1. Cortiella hookeri (C. B. Clarke) C. Norman, J. Bot. 75: 94. 1937.
栓果芹 shuan guo qin
Cortia hookeri C. B. Clarke in J. D. Hooker, Fl. Brit. India 2: 702. 1879; Schulzia hookeri (C. B. Clarke) M. Hiroe; Cortiella cauwetmarciana Farille & S. B. Malla; Cortiella glacialis Bonner; Pleurospermum glaciale (Bonner) M. Hiroe.
Leaf rachis and petioles fluted, densely fulvous puberulous; blade narrowly oblong, 2.5–7 × 0.8–2 cm, 2–3-pinnatisect; pinnae 4–5 pairs, sessile, puberulous; ultimate segments linear, 2–4 × 0.4–0.8 mm, margins narrowly revolute, apex acute. Umbellules 1–1.5 cm across; bracts several, foliaceous, 1–2-pinnatisect; rays 8–18, unequal, stout, pubescent; bracteoles ca. 10, linear or long-obovate, 8–12 × 0.5–1 mm, 3-lobed, lobules lanceolate. Petals white or pinkish white, occasionally purplish, ovate, apex acute, slightly incurved. Styles (1.5–)2–3.5 mm after flowering. Fruit oblong-globose, 3–6 × 3–5 mm, wings occasionally tinged dark purple; dorsal ribs wings broad, slightly narrower than lateral wings, often convoluted and crowded when mature. Fl. Aug, fr. Oct.
Grassy places in mountain valleys; ca. 4200 m. Xizang [Bhutan, Nepal, Sikkim].