Northeastern Asian Flora
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Arisaema amurense Maxim.   (redirected from: Arisaema amurense f. violaceum (Engl.) Y.S.Kim & S.C.Ko)
Family: Araceae
[Arisaema amurense f. denticulatum Makino, moreArisaema amurense f. purpureum (Nakai) Kitag., Arisaema amurense f. serratum (Nakai) Kitag., Arisaema amurense f. violaceum (Engl.) Y.S.Kim & S.C.Ko, Arisaema amurense subsp. robustum (Engl.) H.Ohashi & J.Murata, Arisaema amurense var. denticulatum (Makino) Engl., Arisaema amurense var. purpureum Nakai, Arisaema amurense var. robustum Engl., Arisaema amurense var. serratum (Nakai) Nakai ex T.H.Chung, Arisaema amurense var. violaceum Engl., Arisaema komarovii Tzvelev, Arisaema robustum (Engl.) Nakai, Arisaema robustum f. purpureum (Nakai) H.Ohashi, Arisaema robustum f. variegatum Y.N.Lee, Arisaema robustum var. furusei Sugim., Arisaema robustum var. purpureum Nakai]
Arisaema amurense image
  • Japan Flora
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Japan Flora: Pseudostem 20-35 cm. long, from a depressed- globose tuber bearing small tubers on the sides; leaf solitary, the petiole terete, nearly erect, 10-25 cm. long, the blade palmately 5-foIiolate, the rachis not developed, the leaflets obovate or ovate, 10-15 cm. long, 4-7 cm. wide, abruptly short-acuminate; peduncle 2-5 cm. long; spathe green with longitudinal white stripes or dark purple (forma atropurpureum T. Koyama), somewhat auriculate on the upper margin of the tube, the blade ovate, 5-6 cm. long, long-acuminate, obliquely ascend­ing, scarcely narrowed at base; spadix-appendage cylindric, thickened and truncate at base.  May-June. Woods.

Hok­kaido, Honshu, Kyushu. Korea and Sakhalin.

Arisaema hakonecola Nakai  is poorly known and may be the same as A, robustum, differing allegedly in the larger spathe with a uniformly dark purple blade arching over the spadix, and a very stout appendage of the spadix. Honshu (Hakone).

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