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FOC | Family List | FOC Vol. 2-3 | Thelypteridaceae | Pseudophegopteris

2. Pseudophegopteris brevipes Ching & S. K. Wu, Fl. Xizang. 1: 163. 1983.

短柄紫柄蕨 duan bing zi bing jue

Plants 50-60 cm tall. Rhizome long creeping, including base of stipe with sparse whitish long hairs and reddish brown scales; scales ovate-lanceolate, thinly membranous, apices hairlike, hairy on back and margins. Fronds remote; stipe stramineous, 8-20 cm, with sparse whitish acicular and a few stellate hairs, hairs denser in grooves adaxially; lamina 40-45 × 12-16 cm, gradually tapering to base, pinnate-pinnatifid, pinnatifid and acuminate at apex; pinnae ca. 20 pairs, opposite or subopposite, spreading, sessile, proximal 2 pairs of pinnae slightly shortened, basal pair shortest, ovate-lanceolate, 3.5-5 cm, above ones lanceolate, 6-8 × ca. 2 cm, bases widest and ± symmetrical, truncate, pinnatisect nearly to costae, apices acuminate and entire; segments to ca. 12 pairs, approximate, spreading, oblong, 8-9 × ca. 4.5 mm, hairy along margins, obtuse at apices. Veins slender, visible adaxially, lateral veins forked, 4 or 5 pairs per segment, basal pair arising from above bases of costae. Laminae thinly herbaceous, drying deep green or dark brown-green, with sparse whitish hairs, hairs denser along costae and veins and mixed with a few irregularly forked stellate hairs, adaxial surfaces with sparse acicular hairs along costae, rachises stramineous, sparsely hairy. Sori oblong, 2-4 pairs per segment, borne near ends of forked veinlets and close to margins. Sporangia each with hairs below annulus.

● In rock crevices in valleys; ca. 2300 m. SE Xizang (Zayü).


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