Northeastern Asian Flora
Log In New Account Sitemap
  • Home
  • Search
    • Search Collections
    • Map Search
  • Images
    • Image Browser
    • Search Images
  • Inventories
  • Interactive Tools
    • Dynamic Checklist
    • Dynamic Key
Polystichum deltodon (Baker) Diels   (redirected from: Polystichum deltodon var. cultripinnum W.M.Chu & Z.R.He)
Family: Dryopteridaceae
[Aspidium deltodon Baker, moreAspidium tosaense Makino, Hemesteum deltodon (Baker) H.L?., Polystichum deltodon var. cultripinnum W.M.Chu & Z.R.He, Polystichum deltodon var. pseudodeltodon (Tagawa) Tagawa, Polystichum pseudodeltodon Tagawa, Polystichum tosaense (Makino) Makino]
Images
not available
  • Japan Flora
  • Resources
Japan Flora: Rhizomes stout, erect to subascending, densely clothed with the basal stubs of old stipes; fronds tufted; stipes 5-12 cm. long, straw- colored, sparsely scaly, the scales membranous, pale brown, lanceolate, 3-5 mm. long, often attenuate with a long taillike tip, denticulate-ciliate; blades linear-lanceolate, 15-40 cm. long, 2.5—5 cm. wide, acuminate to elongate-acuminate,simply pin­nate, the rachis straw-colored, thinly scaly; pinnae 15-30 pairs, firmly chartaceous, spreading, narrowly oblong to narrowly ovate-oblong, 1-3 cm. long, 5-10 mm. wide, glabrous above, thinly scaly beneath, sessile, obtuse to abruptly acute, mucro­nate- to spine-toothed, awnlike at the tip, the anterior side nearly straight, truncate at base and auricled, narrowly cuneate on posterior side at base; sori on apical and anterior side of pinnae, much nearer the margin than the costa; indusia thin, orbicular, about 1 mm. across, erose.  Calcareous rocks.

Honshu (Chugoku Distr.), Shikoku, Kyushu; rare. China and Formosa (var.).

Polystichum deltodon
Open Interactive Map
Click to Display
0 Total Images

Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
Powered by Symbiota.