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

15. Parathelypteris caudata Ching ex K. H. Shing, Fl. Reipubl. Popularis Sin. 4(1): 320. 1999.

尾羽金星蕨 wei yu jin xing jue

Plants 50-80 cm tall. Rhizomes erect, thick and short. Fronds clustered; stipes 20-40 cm, bases nearly black and with grayish brown, spreading multicellular acicular hairs and few brown lanceolate scales, distally castaneous-brown, subglabrous or grooves with brownish acicular hairs; laminae oblong-lanceolate, 30-40 × 10-20 cm, slightly tapering to bases, pinnate-pinnatifid, acuminate and pinnatifid at apices; pinnae 20-25 pairs, alternate, spreading, sessile, proximal ones shortened, reflexed; largest pinna pair lanceolate, 4.5-9 × 1.2-2 cm, bases slightly tapering, rounded-truncate, symmetrical, pinnatifid and reaching narrow wing on both sides of costae, apices caudate or acuminate; segments 20-28 pairs, spreading, linear-lanceolate to rectangular, 5-9 × 2.5-3 mm, undulate-crenate or thickly serrate at margins, rounded or rounded-truncate at apices. Veins evident abaxially, lateral veins simple, 6-9 pairs per segment, proximal pair arising from base of or slightly above costules. Laminae papery or thickly herbaceous, when dry dark green, abaxially with reddish purple spherical glands, usually glabrous or along rachises, costae, and veins sparsely grayish brown pubescent; adaxially with appressed reddish brown hairs, rachises and costal grooves with grayish brown acicular hairs. Sori orbicular, medium-sized, dorsifixed at middle of veinlets, 5-7 pairs per segment; indusia large, orbicular-reniform, brown, thickly membranous, glabrous or occasionally shortly setaceous.

● Mossy forests or bamboo forests in subalpine areas on mountains; 1700-1900 m. Guangxi, S Yunnan, and E China (exact locality unknown).


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