Anemia mexicana Klotzsch
Descripción
Rhizomes horizontal, creeping, ca. 2 mm diam.; rhizome hairs stiff, dark brown; fronds erect, (15–)30–60 cm long; stipes ca. 1⁄2 the frond length, ca. 1 mm diam., stramineous, glabrate; blades deltate-lanceolate, 1-pinnate, 9–18 cm wide, subcoriaceous; pinnae 5–9 pairs, lanceolate-deltate to narrowly deltate to rounded or cuneate at bases, often slightly excavate basiscopically, apices acuminate, margins minutely serrulate; veins free; blade surfaces hirsute with minute white hairs abaxially, adaxially glabrous, green or bluish green and iridescent; fertile pinnae remote from the sterile pinnae, surpassing or occasionally equal to the sterile blades; spores striate, ridges smooth, close.A
Elevación
70–1900 mA
Ecología y Hábitat
Lightly shaded limestone outcrops.A
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
Discusión taxonómica
Key to the Mexican Varieties of Anemia mexicana
Pinnae lanceolate-deltate, 1.8–3 cm wide; pinna bases truncate, green adaxially; n., c. and e. Mexico....................................................................................................... var. mexicana.
Pinnae narrowly deltate, 1–1.7 cm wide; pinna bases cuneate to rounded or truncate; blue-green adaxially................................................................................................var. makrinii.
A
Pinnae lanceolate-deltate, 1.8–3 cm wide; pinna bases truncate, green adaxially; n., c. and e. Mexico....................................................................................................... var. mexicana.
Pinnae narrowly deltate, 1–1.7 cm wide; pinna bases cuneate to rounded or truncate; blue-green adaxially................................................................................................var. makrinii.
A