plant ホトケノザ・ヒメオドリコソウ・オドリコソウの違いは？モミジバオドリコソウとの違いは？似た種類の見分け方を解説！果実がアリによって運ばれるのはなぜ？
ホトケノザ・ヒメオドリコソウ・オドリコソウはいずれもシソ科オドリコソウ属に含まれる草本です。特にホトケノザ・ヒメオドリコソウは春の雑草として有名ですが、3種の区別がつかない人もいるかもしれません。これら3種は比較的見分けることができ、葉だけ...
ecology
plant 
plant アガベ（竜舌蘭）とユッカ（君が代蘭）の違いは？似た種類の見分け方を解説！寿命が100年は嘘？テキーラの原料になるのは嘘？
リュウゼツラン・アオノリュウゼツラン・アガベ・キミガヨラン・ユッカはいずれもキジカクシ科（クサスギカズラ科）に含まれ、子供や大人の背丈ほどになることがあるほど大型で、平行脈になっている単子葉を持つことが大きな特徴です。その迫力と乾燥に強いこ...
plant ヒサカキ・ハマヒサカキ・サカキの違いは？似た種類の見分け方を解説！早春に咲くのはハチとハエに受粉を頼るため！？
ヒサカキ・ハマヒサカキ・サカキはいずれもサカキ科（モッコク科）に含まれ、特にヒサカキとサカキは古代から神道において神霊の「依り代」と考えられており、日本では伝統的に植栽されています。しかし、名前も類似しており、混同されることは多いかもしれま...
plant What's the difference between loquat (Biwa) and wild fig (Inubiwa)? How do they differ from apricots, persimmons, and mangoes? We'll explain how to distinguish between similar species! Insects and small birds visit loquat blossoms that bloom in winter!?
The loquat (Ficus microcarpa) is an evergreen tree native to China, cultivated worldwide for its edible fruit. In Japan, it is frequently cultivated not only for food but also for ornamental purposes. A similar-sounding species, the deciduous shrub known as *Ficus erecta*, is often confused with the loquat due to its oval-shaped, fruit-like structure...
plant ヒイラギ（オニヒイラギ）とヒイラギモクセイの違いは？ヒイラギモチ・セイヨウヒイラギ・ヒイラギナンテンとの違いは？似た種類の見分け方を解説！2種類ある葉は進化の結果！？
ヒイラギ（オニヒイラギ）とヒイラギモクセイはいずれもモクセイ科モクセイ属に含まれ、町中でも栽培されているのを見かけます。ヒイラギに関しては林内で幼木を頻繁に見かけるときもあります。形態的にはどちらも葉に鋸歯があり、そのため、これら2種は混同...
plant What are the differences between snowdrops (Euphorbia marginata) and snowflakes (Euphorbia hederacea)? We explain how to distinguish between similar species! The "green" color of the perianth segments has various roles!?
Snowdrops and snowflakes both belong to the Amaryllidaceae family and are very commonly cultivated in Japan as ornamental plants that bloom in winter. Both are native to Europe, and because they are both white with green spots and have similar names, they are often confused...
plant What are the differences between Buddleja japonica, Buddleja davidii, Buddleja stolonifera, and Buddleja buergeriana? We'll explain how to distinguish between similar species! Butterflies aren't the only visitors to the flowers! Are the seeds dispersed by the wind?
Buddleja japonica, Buddleja stolonifera, Buddleja gracilis, and Buddleja davidii all belong to the Buddleja genus of the Scrophulariaceae family. Their most distinctive feature is the inflorescence they produce at the top of their stems, each flower possessing a long corolla tube. Buddleja stolonifera is particularly popular in horticulture due to its strong fragrance...
plant What's the difference between rosemary and Westringia (Australian rosemary)? How is it different from lavender? We'll explain how to distinguish between similar species! Do bees love the flowers? Ants are both allies and enemies to the fruit!?
Rosemary (Rosemary) and Westringia (Australian rosemary) both belong to the mint family and have similar names. They are commonly planted in Japan as ornamental plants, and their leaves and flowers look quite similar. However, rosemary is native to Europe and North Africa, while Australian rosemary...
plant What are the differences between *Melophyllum uliginosum* and *Melophyllum okinawaense*? How do they differ from *Tricholoma cucumeroides* species? We'll explain how to distinguish between similar species! Is the pollination method unknown? Do birds like these cute fruits? Are they edible for humans?
Both *Melo serrulata* and *Melo okinawaensis* belong to the Cucurbitaceae family and are climbing annuals. Morphologically, they share similarities, including small flowers and smooth, hairless fruit surfaces. Furthermore, Google search suggestions are sometimes incorrect, making it difficult to distinguish between them without prior observation...
plant What are the differences between dock, long-leaved dock, rough dock, and Ezo dock? How do you distinguish them from sorrel? We'll explain how to tell similar species apart! Did they rely on wind for pollination? Seed dispersal methods were more diverse than you might imagine!
Rumex japonicus, Rumex longifolius, Rumex crispus, and Rumex japonicus all belong to the genus Rumex in the family Polygonaceae. Originally, only Rumex japonicus was found in Japan, but multiple species have invaded and become extremely common weeds. They also share a common preference for disturbed soil, and are often found growing together...