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(First upload on October 6 2011. Last on July 22 2023) [ 日本語 | English ]

Metaplexis R. Br. (ガガイモ) in Japan One species, Metaplexis japonica, is distributed in Japan Gagaimo (ガガイモ, 蘿芋), rough potato Lifeform: deciduous, perennial climber Distribution: east Asia, including Japan Habitat: sunny sites, such as grasslands, forest edges, and roadsides Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Leaf: opposite phyllotaxis Fruit: used for medicine (羅摩子) Chromosome number: 2n = 22 or 24 f. albiflora Honda (シロバナガガイモ) Welsh SL, Anderson DE. 1962. Metaplexis japonica: an oriental milkweed from an Iowa cornfield. Brittonia 14: 186-188 Metaplexis ⇔ Cynanchum caudatum (イケマ) Leaf abaxial side = pale green ↔ white-green Latex = white ↔ less

Metaplexis japonica in Hokkaido

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[1-3] climbing up on a fence in N27/W3, North Ward, Sapporo, on August 31 2011. [4] on a hedge in N24/E1, East Ward, Sapporo, on August 28 2019. [5] on a parking lot in the backyard of Tougeshita Head Store of Lucky Pierrot, Nanae Town, southern Hokkaido, on July 11 2023. [6] at a roadside, N23/E1, East Ward, Sapporo, on July 18 2014. Record: in the campus of Northeast Normal University in Changchun, northeastern China, on June 5 2017. Along O-sawa Course in Nopporo Forest Park on July 17 2021.