Selaginella corrugis Mickel & Beitel
Descripción
Stems prostrate, stramineous to pale green, 4–10 cm long, ca. 0.3 mm diam., not articulate, not flagelliform, not stoloniferous, 2–3 times branched; rhizophores borne throughout stem length, filiform, ca. 0.1 mm diam.; leaves of two kinds (anisophyllous) throughout stem length; leaves verruculose above, with prominent midribs; lateral leaves broadly ovate, ca. 1 mm long, bases rounded, margins denticulate, apices obtuse; median leaves ovate, with a narrow white border, midribs prominent and raised, bases exauriculate, margins ciliate-denticulate, apices short-cuspidate; axillary leaves elliptical, exauriculate, margins ciliate-denticulate, apices obtuse; strobili quadrangular, 3–7 mm long; sporophylls monomorphic and of two colors, dorsal rows green, ventral rows colorless, ascending; megasporangia several at base of ventral rows; microsporangia in dorsal two rows and distally in ventral rows; megaspores grayish white, with low reticulum, 210–260 µm diam.; microspores dull orange, with thin capitate papillae.A
Forma de vida
TerrestreA
Ejemplar revisado
Known in Mexico only from the type collection: Oax (Mickel 1043, NY).A
Elevación
1150 mA
Ecología y Hábitat
On rock cliffs.A
Tipo de vegetación
Selva altaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Selaginella corrugis is distinct in its very small leaves with verruculose leaf surfaces, ciliate-denticulate margins, and cuspidate median leaves. Selaginella flexuosa has larger leaves with long aristae and white denticulate margins proximally. Selaginella subrugosa has intermediate-sized leaves with short aristae and white minutely denticulate margins. The complex needs further study.A