Read full entry


Stems short-creeping, usually 4--8 mm diam.; scales uniformly black or with narrow brown margins, linear-subulate, straight to slightly contorted, strongly appressed, persistent. Leaves clustered, 8--35 cm; vernation circinate. Petiole dark brown, flattened or slightly grooved distally on adaxial surface. Blade elongate-pentagonal, 3-pinnate-pinnatifid to 4-pinnate at base, 3--10 cm wide; rachis grooved adaxially, lacking scales, with monomorphic pubescence. Pinnae not articulate, dark color of stalk continuing into pinna base, basal pair larger than adjacent pair, strongly inequilateral, proximal basiscopic pinnules greatly enlarged, appearing glandular-pubescent adaxially. Costae green or straw-colored adaxially for most of length; abaxial scales absent. Ultimate segments linear-oblong, not especially beadlike, largest 3--8 mm, abaxially and adaxially glandular pubescent with short, sticky, capitate glands. False indusia marginal, weakly differentiated, 0.05--0.25 mm wide. Sori usually discontinuous, concentrated on apical and lateral lobes. Sporangia containing 32 spores.


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

Belongs to 0 communities

This taxon hasn't been featured in any communities yet.

Learn more about Communities


EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!