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FOC | Family List | FOC Vol. 2-3 | Pteridaceae | Pteris

5. Pteris crassiuscula Ching & Chu H. Wang, Acta Phytotax. Sin. 8: 142. 1959.

厚叶凤尾蕨 hou ye feng wei jue

Plants ca. 50 cm tall. Rhizome erect, short, ca. 1 mm in diam., apex with brownish black scales. Fronds dimorphic. Sterile fronds: stipe straw-colored, light brown, or castaneous-brown, slightly lustrous, 10-25 cm × 1-2 mm, glabrous; lamina 3-pinnulate, terminal pinna lanceolate, 20-25 × 2.5-3 cm, basally narrowly cuneate, somewhat decurrent, shortly stalked (1-5 mm), margin cartilaginous and slightly serrate, apex acuminate and serrate; lateral pinnae as terminal pinnae but shorter and sessile. Fertile fronds: stipe up to 45 cm; lamina oblong, 25-30 cm, 1-pinnate; pinnae 2 pairs per frond, subsessile, decumbent, ca. 5 cm apart, narrowly linear, 20-25 cm × ca. 5 mm. Lamina pale green or brown-green, leathery when dried, firm, both surfaces glabrous; midvein straw-colored or castaneous-brown, abaxially convex, veins conspicuous, simple or 2-forked from base.

● Forests along valleys; ca. 700 m. Hainan (Baoting, Diaoluo Shan).


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