All Floras      Advanced Search
FOC Vol. 2-3 Page 649, 652 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae | Polystichum

62. Polystichum taizhongense H. S. Kung, Acta Phytotax. Sin. 35: 461. 1997.

台中耳蕨 tai zhong er jue

Plants summer-green. Rhizome unknown. Fronds 10-15 cm; stipe stramineous with brown base, 3-5 cm, 1-2 mm in diam. at base, densely covered with narrowly lanceolate and linear yellowish brown scales, mixed with narrowly ovate brown scales at stipe base. Lamina bipinnatipartite, linear-lanceolate, 8-12 × 1.6-2.5 cm, slightly contracted at base, acuminate; rachis without proliferous bulbils, with linear yellowish brown scales on both surfaces. Pinnae 19-24 pairs, alternate, slightly angled basiscopically, shortly stalked, ovate or narrowly ovate, middle pairs 6-14 × 4-6 mm, broadly cuneate or rounded-cuneate, pinnatipartite, broadly cuneate or rounded-cuneate. Lobes 2-4 pairs, nearly opposite, slightly ascendant, oblong, ca. 2 × 1 mm, upper part with small acute teeth; abaxially covered with many lanceolate microscales, adaxially sparsely covered with filiform microscales; frond texture papery; venation pinnate on lobes, slightly raised on both surfaces. Sori in 1 row on each side of pinna rachis, terminal on veinlets; indusia present, gibbous with concave centers, irregularly repand.

● Bushes, alpine meadows, rock crevices; 3200-3800 m. Taiwan (Taizhong).


Related Objects Image Gallery 
  • Illustration
  • Illustration
  • Illustration
  • Illustration

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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