狭腔芹 xia qiang qin

Plants (8–)15(–20) cm. Stem well developed, usually violet, 3–5-branched, with short stiff hairs. Basal leaves oblong, 3–7 × 1–2.5 cm, 2-pinnate; ultimate segments lanceolate, 3–5 × 1–2 mm. Terminal umbel 8–20 across; bracts 5–7, linear, with short hairs, margins broadly white-membranous; rays 9–28, unequal, 3–10 cm; bracteoles numerous, similar to bracts. Pedicels unequal, subglabrous. Calyx teeth ca. 0.5 mm. Fruit ovoid, 4–5 × ca. 3 mm, sometimes tinged purplish-red, glabrous or with sparse short hairs, ribs irregularly denticulate, denticles stiff-membranous. Fl. and fr. Jul–Aug.

Pebbly slopes, screes, glacial moraines. N Xinjiang (Manas, Toli, Urumqi) [Kazakhstan, Mongolia, Russia (Siberia)].

The Chinese record in FRPS (55(2): 230. 1985) of Stenocoelium athamantoides (Marschall von Bieberestein) Ledebour is referable to this species.