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FOC | Family List | FOC Vol. 2-3 | Polypodiaceae | Selliguea

23. Selliguea cruciformis (Ching) Fraser-Jenkins, Taxon. Revis. Indian Subcontinental Pteridophytes. 46. 2008.

十字假瘤蕨 shi zi jia liu jue

Polypodium cruciforme Ching, Sinensia 1: 47. 1930; Crypsinus cruciformis (Ching) Tagawa; Phymatodes cruciformis (Ching) Ching; Phymatopsis cruciformis (Ching) Ching; Phymatopteris cruciformis (Ching) Pichi Sermolli.

Rhizome 2-3 mm in diam., densely scaly throughout; scales light brown or glaucous, lanceolate, ca. 4 × 1 mm, margin entire or subentire, apex acuminate, long subulate. Fronds monomorphic. Stipe straw-colored, 2-5 cm, scaly at base, glabrous upward; lamina 3 or 5(-7)-lobed, ca. 10 × 7.5 cm, base cuneate, margin minutely notched between veins, apex obtuse; basal lobes spreading, other lateral lobes slightly smaller and ascending, subdeltoid, gradually narrowed from base to acute apex; terminal lobe large, up to 8 × 2 cm, apex rounded. Costa and lateral veins raised on both surfaces, veinlets hardly visible. Lamina papery, both surfaces glabrous, abaxial surface glaucous. Sori orbicular, in single row distal on lobes, slightly nearer to margin, sunken on abaxial surface and raised on adaxial surface.

Epiphytic on tree trunks in evergreen broad-leaved forests on hill tops. Guangdong (Longtoushan) [N Vietnam].


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