Common Nightshade
Solanum americanum Mill. [Solanaceae]
Amerika inu-hozuki (アメリカイヌホオズキ, 亜米利加犬酸漿)
Solanum L.
Animal-dispersal
Most of all Solanum are exotic in Japan
Many vegetables form Solanum
S. lycopersicum L., tomato (Syn. Lycopersicon esculentum Miller)
S. melongena L., egg plant
S. tuberosum L., potato
While,... solanine (C45H73NO15) and other substances that are produced by Solanum are poisonous.
S. americanum
S. americanum Mill. (Amerika inu-hozuki, アメリカイヌホオズキ)
occasionally laciniate unclear
Close to Common Nightshade
S. luteum Mill. (Akamino inu-hozuki, アカミノイヌホオズキ)
red fruit
S. memphiticum Mart. (Murasaki inu-hozuki, ムラサキイヌホオズキ)
(slightly-)purple stem
S. nigrescens Mart. et Gal. (オオイヌホオズキ)
S. nigrum L. (イヌホオズキ) [Native, s.l.]
S. physalifolium Rusby (Hime ke inu-hozuki, ヒメケイヌホオズキ)
dense stem hairs. flower = 4-6 mm in diameter
S. sarrachoides Sendtn. (Ke inu-hozuki, ケイヌホオズキ)
dense stem hairs. flower = 7-9 mm in diameter
In Hokkaido University Campus
[Left] Aboveground part. [Rgiht] Flowers. All photos were taken on Sept. 19 2007.
References
- HUSTEP: Plants and Plant communities in Japan
flora list - seed dispersal
- Nomenclature follows: Shimizu T. 2003. Naturalized plants of Japan. Heibonsha Ltd., Publishers, Tokyo, Japan. pp. 337