Stems to 2.5[-7] cm, sclerodermis present. Leaves ovate, ligulate, elliptic or short-lanceolate, (0.3-)1-2(-2.5) mm, entire; leaf base usually not differentiated in shape but occasionally widened and ovate; costa ending 1-3 cells before the leaf apex (blunt-leaved plants) or percurrent or short-excurrent as a stout mucro, rounded to semicircular in section at mid leaf, guide cells 2-4; distal laminal cells usually subquadrate, occasionally triangular or transversely elongated, 1:1-2; often 2-stratose marginally or in patches medially.
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