IUCN threat status:

Not evaluated

Morphology

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Description

Stem scales brown. Leaves 5--20 cm. Petiole black, 0.75--2 mm diam. Blade ovate, 3--4-pinnate proximally, leathery, abaxially covered by dense, white farina, adaxially glabrous; rachis rounded to slightly flattened adaxially. Pinna costae straight or nearly so, branches not arising from prominent angles. Ultimate segments articulate, dark color of stalks stopping abruptly at bases; segment margins plane, never concealing sporangia; veins obscure adaxially. Sporangia following secondary veins for most of length, containing 64 spores. 2 n = 54.

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Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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