly so in middle ones; leaf blade deep green, narrowly elliptic to narrowly oblanceolate, 10-23 × 3-5.5 cm, ± sparsely arachnoid, pinnatisect, midvein adaxially brownish purple throughout; lateral lobes (4-)6 or 7 pairs, ± narrowly triangular, 1-2.5 × 1-1.5 cm, ± patent but sometimes slightly bent upward, distal margin of upper lobes ± entire but denticulate in lower ones, apex acute; interlobes evident, bordered purplish brown and with raised denticulate margin; terminal lobe triangular to broadly triangular, 1-3.5 × 1.4-3 cm, margin entire or with 1 or 2 asymmetric incisions, apex subacute. Scapes purplish green, ± equaling leaves, usually densely arachnoid. Capitulum ca. 4 cm wide. Involucre 1-1.2 cm wide, base ± truncate. Outer phyllaries 17-20, abaxially light olivaceous green suffused brownish pink near apex, adaxially pale grayish green, ± not imbricate, ± lanceolate to ovate-lanceolate, outermost ones 9-13 × 3.5-5.5 mm and ca. 2/3 as long as inner ones, ± irregularly patent to sometimes arcuate-patent, with whitish membranous 0.1-0.2 mm wide border, margin sparsely ciliate, apex ± flat; inner phyllaries ca. 1.3 cm. Ligules deep yellow; outer ligules ± flat, outside striped purplish or greenish; inner ligules with yellow teeth at apex; ligule tube pubescent. Stigmas greenish yellow, abaxially dark pubescent. Anthers polliniferous; pollen grains irregular in size. Achene grayish straw-colored brown, 3.9-4.1 × ca. 1.1 mm; body ± densely spinulose-squamulose above, ± abruptly narrowing into a subcylindric 0.8-0.9 mm cone; beak ca. 1 cm. Pappus ± white, 6-7 mm. Fl. late spring. Agamosperm.
Home