植物 | Page 23 | Ecological Notes Web

What are the differences between eggplant and nightshade? What is the origin and evolution of eggplant? Why is nightshade disliked? Does its flower pollinate by vibration? Why are nightshade fruits poisonous?

ナスとワルナスビはどちらも「ナス」の名がつく名前と花の形が類似した2種ですので、見たことがない人は2種を混同するかもしれません。しかし、ナスとワルナスビは全く異なる種類です。ナスは栽培植物で自生することはなく刺がないですが、ワルナスビは野草...

2021.09.20

plant

What are the differences between Nymphoides peltata, Nymphoides indica, and Nymphalis? We explain how to distinguish between similar species! Why are they endangered? Did Nymphoides peltata and Nymphoides indica survive through a strategy of pleasing everyone?

Nymphoides peltata, Nymphoides indica, and Nymphaea japonica are three species of floating-leaved plants with round leaves found in lakes and ponds in Japan. While they look very similar, Nymphoides peltata and Nymphoides indica belong to the Menyanthaceae family, while Nymphaea japonica belongs to the Nymphaeaceae family, making them completely different. They can be reliably distinguished by their flowers, but even just looking at the leaves can be quite telling...

2021.09.20

plant

What are the differences between Zephyranthes candida, false saffron, and saffron? We'll explain how to distinguish between similar species! Why is it called "false"? In its native habitat, only beetles visited the flowers!?

Zephyranthes candida and false saffron are widely cultivated in gardens for ornamental purposes, but there may be some confusion regarding their Japanese names. The most significant difference is that the inner part of the perianth lobes of Zephyranthes candida is white, while that of false saffron is bright pink. False saffron is called "modoki" (meaning "false")...

2021.09.20

plant

What are the differences between Ternstroemia gymnanthera, Pittosporum tobira, Rhaphiolepis indica, and Ilex crenata? We explain how to distinguish between similar species! Did you know that Ternstroemia gymnanthera is a rare species in the biological world, possessing both male and hermaphroditic flowers on separate plants? And that its fruit deceives birds?

Ternstroemia gymnanthera is an evergreen tree that grows in relatively dry areas near the coast and is quite popular as a garden tree. However, because its leaves are entire and have no serrations, it lacks distinctive features and is often confused with completely different species such as Pittosporum tobira, Rhaphiolepis indica, and Ilex crenata. However, in many cases, the color of the leaf stalks...

2021.09.20

plant

ハナハマセンブリとベニバナセンブリの違いは？似た種類の見分け方を解説！薬草になるって本当？ベニバナセンブリ属は環境によって花の大きさを変え、受粉戦略を変更していた！？

ハナハマセンブリとベニバナセンブリはヨーロッパ原産のピンクの可愛い花をつける2種として知られ、近年日本でもよく見かけます。そうなったのは、1960年以降のことです。この2種は生活型、根生葉、花冠を詳しく観察することによって区別することが出来...

2021.09.20

plant

What are the differences between Plumbago auriculata and Plumbago prunifolia? We explain how to distinguish between similar species! Are there two types of stamen length? Only insects with long mouths can suck nectar from the flowers!?

Plumbago (Plumbago auriculata) and Plumbago rhododendron are two horticultural varieties of the Plumbaginaceae family that produce somewhat unusual blue flowers. In Japan, they are cultivated in gardens for ornamental purposes, and are easily confused due to their similar names, blue flowers, and similar flower shapes. However, their classification is based on their genus level...

2021.09.16

plant

ハゼノキ・ヤマハゼ・ウルシ・ヤマウルシの違いは？似た種類の見分け方を解説！なぜかぶれる？なぜヤマハゼは和蝋燭の原料になった？自然界ではどんな鳥が好む？紅葉には役割があった！？

ハゼノキ・ヤマハゼ・ウルシ・ヤマウルシはいずれもウルシ属で比較的都市部でもよく見られ、特徴的な奇数羽状複葉で庭や道路脇で見かけるよく似た種類です。その区別は難しいですが葉をよく観察しなければなりません。小葉の数、毛の生え具合は大きな手がかり...

2021.09.16

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...

2021.09.16

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)...

2021.09.16

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