大里白 da li bai

Gleichenia gigantea Wallich ex Hooker & Bauer, Gen. Fil. t. 39. 1840; Diplopterygium criticum (Ching & P. S. Chiu) Ching ex X. C. Zhang; D. simulans (Ching) Ching ex X. C. Zhang; D. yunnanense (Ching) Ching ex X. C. Zhang; Hicriopteris critica Ching & P. S. Chiu; H. gigantea (Wallich ex Hooker & Bauer) Ching; H. glaucoides Ching; H. omeiensis Ching & P. S. Chiu; H. reflexa Ching & P. S. Chiu; H. simulans Ching; H. yunnanensis Ching.

Plants 2-3 m tall. Rhizomes creeping, cylindrical, ca. 4 mm in diam., covered with rufous lanceolate scales. Fronds 2-pinnate; pinnae opposite, oblong, 90-120 × 27-40 cm, base slightly attenuate, apex acuminate; pinnules many, alternate or subopposite, pinnatifid, linear-lanceolate to lanceolate, 12-21 × 1.5-3.5 cm, base slightly attenuate, apex acuminate; lobes alternate, 30-50(-70) on each side, horizontally spreading, narrowly lanceolate to lanceolate, rarely linear, 10-15(-20) × 2.5-3.5 mm, apex obtuse; lamina papery, glaucous or gray-green abaxially, glabrous, costae and veins with sparse stellate hairs; costae plane or depressed adaxially; veins prominent on both surfaces. Sori with 3-5 sporangia.

Forest margins, mountain slopes, wet places; 800-2800 m. Hainan (Anding), Hubei (Lichuan), Sichuan (Emei Shan), Xizang (Zayü), Yunnan [Bhutan, India, Myanmar, Nepal].