Stolons borne on ground, slender and creeping, 2 or 3 times forked, green, with sparse leaves; lateral branches erect, up to 40 cm tall, multiple times dichotomous, sparse, flattened (young branches terete), stem together with leaves 5-10 mm in diam. Leaves spirally arranged, dense, angled upward, lanceolate or linear-lanceolate, 4-8 × 0.3-0.6 mm, herbaceous, with transparent hairs, midrib indistinct, base cuneate, decurrent, sessile, margin entire, apex acuminate. Strobili (3 or)4-8 together on a peduncle, bracts of peduncle spirally arranged, sparse, thinly herbaceous, leaflike; strobili bearing different lengths of pedicels, erect, terete, 2-8 cm × 5-6 mm, pedicels 1-5 cm; sporophyll broadly ovate, 2.5-3.5 × ca. 2 mm, thinly leathery or papery, erose, with only narrow transparent membranous erose margin, apex acute, with long aristate tip. Sporangia slightly exposed.
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