アブラナ科

What are the differences between Calanthe discolor and Calanthe japonica? An explanation of how to distinguish between similar species.

Both *Arabis japonica* and *Arabis humilis* belong to the genus *Arabis* in the family Brassicaceae, and are invasive weeds that can grow in urban areas with low levels of natural habitat, such as cracks in concrete. Their distinctive features that distinguish them from other species are their characteristic yellow flowers and divided leaves, typical of the Brassicaceae family. However...

2024.04.15

plant

ハマダイコン・ハナダイコン・ショカツサイ（オオアラセイトウ）の違いは？似た種類の見分け方を解説

ハマダイコン・ハナダイコン（ハナスズシロ）・ショカツサイ（オオアラセイトウ）はいずれもアブラナ科に含まれ、名前に「ダイコン」が含まれることがあり、観賞用・食用いずれかの目的で栽培され、野生化したこともある草本です。紫系統の十字花を付ける点が...

2024.03.29

plant

ナズナ・マメグンバイナズナ・イヌナズナ・シロイヌナズナの違いは？似た種類の見分け方を解説

ナズナ・マメグンバイナズナ・イヌナズナ・シロイヌナズナはいずれもアブラナ科に含まれ、その中でも「ナズナ」という名前がつく日本の代表的な雑草です。早春に開花し、早々に平べったい果実をつける点が特徴です。しかし、有名ではあるものの、これら4種の...

2024.03.22

plant

What are the differences between mustard greens, rapeseed, European rapeseed, and black mustard? How do their uses differ? Why did they evolve to be spicy? Brassica plants, essential for Japanese mustard and salad oil, have increased fruit production thanks to insect visits!

Brassica napus, rapeseed, European rapeseed, and black mustard are four species of yellow flowers that bloom in spring and belong to the Brassicaceae family. Their flower shapes are almost identical, and their habitats are also nearly the same. Furthermore, there are many closely related species, making identification extremely confusing. This complexity is such that even researchers sometimes misidentify them. Recent research has revealed...

2021.09.21

plant