15. Phlegmariurus ovatifolius (Ching) W. M. Chu ex H. S. Kung & Li Bing Zhang, Acta Phytotax. Sin. 37: 52. 1999.
卵叶马尾杉 luan ye ma wei shan
Huperzia ovatifolia Ching, Acta Bot. Yunnan. 3: 298. 1981.
Lycophytes, medium-sized. Stems caespitose, mature branches pendulous, 2 to several times forked, 18-72 cm, main stems ca. 4 mm in diam., stem together with leaves 2.5-3.5 cm wide. Trophophylls attached at right angles with stem or slightly angled upward, ovate, leaves at middle part ca. 7 mm × 5 mm, base cordate, mature leaves shortly stipitate, lustrous, leathery, midrib distinct, margin entire, apex acute. Strobili terminal on branches, slightly thinner than sterile part, not columniform. Sporophylls sparsely arranged, ovate, ca. 5 × 3 mm, midrib distinct, base subcordate, margin entire, apex acute. Sporangia yellowish, reniform, vertically bisected.
● Epiphytic on rocks in forests; ca. 500 m. S Yunnan (Jinping, Ximeng, Zhenkang).
The leaves of Phlegmariurus ovatifolius are ovate, which is unique in the genus.