dcsimg

Comprehensive Description

provided by North American Flora
Anemia jaliscana Maxon, sp. nov
Rhizome horizontal ; fronds several, clustered, the stipe of the fertile fronds usually surpassing the sterile fronds. Fertile fronds (including the elongate fertile pinnae) 15-32 cm. long; stipe 9-20 cm. long, slender, stramineous, glabrate or with a few long rusty hairs; lamina broadly deltoid-oblong, 4-10 cm. long, 2.5-6 cm. broad, pinnate, tapering gradually from the base, the apex obtuse, the rachis slender, greenishstramineous ; pinnae 5-7 pairs, contiguous, spreading, sessile, variable, obliquely and broadly oblong to rhombicovate, strongly inaequilateral at the base, long-cuneate, lightly and irregularly toothed to deeply lobed, or the lowermost exciso-cuneate at the base below, obtusely truncate above, sometimes pinnatifid at the base, the apex obtuse ; upper pinnae gradually narrower, cuneate, the uppermost sometimes greatly reduced and subconfluent, forming a deeply lobed terminal segment, or scarcely reduced, the terminal segment nearly conform, obovate, cuneate ; leaf-tissue membranous, dull-greenish and conspicuously short-hispid above, below much paler, minutely glandular, and with a few scattered hairs ; veins elevated above, immersed below ; margins thickened, irregularly dentate-crenulate ; fertile pinnae 8-14 cm. long, surpassing the sterile lamina, the stalk 2-4 times as long as the usually dense panicle ; spores sharply cristate, the ridges scabrous. Sterile fronds about one half as long as the fertile ; stipe and lamina about equal, otherwise similar to those of the fertile frond.
Type collected on cool grassy bluffs of barranca near Guadalajara, State of Jalisco, Mexico, September 15, 1891, Pringle 3850 (U. S. Nat. Herb. no. 50583).
Distribution : Known only from the State of Jalisco, Mexico ; apparently common.
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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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