2023-11

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ノボタンとシコンノボタンの違いは?似た種類の見分け方を解説

ノボタンとシコンノボタンはいずれもノボタン科に含まれ、特にシコンノボタンは有名で南方系ではあるものの、寒さに比較的強く本州でもよく栽培されているのを見かけます。園芸ではシコンノボタンのことを「ノボタン」と呼ぶことがあり、混乱の元となっていま...
plant

What are the differences between Japanese honeysuckle and American honeysuckle? An explanation of how to distinguish between similar species.

Japanese maple (Acer pycnanthum) and American maple (Acer pycnanthum) are both members of the Acer genus in the Sapindaceae family, characterized by their beautiful autumn foliage. In spring, Japanese maple blooms with red flowers before its leaves open, which is the origin of its Japanese name. However, these trees look similar and can be difficult to distinguish. Although there are differences in leaf size and shape, there is considerable individual variation, so differentiation is not always easy. This article focuses on the classification of Japanese maple and American maple.
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What are the differences between shiso (perilla), egoma (perilla), and lemon egoma? An explanation of how to distinguish between similar varieties.

Shiso, egoma, and lemon egoma are all annual plants belonging to the Lamiaceae family, genus Perilla, and possess a unique aroma and taste. Shiso and egoma, in particular, have been cultivated since ancient times and are now used primarily in pickled plums and dressings, making them extremely familiar plants to Japanese people. However, shiso and egoma...
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What are the differences between Gomphrena globosa (globe amaranth) and Gomphrena globosa (yellow gomphrena)? What are the differences between them and crape myrtle (Lagerstroemia indica), Sanguisorba officinalis (burnet), and white clover (Trifolium repens)? We'll explain how to distinguish between similar species.

Both Gomphrena globosa (globe amaranth) and Gomphrena globosa (yellow globe amaranth) belong to the genus Gomphrena in the Amaranthaceae family. Their bright, almost fluorescent-colored flowers and long flowering periods make them popular ornamental plants frequently planted in gardens. However, the differences between these two species are not well understood...
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What are the differences between Cassia obtusifolia (Ketsumeishi), Cassia occidentalis (Habuso), and Cassia tomentosa? We explain how to distinguish between similar species! And "Habu tea" isn't actually made from Cassia occidentalis!?

Cassia obtusifolia, Cassia japonica, and Cassia nomame are all annual plants belonging to the legume family, and were formerly classified in the same genus. Their common characteristics include once-pinnately compound leaves with opposite leaflets, and flowers with five yellow petals of almost identical shape...
plant

What are the differences between snake gourd, yellow snake gourd, and wild gourd? We explain how to distinguish between similar species! Is the "creepy" appearance of the flowers a result of evolution?!

Trichosanthes cucumeroides, Trichosanthes cucumeroides, and Trichosanthes spp. all belong to the Trichosanthes genus of the Cucurbitaceae family. They are herbaceous plants that share several common characteristics: they produce large, fused-petal flowers with a finely divided corolla resembling lace, and they bear fairly large, yellow to red fruits for wild species. Trichosanthes cucumeroides and Trichosanthes spp....
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What are the differences between Bidens pilosa, Bidens frondosa, Bidens pilosa, and Bidens serrata? An explanation of how to distinguish between similar species.

Bidens pilosa, Bidens frondosa, Bidens pilosa, and Bidens serrata are all annual plants belonging to the Bidens genus of the Asteraceae family. Their most distinctive feature in relation to humans is that their fruits are "burrs." They grow along roadsides and around bodies of water, clinging to animal fur and human clothing...
plant

セイタカアワダチソウ・アキノキリンソウ・ミヤマアキノキリンソウの違いは?キリンソウとの違いは?似た種類の見分け方を解説

セイタカアワダチソウ・アキノキリンソウ・ミヤマアキノキリンソウはいずれもキク科アキノキリンソウ属に含まれ、秋に小さめの黄色い花(正確には頭花)を咲かせる代表的な多年草です。特にセイタカアワダチソウは地域によっては大繁殖するため、よく知られて...
plant

What are the differences between periwinkle, climbing periwinkle (Vinca), and dwarf climbing periwinkle? An explanation of how to distinguish between similar species.

Periwinkle, climbing periwinkle, and dwarf periwinkle all belong to the Apocynaceae family and are cultivated in Japan for ornamental purposes, frequently seen even in urban areas. They are popular for their interesting features, such as their fused petals with five propeller-shaped lobes at the tip, but their names are similar, especially the climbing periwinkle...
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