plant

Sponsored Link
plant

What are the differences between persimmon (Diospyros kaki), Japanese persimmon (Diospyros serrata), and mountain persimmon (Diospyros margaritacea)? We'll explain how to distinguish between similar species! Where are they native to? What's the difference between astringent and sweet persimmons? What insects visit the flowers? Who eats them in nature?

The Japanese persimmon (kaki) has been cultivated in Japan since ancient times and is a fruit and plant strongly associated with Japanese culture. While closely related species exist, the Japanese persimmon is easily distinguishable by the size of its fruit. However, when distinguishing by leaves alone, it resembles the Japanese dwarf persimmon (Diospyros kaki), the Ryukyu dwarf persimmon (Diospyros ryukyuensis), and the evergreen persimmon (Diospyros kaki), and subtle differences...
plant

ヤマツツジとレンゲツツジの違いは?似た種類の見分け方を解説!蝶を呼ぶことに特化したはずの花にはマルハナバチも不可欠だったことが研究で判明!

ヤマツツジは日本の野生ツツジの代表種で、レンゲツツジは毒性がある種類として有名です。いずれもツツジ科ツツジ属で、赤い野生のツツジとして代表的な種類のため、迷うことがあるかもしれませんが、葉の形の花の付き方を確認すれば区別できます。これら2種...
plant

What are the differences between buckwheat (soba), Tartary buckwheat (Tartary buckwheat), and Shakuchiri buckwheat (Shakuchiri buckwheat)? We explain how to distinguish between similar varieties! Is buckwheat's origin in mountainous regions? Why do Japanese people eat it as noodles? Are honeybees the only insects that visit its flowers?

Buckwheat, Tartary buckwheat, and Japanese buckwheat are all species that can be found in Japan, either cultivated or naturalized. Buckwheat, in particular, is indispensable to Japanese people as a noodle dish, but few people can distinguish between these three species as plants. These three species differ in the way their flowers grow, the shape of their fruits, etc.
plant

What species resembles the egret orchid? The flowers are visited by hawk moths! And not only that, tiny insects called thrips also play an important role in pollination! What is the "Egret Orchid Legend"?

サギソウはやや湿った場所に生息する多年草で、園芸でも人気の種類ですが、残念ながら湿地生息地の減少や盗掘が原因で環境省レッドリストでは準絶滅危惧になっている種類でもあります。近縁種は多く、サギソウの名がつく種類も多いですが、鷺のように横に平た...
plant

What are the differences between Impatiens textorii, Impatiens noli-tangere, and Balsam? We explain how to distinguish between similar species! While the flowers are supposed to be exclusively for bumblebees, many other insects also sneak onto them! The competition between Impatiens textorii and Impatiens noli-tangere was fierce!

Impatiens textorii, Impatiens noli-tangere, and Balsam are three species with boat-shaped flowers. At first glance, all three flowers look similar, and Impatiens textorii and Impatiens noli-tangere are particularly alike, as they sometimes inhabit the same wetlands. However, they can be distinguished by carefully observing the overall hairs and the color and shape of the flowers. Also, just looking at the leaves...
plant

What are the differences between sunflowers, dwarf sunflowers, and white sunflowers? We'll explain how to distinguish between similar varieties! Is it a myth that sunflowers face the sun? Why are they the national flowers of Russia and Ukraine?

Sunflowers are said to face the sun, giving them a cheerful and bright image, and they are now very familiar plants in Japan. Originally from North America, there are many species, but the types of sunflowers found in Japan are limited, mostly consisting of the common sunflower, dwarf sunflower, and dusty sunflower. Humans and sunflowers...
plant

ヒメコウゾとコウゾの違いは?ヒメコウゾの花は弾発する?コウゾの歴史とは?果実は食用になる?

ヒメコウゾとコウゾは紙として古代から利用され、ヒメコウゾについては今でも身近な緑地で見かけることのある種類です。しかし、この2種の違いについてあまりはっきりとした区別が分からないとする文献も存在し、かなり混同されてきた歴史があります。しかし...
plant

ホタルカズラとミヤマホタルカズラの違いは?似た種類の見分け方を解説!花は日陰になっても受粉できる秘密を持っていた?

ホタルカズラとミヤマホタルカズラは似た名前であるので混同されることがあるかもしれませんが、そもそもホタルカズラは在来種なのに対して、ミヤマホタルカズラは園芸種という大きな違いがあります。葉の形、花の形も見た目でわかるほど違います。ホタルカズ...
plant

What species resembles the Bletilla striata (purple orchid)? Recent research has revealed that the flowers not only deceive bees, but also utilize male bees for courtship!

シランは本来日本の本州〜沖縄に自然分布する多年草ですが、野生のものは準絶滅危惧種となっています。一方で園芸植物としても人気でどの街に行っても見かけるほどです。かつては日本の野生個体群は栽培個体が逸出したとも考えられていましたが、現在は野生分...
plant

What are the differences between *Neolitsea sericea* and *Quercus acuta*? We'll explain how to distinguish between these similar species! What are their uses? Does the difference in flower color affect their ecology?

Both *Neolitsea sericea* and *Quercus acuta* are evergreen trees belonging to the *Neolitsea* genus that are naturally distributed in Japan. Therefore, you may often see them in the wild, but their leaves are very similar in shape, which can lead to confusion. However, you can reliably distinguish them by examining the whiteness of the underside of the leaves and the color of their fruits...
Sponsored Link