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FOC | Family List | FOC Vol. 2-3 | Dennstaedtiaceae | Microlepia

1. Microlepia hookeriana (Wallich ex Hooker) C. Presl, Epimel. Bot. 95. 1851.

虎克鳞盖蕨 hu ke lin gai jue

Davallia hookeriana Wallich ex Hooker, Sp. Fil. 1: 172. 1845; D. phanerophlebia Baker; Microlepia hookeriana var. marginalis (Copeland) Tagawa; M. paucipinnata B. S. Wang; M. phanerophlebia (Baker) C. Christensen; Nephrolepis marginalis Copeland; Saccoloma hookerianum (Wallich ex Hooker) Fée; Scypholepia hookeriana (Wallich ex Hooker) J. Smith.

Plants terrestrial, ca. 80 cm tall. Rhizome long and creeping, 3.5-5 mm in diam., with dense long red-brown or brown hairs. Fronds remote, 1-2[-5] cm apart; stipe brown-straw-colored, [10-]20-30 cm, ca. 2.5 mm in diam., densely gray-brown villous; rachis and stalks with same hairs; lamina green when dried abaxially, black-green adaxially, 1-pinnate, broadly lanceolate to narrowly oblong in outline, 40-50 × 11-15 cm, base ± narrowed, apex long caudate; pinnae 20-40 pairs, opposite or alternate, basally 3-4 cm apart, shortly stalked to distally sessile, lower pinnae smaller, slightly reflexed; middle pinnae linear-lanceolate or falcate, 6-12 × 1-1.5 cm, herbaceous, abaxially grayish villous on veins, adaxially densely softly brown hairy on lobule midribs, each vein with sparse long hairs, base rounded-cuneate or asymmetrically hastate, both sides somewhat auriculate, acroscopic lobe larger, margin undulate-denticulate, distally serrate, often crispate, apex acuminate; terminal pinna to 15 cm, similar to lateral pinnae but symmetrical, often subhastate. Veins obliquely arising from costa, dichotomous, with 1 veinlet per tooth. Sori terminal on slender veinlet, arranged in a line near margin; indusium becoming brown when old, hemitelioid, as long as wide or slightly wider, glabrous, persistent.

Forests, damp places; below 100-1100 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Taiwan, Yunnan, Zhejiang [Borneo, N India, Indonesia, Japan (Ryukyu Islands), Malaysia, Nepal, Vietnam].

The name Microlepia hookeriana was first introduced by Wallich (Numer. List, no. 2684. 1831).


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