Stems profusely branched distally to proximally, 7--22 cm ´ 0.2--1 mm; internodes 0.2--4 cm, without prickles. Leaves usually recurved with age, 0.8--2.6 cm, lax stiff in age; sheath 1--1.3 mm wide, apex round to slightly auriculate; blade 0.1--0.7 mm wide, margins conspicuously serrulate, teeth 5--9 per side, apex acute, with 1 tooth, teeth multicellular; midvein without prickles abaxially. Flowers 1 per axil, staminate and pistillate on same plants. Staminate flowers in distal axils, 2--3 mm; involucral beaks 4-lobed, 0.4--0.6 mm; anthers 4-loculed, 1.5--2 mm. Pistillate flowers in proximal axils, to 2.5 mm; styles less than 0.4 mm; stigmas 4-lobed. Seeds strongly recurved, greenish brown, fusiform, 2.5--3 ´ 0.5--0.7 mm, apex with style situated at centeral; testa dull, 3 cell layers thick, pitted; aeroleareoles regularly arranged in ca. 20 longitudinal rows, not ladderlike, 4-angled, longer than broad, end walls raised. Chromosome number unknown not available.
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