密毛大瓣芹 mi mao da ban qin

Platytaenia pimpinelloides Nevski, Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 1, Fl. Sist. Vyssh. Rast. 4: 271. 1937; Neoplatytaenia pimpinelloides (Nevski) Geldikhanov; Zosima pimpinelloides (Nevski) M. Hiroe.

Plants small, 25–40 cm tall. Taproot ca. 1 cm across. Stems 1–2, branched from base, pubescent. Basal leaves rosulate, pinnate; pinnae 3–4 pairs, pinnatifid, ovate-oblong, 5–8 × 3–4 mm, both surfaces densely pubescent, olivaceous; petiole short. Cauline leaves similar to basal, reduced upward. Umbels terminal, 2–5 cm across; bracts 4–6, lanceolate, densely villose, with membranous margins; rays 5–10, subequal, 1.5–2 cm, pubescent; bracteoles similar to the bracts, shorter than pedicels. Calyx teeth minute. Petals pale yellow. Fruit ovoid, 5–7 × 3–5 mm, puberulent; all ribs raised, undulate, narrowly winged; vittae reaching to the base of mericarp. Seed face slightly concave. Fl. and fr. Jul–Aug.

Arid pebbly slopes in alpine zone; 2600–3100 m. SW Xinjiang (Wuqia) [Kazakhstan].