Stems 5–25 cm, evergreen or seasonally green, erect, with elongate tuber at base. Rhizophores restricted to base of stem or borne in lower part. Main stems branched from near base or from lower part upward, in basal part main stem 0.5–1 mm in diam. Stems stramineous, terete or subquadrangular, primary leafy branches 6–12 pairs, forked or once or twice pinnately branched, branchlets sparse. Axillary leaves asymmetrical, narrowly ovate or narrowly elliptic, 2–3 × 1–1.4 mm, base exauriculate, in base margin ciliolate, apex blunt-acute. Ventral leaves asymmetrical, ovate-lanceolate, 1.4–2 × 0.8–1.4 mm, leaves on branches slightly ascending or spreading, margin sparsely minutely denticulate or ciliolate at base, apex acute. Dorsal leaves asymmetrical, narrowly ovate, 0.6–1 × 0.3–0.5 mm, base subcordate or obliquely cordate, carinate or not carinate, in basal part margin denticulate or ciliolate, apex acuminate or aristate. Strobili solitary, terminal, compact, 3–5 × 1–1.5 mm. Sporophylls slightly or strongly dimorphic, ventral sporophylls ovate, margin denticulate; dorsal sporophylls with sporophyll-pteryx incomplete and ciliolate, margin ciliolate. Megaspores yellowish, surface verrucate; microspores orange, surface verrucate.
Habitat: On clay soil or on damp shaded banks in forest. Alt. 1400–2900 m.
Citation: Shalimov AP, Wu Y-D, Zhang X-C (2019) A taxonomic revision of the genus Selaginella (Selaginellaceae) from Nepal. PhytoKeys 133: 1-76. https://doi.org/10.3897/phytokeys.133.37773
