细叶隐棱芹 xi ye yin leng qin

Pimpinella capillifolia Regel & Schmalhausen, Izv. Imp. Obshch. Lyubit. Estestv. Moskovsk. Univ. 34: 29. 1881.

Plant 7–12(–30) cm, glabrous. Stem sometimes purplish-red in lower parts. Lower leaves shortly petiolate, petioles 3–12 mm; blade 2–3 × 1–2 cm, 2-pinnate or 2-ternate; ultimate segments filiform, linear or narrow-lanceolate, 5–10(–25) × 0.5–1(–2) mm, apex acute. Umbels 1.5–2.5 cm across; bracts absent or rarely 1, lanceolate, ca. 1.2 mm, membranous; rays 3–8, 9–16 mm, slender, divergent; bracteoles 4–6(–7), lanceolate or linear-lanceolate, 1–1.5 mm, shorter than flowers, margins broadly scarious, sometimes ciliate; umbellules 4–8 mm across; pedicels 7–12, 1.5–5 mm, longer in fruit. Petals ca. 1 × 0.7 mm. Fruit broadly ovoid, 1.2–1.5 × 0.8–1.1 mm; bristles 0.2–0.3 mm. Fl. Apr–Jun, fr. May–Jun.

Mountain slopes, sandy deserts; 1400–2500 m. W Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan].