Coniogramme Fée

Coniogramme (en)

Genus

Pteridophytes > Polypodiales > Pteridaceae > Cryptogrammoideae

Characteristics

Plants terrestrial. Rhizomes decumbent or creeping, sparsely scaly; scales brown, lanceolate, margin entire. Fronds monomorphic, distant or closely spaced; stipe straw-colored or with brown spots, or chestnut-brown, glabrous distally, with a single U-shaped vascular bundle; lamina 1-or 2-imparipinnate, rarely trifoliate or 3-pinnate, sometimes entire in juvenile plants, usually herbaceous to papery, glabrous or with hairs on one or both surfaces. Pinnae usually ca. 5 pairs, stalked; in 1-pinnate species terminal pinna same as lateral pinnae; if 2-pinnate then only proximal pinnae imparipinnate or trifoliate (occasionally basal pair only bifurcate), and terminal pinna same as terminal pinnules of proximal pinnae. Pinnules (or distal simple pinnae) lanceolate or oblong-lanceolate, base rounded to cuneate, rarely cordate, margin entire or serrate. Veins free or rarely anastomosing near midrib, then free, vein tips enlarged forming hydathodes. Indusia absent. Sori along veins, intermixed with short, hairy paraphyses. Spores tetrahedral, plain. x = 30.
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Fronds pinnate or bipinnate
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