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Chinese Plant Names | Family List | Apiaceae | Acronema

Acronema commutatum Wolff

多变丝瓣芹

Description from Flora of China

Plants 16–60 cm. Root tuberous, globose, 2–10 mm across. Stem slender, thinly ribbed. Basal leaves petiolate, petioles 2.5–5 cm, sheaths short, narrow; blade broad-triangular, 3–5 × 3–6 cm, 2-pinnate; pinnae 2–3 pairs, proximal pinnae short-petiolulate; ultimate segments broad-ovate to obovate, 5–12 × ca. 6 mm, apex 3-lobed or sparsely obtuse-serrate. Leaflets of the upper leaves linear. Umbels 5.5–7.5 cm across; peduncles 2.5–7 cm; bracts and bracteoles absent; rays 2–6, 1–3(–4.5) cm, unequal; umbellules 4–20 mm across, 2–5-flowered; pedicels 4–10 mm, slender, unequal. Calyx teeth obsolete. Petals purplish-red, narrow-lanceolate, ca. 4 × 0.2–0.3 mm; apex linear, ca. 2 mm, finely papillate or glabrous. Fruit broad-ovoid, ca. 2 × 2 mm, base rounded or slightly cordate; ribs filiform; vittae 3 in each furrow, 4–6 on commissure. Fl. Aug, fr. Sep–Oct.

Forests; 2700–3500 m. SW Sichuan, SE Xizang, NW Yunnan.


 

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