Cheilanthes bolborrhiza Mickel & Beitel
Descripción
Rhizomes short, compact, horizontal, 3–5 mm diam.; rhizome scales linear-lanceolate, orange-tan, dull, concolorous, 4 mm long, entire; root bases swollen (2–4 X 1–2 mm wide), black, filled with starchy storage material; fronds to 90 cm long, clumped; stipes 1⁄3–1⁄2 the frond length, stramineous, castaneous only at very base, lustrous, glabrous, grooved; blades broadly deltate, 3–4-pinnate-pinnatifid, basal pinnae opposite to subopposite, rachis grooves running into pinna grooves, costae and blade rachises with green stripes on upper surfaces, costae winged, proximal pinnae exaggerated basiscopically; ultimate segments elliptic to lanceolate, thin, glabrous; veins evident; sori marginal, indusia lateral on segments (not at tips or in sinuses), 0.5 mm wide, margins entire, surfaces with whitened, modified cells; spores gray-brown.A
Ejemplar revisado
Jal (Breedlove 64102, CAS, UC; Ruelas 16221, UC). Méx (Tejero-Díez 2952, IZTA). Mor (Lyonnet 2575, IEB, MEXU; Riba 1667, IEB, 1913, MEXU; Sandoval 9, NY). Oax (only the type).
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Elevación
900 – 1900 mA
Ecología y Hábitat
Moist, tropical wooded stream banks, and steep slopes.A
Tipo de vegetación
Bosque de pino-encinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Cheilanthes bolborrhiza may be related to C. skinneri but differs in its more delicate appearance, thinner texture, concolorous rhizome scales, indusia ± continuous, gray-brown spores, and unique root storage organs. It may represent a distinct group within Cheilanthes.
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