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(First upload on January 4 2016. Last on March 20 2019) [ 日本語 | English ]

Solanum L. (ナス) Hiyodorijougo (ヒヨドリジョウゴ, 鵯上戸) Tsuzurago (ツヅラゴ) Lifeform: perennial vine, producing long rhizomes Distribution: East Asia, incluidng Japan Habitat: sunny hills, etc.

Leaf: diverse from Chromosome number: 2m = 24 Synonyms (discarded varieties): - var. maruyamanum Honda - f. leucanthum (Nakai) Sugim. var. filamentosum Hayashi (イトホロシ) f. purpuratum Konta et Katsuy. (ムラサキヒヨドリジョウゴ) f. xanthocarpum (Makino) H. Hara (キミノヒヨドリジョウゴ)

Solanum lyratum in Japan

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[1/2] in Hama-rikyu Gardens, Tokyo, on November 13 2015. [3-5] along a paved road in Sotogou Park (外濠公園), Tokyo, on November 18 2016. [6] along a paved road in N18/W5, North Ward, Sapporo, on October 30 2018. [7/8] on Mount Mikasa in in Hibiya Park, Tokyo, on April 7 2025.