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Streambank Flowering Fern

Anemia hirta (L.) Sw.

Comprehensive Description

provided by North American Flora
Anemia abscissa Schrad. Gott. Gel. Anz. 1824: 864. 1824
Anemia Breuteliana Presl, Abh. Bohm. Ges. Wiss. V. 4: 350, as to type (excl. syn. and plate
cited). 1845. Aneimidictyum hirtum Presl, Abh. Bohm. Ges. Wiss. V. 4 : 352, in part. 1845.
Rhizome ascending, stoutish ; fronds 3-6, fasciculate, mostly fertile, the stipe of the fertile fronds scarcely exceeding the sterile fronds. Fertile fronds 20-35 cm. long; stipe 13-21 cm. long, stoutish, dull-stramineous, canaliculate, densely rusty-villous ; lamina deltoid to broadly ovate-deltoid, 8-15 cm. long, 6-11 cm. broad, once-pinnate, acute, the rachis subfiexuous, clothed like the stipe ; pinnae 6-13 pairs, approximate or contiguous, spreading, the lowermost the largest, sometimes deflexed, shortp etiolate, strongly inequilateral at the base, widely exciso-cuneate below, truncate and rounded above, obliquely lanceolate, broadest above the middle (up to 2 cm.), acute, the margin minutely and irregularly crenulate, slightly thickened ; succeeding pinnae gradually smaller, short-petiolate, only the uppermost narrowly adnate, oblong-spatulate, finally confluent at the acuminate or subcaudate apex; leaf-tissue membrano-papyraceous, dull-greenish, paler below; veins prominent above, subimmersed below, pilose upon both surfaces but especially above ; fertile pinnae 8-17 cm. long, slightly surpassing the sterile lamina, the stalks about one-half longer than the close panicle, pilose ; spores striate-cristate, echinulate. Sterile fronds few, similar to the fertile, the lamina slightly larger.
Type locality : Near I^eogane, Haiti.
Distribution : Haiti, Porto Rico, St. Kitts, Guadeloupe, and Martinique ; also in South America?
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bibliographic citation
Lucien Marcus Underwood, Ralph Curtiss BenedictWilliam Ralph Maxon. 1909. OPHIOGLOSSALES-FILICALES; OPHIOGLOSSACEAE, MARATTIACEAE, OSMUNDACEAE, CERATOPTERIDACEAE, SCHIZAEACEAE, GLEICHENIACEAE, CYATHEACEAE (pars). North American flora. vol 16(1). New York Botanical Garden, New York, NY
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