Selaginella pallescens (C.Presl) Spring
Descripción
Stems erect or rosette-forming, caespitose, glabrous, lustrous, whitish, 4–25 cm tall, ca. 1 mm diam., angled when dry, not articulate, not flagelliform, not stoloniferous, 2–3 times branched; rhizophores limited to stem bases; leaves on main stems monomorphic, tan, ovate, bases with two long, almost overlapping auricles, margins long-ciliate, apices cuspidate, of two kinds (anisophyllous) above first branch; lateral leaves ovate, 1–2 mm long, bases rounded to cordate, margins long- to shortciliate, lustrous, old leaves light tan, apices aristate; median leaves ovate, bases with a single short auricle, margins short-ciliate with a broad white border, apices aristate, aristae 0.3–0.5 mm; axillary leaves lanceolate, exauriculate, long-ciliate at bases to shortciliate; strobili quadrangular, 3–6 mm long; sporophylls monomorphic; megasporangia basal or subbasal; microsporangia in distal portions of strobili; megaspores white or cream to light yellow, with ridges very low and anastomosing, 387–448 µm diam.; microspores bright orange to scarlet, capitate-papillate, usually shed singly but sometimes in tetrads.A
Forma de vida
Epipétrica, TerrestreA
Ejemplar revisado
BCS (Carter et al. 2335, DS, UC). Chih (Knobloch 553, UC). Chis (King 2755, UC). Coah (Arsène 3453, MEXU). Col (Orcutt 4617, NY p.p.). DF (Matuda 22002, UC). Dgo (Palmer 886, NY, UC). Gro (Hinton et al. 10282, LL). Gto (Morley 652, UC). Jal (Pringle 2592, UC). Méx (Tejero-Díez 2319, IZTA). Mich (Zúniga G. 18290, UC). Mor (Harris 23, UC). Nay (Mexia 653, UC). NL (Pringle 1979, UC). Oax (Hellwig 1310, LL, NY). Pue (Arsène 7084, MEXU). Sin (Mexia 221, UC). Son (Pennell 19513, PH). Tam (Bartlett 10099, DS). Ver (Purpus 8925, UC). Zac (Breedlove 63225, CAS).
Unverified, Doubtful, or Mistaken Reports. Ags (De la Cerda & García 1232, HUAA, and 16 other collections, cited by Siqueiros-Delgado & González-Adame, 2004, but not verified). Qro (Fernández 3385, 3440, 3463, ENCB, and Rzedowski 44092, 46449, QMEX, all cited by Arreguín et al., 2001, but not verified).
A
Unverified, Doubtful, or Mistaken Reports. Ags (De la Cerda & García 1232, HUAA, and 16 other collections, cited by Siqueiros-Delgado & González-Adame, 2004, but not verified). Qro (Fernández 3385, 3440, 3463, ENCB, and Rzedowski 44092, 46449, QMEX, all cited by Arreguín et al., 2001, but not verified).
A
Elevación
50 – 2700 mA
Tipo de vegetación
Selva alta, Bosque de neblina/mesófilo, Bosque de pino-encinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
This species exhibits extreme variation in habit and habitat, from caespitose to erect. See S. harrisii, S. polyptera, and S. pulcherrima for comparison with those species.A