绵毛岩风 mian mao yan feng

Seseli eriocarpum (Schrenk) B. Fedtschenko.

Plants (20–)40–50 cm. Caudex simple, 3–7 mm thick. Stem solitary, dichotomously branched from base or in upper part, solid, finely grooved, glabrous. Leaf blade gray-green, oblong, 6–14 × 2–5 cm, 2-pinnate; pinnae shortly petiolulate; ultimate segments linear, 5–20 × 1–3 mm, margins narrowly revolute. Cauline leaves reduced, 3-lobed or undivided. Synflorescence paniculate; umbels 1–2(–3.5) cm across; bracts (2–)4–7, lanceolate or ovate, short, unequal, abaxially pubescent, margins scarious, bases fused together; rays (2–)4–8, 5–10 mm, densely pubescent; bracteoles 5–8, lanceolate, 0.3–1.5 mm, connate at base; umbellules 10–20-flowered, subcapitate, flowers sessile. Calyx teeth lanceolate. Petals white or pale yellow, abaxially pubescent. Styles usually purplish, more than 3 × stylopodium, divergent. Fruit oblong or oblong-ovate, dorsally compressed 5–6 (–10) × 3.5–4.5(–6) mm, densely lanate with gray hairs or sparsely pilose; lateral ribs winged, broader than the keeled dorsal ribs, slightly corky; vittae 1 in each furrow, 2 on commissure. Fl. and fr. Jul–Sep.

Mountain summits, dry stony and gravelly slopes, rock crevices; ca. 1600 m. Xinjiang [Kazakhstan, Mongolia].

Two of us (Pimenov & Kljuykov, FOC 14: 130. 2005) treat this as Seseli eriocarpum.