| 词条 | Arisaema serratum |
| 释义 |
|image = Arisaema serratum.jpg |genus = Arisaema |species = serratum |authority = (Thunb.) Schott }}Arisaema serratum is a species of flowering plant in the arum family (Araceae). It is native Japan, where it is found from the Kansai region north to the island of Hokkaido.[1] Its natural habitat is damp forests.[1]Arisaema serratum is a perennial. It produces two leaves, with 7-13 leaflets each.[3] The color of the flowering bract is variable, being either purple or green. It blooms from May to June.[1] It is similar to Arisaema mayebarae, which is restricted to Kyushu (and island where Arisaema serratum is not present). Arisaema serratum can be distinguished by its shorter spathe blade, which declines over the tip of the mouth (as opposed to being held at a horizontal angle).[2] References1. ^1 2 Arisaema serratum form. viridescens (in Japanese), Flora of Mikawa {{taxobar}}2. ^1 {{cite book |last=Ohwi |first=Jisaburo |date=1965 |title=Flora of Japan |url= |location= |publisher=Smithsonian Institution |page=262|isbn= |author-link= }} 1 : Arisaema |
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