Plants bluish-green with erect stems 20–60 cm tall from an extensively creeping rhizome; stems branched, sparsely hairy on upper half. Main branch systems frond-like, broadly ovate to lanceolate, acute or rarely flagelliform at the apex; secondary branches linear-lanceolate to lanceolate with 2–6 dichotomies; ultimate branchlets 0.5–1.5 cm long. Leaves heteromorphic; stem leaves ovate-lanceolate, 2–3 mm long, acuminate, finely serrate, ciliate at the cordate clasping base; median leaves of secondary branches similar, ± 3 mm long, with whitish arista at apex ± 1/4 as long as leaf; lateral leaves linear to linear-lanceolate, ± 4 mm long, 1 mm wide, acute at apex, adnate at base, the margins sinuous toothed, becoming ciliate at base. Strobili (0.5–)1–1.5 cm long at tips of ultimate branchlets; sporophylls uniform, broadly ovate, ± 2 mm long, 1.4 mm wide, acuminate and aristate at apex, margins toothed above, becoming ciliate near base. Megaspores of two sizes, either 200 µm or 300–375 µm in diameter, finely papillate to subverrucose with 3 radiate ridges; microspores 25–32 µm diameter, clavate-verrucose.