假芒萁 jia mang qi

Mertensia truncata Willdenow, Kongl. Vetensk. Acad. Nya Handl. 25: 169. 1804; Gleichenia laevigata (Willdenow) Hooker; G. truncata (Willdenow) Sprengel; M. laevigata Willdenow; Sticherus laevigatus (Willdenow) C. Presl.

Plants 1-2 m tall. Rhizomes long creeping, covered with peltate scales. Stipe sprawling or scandent, 0.8-1.6 m; lamina several times dichotomously branched, all but basal axes pinnulelike with 2 rows of lobes; apical buds covered with brown ciliate scales and 2-pinnate bracts; ultimate pinnae deeply pectinately pinnatifid, broadly lanceolate, 12-18 × 2.5-5 cm; lobes horizontally spreading, opposite, 10-30 × 2-3 mm, base expanded, margin entire, apex obtuse or emarginate; lamina papery, with sparse brown stellate hairs and scales when young, glabrescent; costa prominent on both surfaces. Sori with 4 or 5 sporangia.

Hainan, SE Yunnan (Hekou, Jinping) [Cambodia, Malaysia, Sri Lanka, Thailand, Vietnam].