(First upload on April 7 2013. Last on November 10 2021) [ 日本語 | English ]

Solanum nigrum L.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Solanum L. (ナス)
Inu-hozuki (イヌホオズキ, 犬酸漿), black nightshade (USDA)
Bakanasu (バカナス, 馬鹿茄子)
Lifeform: weedy, annual forb < 60 cm high (20-90 cm)
Distribution: widespread in temperate and tropical regions (archaeophyte to Japan)

HUSTEP: Plants and Plant communities in Japan (flora list)

Flowering: mostly in August-October
Petiole: developing wing
Fruit: green → black (6-7 mm in diameter) ⇒ seed dispersal = animal
Poisonous plant

Solanum nigrum L. var. miniatum (Bernh. ex Willd.) Fr.
Solanum nigrum L. var. villosum L.
Solanum villosum Mill.

Cf. Solanum luteum Mill. (アカミノイヌホオズキ)

Solanum nigrum in Japan

Solanum1 Solanum2 Solanum3
Solanum4 Solanum5 Solanum6
Solanum7 Solanum8 Solanum9
[1/2] on the slope of Mount Yatsu, Shizuoka Prefecture, on March 5 2013. [3] along a paved road near the Gokokuji Temple Entrance of highway, Tokyo, on March 15 2017. [4/5] near Hakone Climbing Cable Car Koen-shimo Station, Hakone, on August 21 2021. [6] along a paved road near JR Nagasaki Station, northwestern Kyushu, on April 16 2017. [7-9] between Okachimachi and Ichigaya, Tokyo, on January 8 2019.