Dennstaedtia spp.
Family: Dennstaedtiaceae
Dennstaedtia image
Plants terrestrial, often forming colonies. Stems subterranean, long- to short-creeping; hairs dark reddish brown, jointed. Leaves clustered or scattered, erect to arching, ovate to lanceolate to deltate, 0.4--3 m. Petiole glabrous to pubescent, usually without prickles, often with stem buds near base; vascular bundles 1--2, arranged in U- or O-shape in cross section. Blade 2--4-pinnate; rachis without prickles; nectaries absent. Segments pinnately divided, ultimate segments ovate to lanceolate, margins dentate or lobed. Veins free, pinnately branched. Sori marginal at vein tips, distinct, round or cylindric; indusia formed by fusion of true indusium and minute blade tooth to form circular or slightly 2-valvate cup. Spores tetrahedral-globose, trilete (rarely monolete), tuberculate or ridged. x = 34, 46, 47.
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Dennstaedtia
Image of Dennstaedtia obtusifolia
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Image of Dennstaedtia samoensis
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Image of Hypolepis bogotensis
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Image of Maxonia apiifolia
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