广东马尾杉 guang dong ma wei shan

Huperzia guangdongensis (Ching) Holub.

Lycophytes, medium-sized. Stems caespitose, erect, or slightly pendulous, 1-3 times dichotomously branched, 23-36 cm, main stems ca. 4 mm in diam., stem together with leaves flat or nearly flat, not cordlike. Leaves conspicuously dimorphic. Trophophylls obliquely spreading, not lustrous, broadly lanceolate, 6-9 × ca. 4 mm, leathery, abaxially flat, midrib distinct, base cuneate, decurrent, sessile, margin entire, apex acuminate. Strobili terminal on branches, linear, 8-14 cm. Sporophylls sparsely arranged, ovate, ca. 1.2 × 0.8 mm, midrib distinct, margin entire, apex acute. Sporangia yellowish, reniform, vertically bisected.

● Epiphytic on tree trunks or rocky cliffs in forests; 400-1000 m. Guangdong, Hainan.

The trophophylls of Phlegmariurus guangdongensis are broadly lanceolate, cuneate at base, and sessile.