椭圆叶马尾杉 tuo yuan ye ma wei shan

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.

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

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