Hemionanthes Mickel
Descripción
Rhizomes compact, horizontal; rhizome scales linear, bicolorous; stipes stramineous, mostly glabrous, 3-grooved, about half the length of the frond; blades lanceolate to deltate, pinnatepinnatifid, to bipinnate at bases; pinna lobes obtuse, basiscopically somewhat exaggerated; adaxial surfaces glabrous, abaxial surfaces with sparse straight jointed hairs, rachises with sparse, narrow, bicolorous scales; veins mostly free, with occasional anastomoses; sporangia on the abaxial surfaces of the blades, extending along the distal 1⁄4–1⁄2 the length of the veins; indusia absent, the blade margins not reflexed or modified; spores tetrahedral, crested; x=30.A
Distribución
México (país) EndémicoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The monospecific genus is intermediate between Cheilanthes and Hemionitis, combining characters of species of those genera, with intermediate dissection and soral disposition.A