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FNA | Family List | FNA Vol. 2 | Dryopteridaceae | Dryopteris

10. Dryopteris cinnamomea (Cavanilles) C. Christensen, Amer. Fern J. 1: 95. 1911.

Cinnamon wood fern

Tectaria cinnamomea Cavanilles, Descr. Pl., 252. 1802

Leaves monomorphic, green through winter, 22--50 × 6--12 cm. Petiole 1/4 length of leaf, scaly at least at base; scales scattered, cinnamon-colored. Blade light green, deltate-ovate, 3-pinnate-pinnatifid, herbaceous, not or sparsely glandular. Pinnae in plane of blade, narrowly deltate-lanceolate to deltate-oblong, narrowed to elongate, serrate tip; basal pinnae deltate-oblong, somewhat reduced, basal pinnules shorter than adjacent pinnules, basal basiscopic pinnule longer than basal acroscopic pinnule; pinnule margins serrate. Sori near sinus. Indusia lacking glands.

Rock outcrops; 400--2600 m; Ariz., Tex.; Mexico.

Dryopteris cinnamomea belongs to the D . patula complex of Mexico and Central America, which is poorly understood. Arizona material of D . cinnamomea has been misidentified as D . patula , according to J. T. Mickel and J. M. Beitel (1988).


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