Adiantum venustum
English: Evergreen maidenhair; Himalayan maidenhair.
India: black Hansraj.
Clades: Davidii; Adiantoideae; Pteridaceae.
Region: China, Himalayas.
Habitat: temperate regions; on moist rocks and soil; with a good amount of humus and dead leaves; very hardy, to -10°C; requires reliably moist conditions in full or partial shade.
Content: terpenoid, phytosterols, flavonoid, saponin.
Use: ornamental.
Botany
Fern; ± 20 cm tall, 90 cm wide; forms a slowly spreading mat.
Roots: rhizomatous.
Leaves: soft; green; triangular; with numerous fan-shaped segments; black stalks.