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FOC | Family List | FOC Vol. 14 | Apiaceae | Pleurospermum

23. Pleurospermum amabile Craib & W. W. Smith, Trans. Bot. Soc. Edinburgh. 26: 154. 1913.

美丽棱子芹 mei li leng zi qin

Pleurospermum amabile

Credit: Harvard University Herbaria

Hymenidium amabile (Craib & W. W. Smith) Pimenov & Kljuykov.

Plants 15–50 cm high. Root stout, dark brown, 1–1.5 cm across. Stem solitary, stout 1–2 cm broad, violet-green, unbranched. Basal petioles 3–6 cm, sheaths broad-ovate, 2–3 cm across; blades triangular-ovate, 6–15 cm, 3–4-ternate-pinnate; ultimate segments linear, 1–2 mm. Stem leaves gradually reduced upwards, sheaths greatly expanded, 3–5 cm broad, very pale almost white, nerves tinged purple, membranous, margins erose. Umbel 5–12 cm across, usually solitary; peduncles 2.5–4 cm; bracts 3–8, 3–5 cm, similar to upper leaves; rays 20–30, 2–4 cm, subequal; bracteoles ca. 12, oblong or oblanceolate, 6–10 × 4–8 mm, membranous, silvery white, main veins dark purple; pedicels 20–25, ca. 5 mm. Calyx teeth obsolete. Petals obcordate, white to dark purple, 1–1.5 mm. Anthers dark purple. Stylopodium depressed, purple-black; style yellow-green. Fruit ovoid-oblong, 3–5 × ca. 1.5 mm; ribs very narrowly sinuolate-winged; vittae 3 in each furrow, 4–6 on commissure. Fl. Jul–Sep, fr. Sep–Oct.

Open scrub, high-altitude alpine turf, semi-stable screes; (3000–) 4000–5100 m. SE Xizang, NW Yunnan [Bhutan, Sikkim].

The plants are used in traditional medicine in Xizang.


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