All Floras      Advanced Search
FOC Vol. 2-3 Page 226, 234 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 2-3 | Pteridaceae | Aleuritopteris

28. Aleuritopteris subvillosa (Hooker) Ching, Hong Kong Naturalist. 10: 203. 1941.

绒毛粉背蕨 rong mao fen bei jue

Rhizomes erect, short; scales concolorous or slightly bicolorous, brown, occasionally with lighter margins, sometimes slightly translucent, lanceolate. Fronds clustered. Stipe dark brown to black, lustrous, 10-15 cm, scaly at base or to midpoint of stipe; scales concolorous or bicolorous, light brown or brown with lighter margins, broadly ovate to ovate-lanceolate with filiform tips. Lamina oblong-lanceolate, 15-30 × 3-10 cm, pinnate-bipinnatifid, thinly herbaceous when dry, abaxially hairy along costae and costules, sometimes also with white farina abaxially, adaxially glabrous; pinnae 7-10 pairs, widely separated along rachis, basal pair of pinnae elliptic-triangular, 3-4 × 2-3 cm, sessile, bipinnatifid; pinnules 4 or 5 pairs, basal basiscopic segments longer than adjacent acroscopic ones, 1.5-2 cm × 7-10 mm, oblong, pinnatifid; second pair of pinnae triangular, slightly longer than basal pair; third and upper pairs gradually shortened distally. Veins pinnate, relatively conspicuous. Sori consisting of several sporangia, confluent at maturity. False indusia herbaceous, continuous or rarely discontinuous, margins undulate. 2n = 60, ca. 120.

Under shrubs or in rock crevices, usually on dry slopes; 2000-3900 m. Guizhou, Sichuan, Xizang, Yunnan [Bhutan, India, Myanmar, Nepal].

1 Lamina without farina abaxially, except sometimes on developing fronds.   28a var. subvillosa
+ Lamina with moderate to dense farina abaxially at maturity.   28b var. tibetica

Lower Taxa


Related Objects  

Photos by The Biodiversity of the Hengduan Mountains Project  
  • Image/JPEG (Susan L. Kelley)
  • Image/JPEG
  • Image/JPEG (Susan L. Kelley)
  • Image/JPEG
  • Image/JPEG (SUN Hang)
  • Image/JPEG

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |