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
Carex filipes Franch. & Sav.   (redirected from: Carex filipes var. tremula (Ohwi) Ohwi)
Family: Cyperaceae
[Carex arakiana (Ohwi) Ohwi, moreCarex arisanensis var. tremula Ohwi, Carex egena H.L?. & Vaniot, Carex filipes subsp. kuzakaiensis M.Kikuchi, Carex filipes subsp. oligostachys (Meinsh.) T.Koyama, Carex filipes subsp. rouyana (Franch.) T.Koyama, Carex filipes var. arakiana (Ohwi) Ohwi, Carex filipes var. kuzakaiensis (M.Kikuchi) T.Koyama, Carex filipes var. oligostachys K?., Carex filipes var. rouyana (Franch.) K?k., Carex filipes var. sparsinux (C.B.Clarke) K?k., Carex filipes var. tremula (Ohwi) Ohwi, Carex oligostachys Meinsh. ex Matsum., Carex rouyana Franch., Carex rouyana var. arakiana Ohwi, Carex sparsinux C.B.Clarke ex Franch., Carex tremula (Ohwi) Ohwi]
Images
not available
  • Japan Flora
  • Resources
Japan Flora: Rhizomes short-creeping; culms tufted, 30-50 cm. long, soft, acutely angled, glabrous; leaf-blades thin and soft, flat,nearly glabrous, glaucous to bright green, rather abruptly narrowed toward apex, the basal sheaths bladeless; spikes 3 or 4, distant, the terminal staminate, the others pistillate, short-cylindric, very loosely several-flowered, spreading to pendulous, the bracts leaflike, long-sheathing; pistillate scales ovate, acuminate, pale, partially dark reddish or brownish; perigynia nearly as long as the scales, 5-6 mm. long, broadly ovoid-fusiform, glabrous, pale green, membranous, weakly nerved, rather long-beaked, with a truncate hyaline tip; stigmas 3. 

var. filipes. Leaf-blades 2-4 mm. wide, the sheaths dark reddish purple; staminate spike dark purplish brown or sometimes pale, linear, 10-15 mm. long, short- or rather long-peduncled, few-flowered, the pistillate loosely several-flowered, the upper contiguous, the lower dis­tant. Apr.-June. Woods or grassy places in hills and mountains; Honshu (n. distr., westw. to Kinki Distr.), Shi­koku; rather common.

var. tremula (Ohwi) Ohwi. Plant smaller; leaf-blades narrow, short, abruptly acuminate to acute; staminate spike broadly linear, very short, few-flowered, inconspicuous.  Apr.-May. Shikoku, Kyushu.

var. rouyana (Franch.) Kuek. Plant larger; leaf-blades 3-7 mm. wide, the sheaths pale or brownish, rarely partially purplish brown; staminate spike elongate, always long-peduncled and surpassing the adjacent one. Apr.-June. Woods in moun­tains and hills; Honshu (Kanto and westw. to Kinki Distr.).

var. arakiana (Ohwi) Ohwi.  Resembles the preceding variety, the leaves usually living two years, 8-12 mm. wide, deep green, the basal leaf-sheaths at least partially dark sanguineous-purple.  May. Honshu (Tango and Aki Prov.).

Carex filipes
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.