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

2. Coniogramme fraxinea (D. Don) Fée ex Diels in Engler & Prantl, Nat. Pflanzenfam. 1(4): 262. 1899.

全缘凤了蕨 quan yuan feng liao jue

Diplazium fraxineum D. Don, Prodr. Fl. Nepal. 12. 1825; Coniogramme caudata Ching; C. fraxinea f. connexa Ching; C. gigantea Ching; C. javanica (Blume) Fée; Gymnogramma fraxinea (D. Don) Beddome; G. javanica Blume; Neurogramma fraxinea (D. Don) Christ; Syngramma fraxinea (D. Don) Beddome.

Plants up to 2.5 m tall. Rhizomes stout, shortly creeping; scales dark brown, narrowly lanceolate. Fronds scattered; stipe straw-colored, 90-100 × 0.5-1 cm; lamina narrowly ovate or ovate-oblong, 80-150 × 40-50 cm, pinnate or sometimes 2-pinnate, papery, thin, both surfaces glabrous or sometimes with sparse short hairs abaxially. Pinnae 6-12 pairs; basal pair simple or pinnate, pinnules broadly lanceolate, broadly oblanceolate, or oblong-lanceolate, stalked, base cuneate to rounded, margin entire or occasionally undulate with narrow, colorless, membranous side, apex abruptly caudate. Veins distinct on both surfaces, 2-forked; hydathodes much enlarged, spindle-shaped, not extending to lamina margin. Sori extending to 2/3-4/5 of veins.

Evergreen forests; 800-2000 m. Taiwan, SE Xizang (Mêdog), Yunnan [India, Indonesia, Malaysia, Nepal, Pakistan, Philippines, Vietnam].


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