Lycopodium henryi Baker, Bull. Misc. Inform. Kew 1906: 15. 1906; Huperzia henryi (Baker) Holub; Urostachys henryi (Baker) Herter.

Lycophytes, medium-sized. Stems caespitose, mature branches pendulous, 2 to several times forked, 18-72 cm, main stems ca. 5 mm in diam., stem together with leaves 2.3-3 cm wide. Trophophylls attached at right angles with stem or slightly angled upward, not lustrous, elliptic, ca. 1.3 cm × 3-4 mm, leathery, midrib distinct, base cuneate, decurrent, mature leaves inconspicuously stipitate, margin entire, apex acute. Strobili terminal on branches, slightly thinner than sterile part, not columniform. Sporophylls sparsely arranged, elliptic, 7-11 × ca. 1.2 mm, midrib distinct, base cuneate, margin entire, apex acute. Sporangia yellowish, reniform, vertically bisected.

The leaves of Phlegmariurus henryi are elliptic, attached at right angles with the stem, inconspicuously stipitate, and not lustrous.

Epiphytic on tree trunks in forests or in shrubs on mountain summits; 700-3100 m. Guangxi, Yunnan [N Vietnam].