城口瓶蕨 cheng kou ping jue

Trichomanes fargesii Christ, Bull. Soc. Bot. France 52(Mém. 1): 10. 1905; Crepidomanes fargesii (Christ) K. Iwatsuki.

Plants medium-sized, epiphytic. Rhizome ca. 0.5 mm in diam., smoke-colored, rootless, with sparse brown multicellular hairs, often with axillary hairy buds. Fronds alternate, closely spaced, spreading, subsessile; stipe very short, smoke-colored, sparsely hairy, narrowly winged. Rachis and costae smoke-colored, winged throughout. Lamina bipinnate to tripinnatifid, broadly lanceolate, 6-7 × 2.5-3 cm, membranous and semitransparent, glabrous; pinnae 15-18 pairs, closely spaced or slightly imbricate to neighboring ones, alternate, sessile, narrowly oblong, base unequally cuneate, apex subrounded; ultimate segments narrowly linear, ca. 0.5 mm wide, margin entire, apex rounded. Veins dichotomous, smoke-colored, obviously raised on each surface, with light brown hairs as rachis and costae. Sori on upper parts of frond, terminal on lower lobes of pinnae; involucres shortly funnel-shaped, ca. 1.5 × 1 mm, narrowly winged, truncate and slightly dilated at mouth; receptacles long projecting, black, ca. 3 mm, bent.

● On tree trunks or on rocks in forests; 1100-1800 m. Chongqing, Guizhou, Yunnan.