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

6. Anogramma Link, Fil. Spec. 137. 1841.

翠蕨属 cui jue shu

Authors: Zhang Gangmin & Tom A. Ranker

Plants annual, small, terrestrial or on rocks. Rhizomes short, poorly developed, sparsely scaly; scales small, fibrous. Fronds many, monomorphic, tufted; stipe chestnut-colored or chestnut-brown, slender, rounded abaxially, grooved adaxially, glabrous; lamina ovate, ovate-deltoid to ovate-lanceolate, or lanceolate, 1-3-pinnate, thinly herbaceous or submembranous, both surfaces usually glabrous. Ultimate pinnules or segments small, ovate-elliptic, spatulate, or obovate, margin entire, or shallowly lobed at apex. Veins free, forked, 1 veinlet per segment, far from frond margins. Indusia absent. Sori borne along veinlets, paraphyses absent. Spores tetrahedral, somewhat ridged on surface. Gametophytes still alive for a long time after sporophytes are produced. x = 29, 58.

About six species: worldwide tropics, subtropics, and Mediterranean region and Europe along Atlantic Ocean; two species in China.


1 Ultimate pinnules or segments obovate or obdeltoid (pinnae fan-shaped when lamina pinnate), apex shallowly lobed.   1 A. leptophylla
+ Ultimate pinnules or segments elliptic or spatulate, apex obtuse or mucronulate.   2 A. microphylla

Lower Taxa


 

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