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

9. Coniogramme procera Fée, Mem. Soc. Sci. Nat. Strasbourg. 6(1): 22. 1865.

直角凤了蕨 zhi jiao feng liao jue

Coniogramme parvipinnula Hayata.

Plants up to 1.8 m tall. Stipe grayish brown proximally, straw-colored distally, 60-90 × 0.5-1 cm; lamina abaxially grayish green, adaxially brownish green, narrowly ovate or ovate-oblong, 60-100 × 40-60 cm, 2-pinnate (sometimes 3-pinnate), papery when dry, both surfaces glabrous; rachis straw-colored or abaxially purple. Pinnae 10-15 pairs; proximal pairs oblong-lanceolate, 30-50 × 15-30 cm, with stalks 2-3 cm, pinnate or sometimes 2-pinnate; pinnules 10-13 pairs, at ca. 90º to costae, proximal pinnules lanceolate, 8-12 × 2-2.5 cm, base rounded-truncate or truncate (sometimes slightly cordate), apex caudate or acuminate; distal pinnules gradually reduced; terminal pinnule larger than adjacent pinnules, base unequal. Supramedial pinnae smaller, with few pairs of pinnules. Distal pinnae simple, margins serrate, teeth broad, slightly ascending. Hydathodes slender, extending into teeth or only to base of teeth. Sori extending to 1/2-2/3 of veins.

Streamsides in woodlands; 1400-3600 m. Taiwan (Jiayi), S Xizang, NW Yunnan [Bhutan, India, Myanmar, Nepal, Thailand, Vietnam].


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