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

1. Calciphilopteris ludens (Wallich ex Hooker) Yesilyurt & H. Schneider, Phytotaxa. 7: 56. 2010.

戟叶黑心蕨 ji ye hei xin jue

Pteris ludens Wallich ex Hooker, Sp. Fil. 2: 210. 1858; Doryopteris ludens (Wallich ex Hooker) J. Smith; Litobrochia ludens (Wallich ex Hooker) Beddome; Pellaea ludens (Wallich ex Hooker) Prantl.

Rhizomes long creeping, ca. 4 mm in diam.; scales lanceolate to narrowly ovate, 2-3 mm, margins entire. Fronds mostly widely spaced. Stipe rounded, 10-35 cm (sterile) or 20-40 cm (fertile), sparsely scaly proximally, with sparse scales and hairs 1-2 mm distally, glabrescent with age. Lamina yellowish green to pale green abaxially, medium green adaxially, 10-25 cm, deeply cordate at base; sterile lamina coarsely divided, sagittate or hastate to pedately lobed (rarely smallest fronds unlobed); fertile lamina more finely divided, pedately lobed to pedate-pinnatifid or pedate-bipinnatifid with 3 or 4 pairs of primary lobes; basal pair largest, strongly produced basiscopically; ultimate lobes caudate. 2n = 232.

Limestone rocks by streams in forests; 400-1000 m. S Yunnan [Bangladesh, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam; Australia].


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