plant イタチハギとハリエンジュ（ニセアカシア）の違いは？似た種類の見分け方を解説！なぜ要注意外来生物？2種は対照的な花と果実を持っていた！？
イタチハギとハリエンジュは同じくマメ科で葉は多数の小葉からなる奇数羽状複葉である上に緑化に利用され、同じような環境で野生化することから混同されることがあります。日本ではどちらも生態系被害防止外来種（旧要注意外来生物）です。この2種は刺の有無...
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plant What are the differences between Trachelospermum asiaticum, Trachelospermum asiaticum, and Trachelospermum asiaticum? We'll explain how to distinguish between similar species! Is it historically true that the name originates from "Fujiwara no Teika"? What is the ecological reason why they bloom and emit a fragrance in the evening?
Trachelospermum asiaticum and Trachelospermum asiaticum are climbing plants that can be widely found in Japan, from forests to urban areas, including cultivated varieties. They can be distinguished by the hairs on the underside of their leaves and the length of their flower tubes. They have been widely known in Japan since the time of the writing of the Kojiki, and their current names are derived from "fuji" (wisteria)...
plant サルスベリとシマサルスベリの違いは？似た種類の見分け方を解説！花は偽の花粉を囮にして受粉を成功させていた！？ハチを騙す驚きの戦術！種子は風散布だけじゃない！？
サルスベリとシマサルスベリは日本ではどちらも植栽されることがあり、都市部でもあちこちで見かける植物です。幹肌がスベスベになることから他種からの区別は容易ですが、2種間は非常に形態が類似しているため、殆ど混同されていると言っても良いかもしれま...
plant What are the differences between Bupleurum falcatum and Bupleurum chinense? We'll explain how to distinguish between similar species! Why are they used in traditional Chinese medicine? Why are they endangered? Do flies come to the flowers to lick the nectar?
Bupleurum falcatum and Bupleurum chinense are both yellow-flowered plants belonging to the Apiaceae family that grow in sunny grasslands, so it can be difficult to distinguish between them. The difference lies in whether the base of the stem leaves clasps the stem or not. While it may not be possible to distinguish them by the shape of the flowers, there are differences in the shape of the involucral bracts...
plant What are the differences between trumpet vine and American trumpet vine? What are the differences between it and bellflower? We'll explain how to distinguish between similar species! Is it really non-toxic and actually poisonous?! Did they follow separate evolutionary paths in the Old World and the New World?!
The trumpet vine (Campsis grandiflora), American trumpet vine (Campsis radicans), and bellflower (Campsis lanceolata) are three species of climbing horticultural plants native to North America, commonly used as garden trees and for landscaping. Distinguishing between them is easy if they are flowering; if that's not possible, you'll need to examine the underside of the leaves closely, although the differences are minimal...
plant What are the differences between *Salvia japonica*, *Salvia japonica*, *Salvia japonica*, and *Salvia japonica var. alpina*? We'll explain how to distinguish between similar species! Did the flowers fit snugly onto the bees, leading to successful pollination?
Salvia japonica, Salvia japonica, Salvia japonica in autumn, and Salvia japonica in mountain are all members of the Salvia genus, known as wildflowers of Japan, but their similar names can sometimes lead to confusion. These similarly named Salvia species can be distinguished by carefully observing the structure of their corollas, stamens, and leaves...
plant リキュウバイとヤナギザクラの違いは？似た種類の見分け方を解説！千利休と関係があるというのは嘘？花の緑色の部分にはどういう役割がある？
リキュウバイとヤナギザクラは中国原産で、特にリキュウバイは日本で茶庭や普通の庭で栽培されることが多い種類です。また稀ではありますが、ヤナギザクラも栽培されることもあります。これら2種は葉の鋸歯の具合で確実に見分けることができ、花でも一応見分...
plant ツリガネニンジン・フクシマシャジン・ソバナの違いは？似た種類の見分け方を解説！青い花は夜だけに蜜を出していた！？形に反した意外な適応
ツリガネニンジン・フクシマシャジン・ソバナは林縁などに生える紫色の花を多数つける日本の代表的な草本でいずれもキキョウ科ツリガネニンジン属で林内に生え、紫色の下向きの花をつけるという点で類似しており、区別に迷うことがあるかもしれません。しかし...
plant What are the differences between *Syzygium rufinerve*, *Syzygium rufinerve* (Javan syrup), and *Syzygium rufinerve*? We'll explain how to distinguish between similar species! Do birds visit the bushy flowers? And can they even form fruit without pollination?!
Myrtus communis, also known as rose apple or adek, is a plant belonging to the Myrtaceae family, genus Myrtus, and is well-known for its entire leaves and edible fruit. While you might see it in botanical gardens or in Okinawa, it's a tropical plant, so it's rarely seen in mainland Japan, and many people don't know how to distinguish it from other plants...
plant What are the differences between Mitsumata and Ganpi? We'll explain how to distinguish between these similar species! Why is Mitsumata used as the raw material for Japanese banknotes? Do flowers require insects with long mouths to thrive?
ミツマタとガンピはどちらもジンチョウゲ科で和紙として利用されており、花の形はよく似ています。しかしミツマタとガンピは同じ科の中でも属が異なり、花の花期や花序の形をよく観察すると、様々な点で異なっています。最初に和紙として利用され始めたのはガ...