Northeastern Asian Flora
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Arisaema monophyllum Nakai   (redirected from: Arisaema monophyllum f. variegatum (Honda) H.Ohashi & J.Murata)
Family: Araceae
[Arisaema akitense Nakai, moreArisaema akitense f. variegatum Honda, Arisaema atrolinguum F.Maek., Arisaema monophyllum f. akitense (Nakai) H.Ohashi, Arisaema monophyllum f. atrolinguum (F.Maek.) Kitam. ex H.Ohashi & J.Murata, Arisaema monophyllum f. integrum Nakai, Arisaema monophyllum f. serrulatum Nakai, Arisaema monophyllum f. variegatum (Honda) H.Ohashi & J.Murata, Arisaema monophyllum var. akitense (Nakai) H.Ohashi, Arisaema monophyllum var. atrolinguum (F.Maek.) Kurata]
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  • Japan Flora
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Japan Flora: Tuber depressed-globose; pseudostem 20-80 cm. long; leaf solitary, the petiole terete, 7-15 cm. long; leaflets 7-11, ovate to oblong, sometimes obovate, abruptly cuneate-acuminate at tip, entire (forma integrum Nakai) or serrulate (forma serrula- tum Nakai), the terminal one as large as or sometimes slightly smaller than the next lateral ones, 10-20 cm. long, 3-7 cm. wide; peduncle 3-10 cm. long at anthesis, later elongating; spathe light green, marked with a dark purple transverse band inside, the upper margins of the tube scarcely recurved, the blade deltoid-lanceolate, 5-6 cm. long, gradually long- acuminate, erect or slightly oblique, in part dark purple; spadix-appendage narrowly cylindric, slightly bent forward and somewhat thickened at apex, slightly thickened and trun­cate at base. Apr.-May.

Honshu (Shimotsuke, Musashi, Sagami, Idzu, Shin ano, Ugo and elsewhere).

var. atrolinguum (F. Maekawa) Kurata. Blade of spathe dark purple, slightly arching over the spadix.  Honshu (Sagami, Idzu)

Arisaema monophyllum
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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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