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

5. Pseudocyclosorus torrentis Ching ex Y. X. Lin, Fl. Reipubl. Popularis Sin. 4(1): 326. 1999.

急梳假毛蕨 ji shu jia mao jue

Plants 25-58 cm tall. Rhizomes erect. Fronds clustered; stipes 13-23 cm, stramineous, bases with brown scales, distally with acicular hairs abaxially. Laminae oblong-lanceolate, 10-15 × 7-10 cm, bases slightly tapering, proximal 2 or 3 pairs abruptly reduced to auricles, or tuberculate, pinnate-pinnatifid, apices pinnatifid-acuminate; lateral normal pinnae ca. 10 pairs; middle pinnae lanceolate, 4-6 × ca. 0.5 cm, bases broadened due to one pair of segments elongated, pinnatifid, pinnatifid-acuminate at apices; segments ca. 11 pairs, lanceolate, ca. 4 × 2.5 mm, entire, acute at apices. Laminae dark brown when dry, papery; abaxial sides of rachises with sparse setae on distal half, adaxial sides densely setaceous along grooves, abaxial sides of costae and veins glabrous; adaxial sides of costules with appressed short setae, glabrous on both veinlets and intercostal areas, with few short setae along margins. Veins evident, raised on both sides, veinlets 4 or 5 pairs per segment, basal basiscopic veinlet arising from above base of costules and reaching margins above sinuses, acroscopic veinlet arising from base of costules and reaching bottom of sinuses. Sori orbicular and attached on proximal parts of veinlets and close to main veins, 1-3 pairs per segment; indusia brown, thick, glabrous, persistent.

● 800-1500 m. Yunnan (on route from Yingjiang to Ruili).


 

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