Herbs, perennial, ca. 40 cm tall, with short rhizomes; stems unbranched, striate, conspicuously pubescent below capitula. Basal leaves: petiole short, dilated basally; leaf blade oblanceolate-oblong, 4-6 × 0.8-1.5 cm, pinnatisect to 2-pinnatisect, both surfaces glabrous or very sparsely pubescent; ultimate segments linear, sessile. Distal stem leaves linear, entire. Capitula solitary, terminal, homogamous, discoid; peduncle to 10 cm. Involucres hemispheric, ca. 1 cm in diam.; phyllaries in 4 rows, abaxially glabrous or sparsely pubescent, scarious margin dark brown, outer and middle phyllaries lanceolate to oblong-lanceolate, ca. 4 mm, inner ones spatulate-oblanceolate, ca. 3.5 mm. Ray florets absent. Disk florets yellow, 5-lobed, lobes each with a resin sac. Achenes pale brown, 3-angled, ca. 2 mm, smooth, with 1 adaxial and 2 lateral thick whitish ribs, sometimes 1 or 2 thin abaxial ribs, abaxially and apically with 2 distinct resin sacs. Corona ca. 0.2 mm, 3-lobed.
Home