morphology

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plant

What are the differences between purslane, portulaca, and moss rose? We'll explain how to distinguish between similar species! The secret to their strength lies in the simultaneous use of two special types of photosynthesis!?

Purslane, Portulaca grandiflora, and Portulaca oleracea all belong to the Portulacaceae family and Portulaca genus. Their most distinctive feature is their glossy, succulent leaves. Due to their hardiness, they are cultivated and naturalized in urban areas, especially Portulaca grandiflora and Portulaca oleracea...
2025.03.26
plant
plant

ヒメイタビ・オオイタビ・イタビカズラの違いは？似た種類の見分け方を解説！「実」のような「花嚢」にやってくる特殊なコバチとは！？

ヒメイタビ・オオイタビ・イタビカズラはいずれもクワ科イチジク属に含まれ、イチジク属の中でもつる性となる点から区別され、木の幹や岩に絡みつくことで着生する仲間です。最大の特徴は他のイチジク属と同様にまるで果実のような部位を形成することで、これ...
2025.03.18
plant
plant

What are the differences between plantain, broadleaf plantain, budded plantain, and psyllium? We'll explain how to distinguish between similar species! How do they become stronger when stepped on?

オオバコ・ヘラオオバコ・ツボミオオバコはいずれもオオバコ科オオバコ属に含まれ、路傍に極めて普通に生える多年草です。踏み固められた地面を好んでおり、「踏み跡植物」の一種として知られています。これらは混同されますが葉と花序の形に注目すれば比較的...
2025.03.17
plant
plant

What's the difference between catmint and catnip? How does it differ from mint? We'll explain how to distinguish between similar species! Why does it intoxicate cats? And is it actually a mosquito repellent?!

Catmint and catnip belong to the genus Nepeta in the Lamiaceae family and are perennial plants widely cultivated in Japan as herbs or for ornamental purposes. While their large corolla with a protruding upper lip is a distinctive feature, their most notable characteristic is the "silver vine reaction" that intoxicates felines...
2025.03.13
plant
plant

What are the differences between daphne and pepper tree? What are the differences between lilac, white jasmine, gardenia, and rhododendron? We'll explain how to distinguish between similar species! Why did the fragrance of flowers evolve?

Daphne odora and pepper trees both belong to the genus Daphne in the family Thymelaeaceae, and share the characteristics of wrinkled, distorted leaves and fragrant flowers. While they may appear similar, Daphne odora is only cultivated, while pepper trees only grow wild, and morphologically they also differ...
2025.02.26
plant
plant

What are the differences between Menamomi, Komenamomi, and Onamomi? We explain how to distinguish between similar species! The mucus-secreting bracts are for sticking to animals!?

Both *Menamomi* and *Komenamomi* belong to the genus *Menamomi* in the Asteraceae family. Their most distinctive features are their small, yellow ray florets and the presence of stalked glandular hairs on their involucral bracts. While not particularly common, both species grow in open areas, and *Menamomi* in particular was historically used by the Japanese as a fermented food. However...
2025.02.25
plant
plant

ヒイラギナンテン・ホソバヒイラギナンテン・ナリヒラヒイラギナンテンの違いは？似た種類の見分け方を解説！

ヒイラギナンテン・ホソバヒイラギナンテン・ナリヒラヒイラギナンテンはいずれもメギ科メギ属に含まれ、針状の粗い鋸歯がある奇数羽状複葉を持ち、育てやすいことから頻繁に観賞用に栽培されています。しかし、3種をきちんと区別できている人は少ないかもし...
2025.02.20
plant
plant

What are the differences between poppies, common poppies, and long-headed poppies? How do they differ from Icelandic poppies? We'll explain how to distinguish between similar species! Did humans themselves evolve the "Devil Fruit," which has both significant merits and demerits?

Poppies, including the common poppy, thick-flowered poppy, and long-headed poppy, all belong to the genus Papaver in the family Papaveraceae and are collectively known as poppies. They are very popular as ornamental plants due to their beautiful, large single flowers and are widely cultivated. However, despite being poisonous and prone to naturalization, they are difficult to identify...
2025.02.18
plant
plant

シラカンバ（シラカバ）・ダケカンバ・ウダイカンバの違いは？似た種類の見分け方を解説

シラカンバ（シラカバ）・ダケカンバ・ウダイカンバはいずれもカバノキ科カバノキ属に含まれ、寒い地域や高山では身近な落葉高木です。葉の側脈が直線的で並行に並び、細かい鋸歯があるの共通点で、日本人・アイヌの間で様々な用途で広く利用されてきましたが...
2025.01.14
plant
animal

What is the role of the strangely enlarged final legs of the *Centipede* species? Could they be a secret weapon for aggressively defending against predators?!

The term "female centipedes" refers to a group of centipedes belonging to the genus *Scylla* in the family Scolopendridae, order Scolopendromorpha. These centipedes are burrowing and rarely seen by the average person, but their most striking feature is their strangely enlarged final gait. While there have been various theories regarding the function of this final gait,...
2024.11.26
animal
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