Pale Grass Blue (Pseudozizeeria Maha) 大和小灰蝶（ヤマトシジミ）

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A male pale grass blue (Pseudozizeeria maha) butterfly looks completely different when its wings are open (1st photo) and closed (2nd photo). When closed, you may disregard it because it's plain, just a small white butterfly with black spots. When the wings are open, however, you would be surprised by the beautiful pale blue of the upper side of its wings as suggested by the name. (If you want to see the butterfly showing both sides, see the 3rd photo.) Butterflies are known to open their wings to bask in the sun to warm their bodies, so you're more likely to see the beautiful blue in autumn than summer.   

The pale grass blue resembles the plains cupid (Luthrodes pandava) very much except for the latter having orange spots on the wings. I once mistook a plains cupid for a pale grass blue.   

2025/11/2

2026/8/23

Obedient Plant (Physostegia Virginiana) ハナトラノオ（花虎の尾）

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The obedient plant (Physostegia virginiana) is native to North America, came to Japan from 1900 to 1920 for ornamental purposes, and can now be found across Japan, producing purple flowers from August to September. Its flowers from the front reminded me of small skullcaps (Scutellaria indica L. var. parvifolia (Makino) Makino)), but they're not related. 

2026/9/13

Blue Mistflower (Conoclinium Coelestinum) アオイロフジバカマ（青色藤袴）

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The blue mistflower (Conoclinium coelestinum) is native to North America and came to Japan in or after the Meiji period (1868-1912), producing blue flowers from July to October. Its Japanese name is "aoiro fujibakama," which translates into "blue fragrant eupatorium," after its color and resemblance to the fragrant eupatorium flower.

2026/9/13

False Heather (Cuphea Hyssopifolia) メキシコハナヤナギ（墨西哥花柳）

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The false heather (Cuphea hyssopifolia) is native to Mexico and said to have come to Japan from the Meiji to Taisho period (1868-1926).

2026/9/13

Orange Bracket Fungus (Pycnoporus Coccineus) ヒイロタケ（緋色茸）

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Orange bracket fungus (Pycnoporus coccineus) can be found in east Asia, Australia, North and South Americas, and Africa, so across Japan but Hokkaido. The mushroom is not inedible but too hard to eat. The bright orange bracket fungus is used to create natural textile dyes in Japan.

2026/9/13

Bitter Gourd (Momordica Charantia) ゴーヤ（苦瓜）

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Bitter gourds (Momordica charantia) are native to tropical Asia, came to Okinawa, i.e., one of the southern islands in Japan, in the early 15th century, and can now be found across Japan. The gourds are monoecious, which means they produce yellow, male and female flowers from July to August but it's easy to tell because the male has the yellow center while the female has the green center. They usually produce male flowers first to ensure the safe fertilization of the female ones. So, the ratio of male to female in early summer is about 10:1. 

Ripe orange gourds (scroll down) are edible including the red seeds and even jelly like stuff around the seeds. 

2026/8/10  A male flower

2020/8/8  Male and female flowers 雄花と雌花

Japanese Cornel Dogwood (Cornus Officinalis) サンシュユ（山茱萸）

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The Japanese cornel (Cornus officinalis) is native to China, Korea, and Japan and can be found across Japan. The tree produces umbels of bright yellow flowers from March to April and berries that get redder from October to November. 

The bright yellow of Japanese cornel flowers is called a "vitamin color" in Japan because it's said to energize people, which I believe is true. In spring, many stop in front of the trees to look at their pretty flowers talking about the joy of spring but surprisingly and sadly, most don't know the Japanese cornel. The Japanese cornel is one of the most underestimated trees because of their blossoming at almost the same time as cherry and Japanese apricot trees.    

2026/3/11

2026/3/11

Harlequin Glorybower (Clerodendrum Trichotomum) 臭木（クサギ）

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The color combination and contrast of harlequin glorybower's fruits always amazes me. Harlequin glorybower (Clerodendrum trichotomum) is native to east Asia and can be found across Japan, producing white flowers from July to September and fruits from October to November. The plant's Japanese name is "kusagi," which translates into "smelly tree," after its smelly stems and leaves. The fruits are blue, surrounded by red calyxes in autumn, which forms an incredibly beautiful stark color contrast.  

2026/9/9

Pink and White Bush Clovers (Lespedeza Buergeri) キハギ（木萩）

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Pink and white bush clovers (Lespedeza buergeri) can be found across Japan. Generally, bush clovers produce pink/purple flowers but this type produces flowers which have the large white upper petal (banner) with a base and the two side petals (wings) both of which are purple. Lespedeza buergeri blooms from July to September, making it the earliest to flower among the bush clovers.

2026/9/5

Japanese Winterberry (Ilex Serrata) ウメモドキ（梅擬）

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Japanese winterberry (Ilex serrata) is native to China and Japan, so can be found across Japan. The winterberry produces cute, tiny (i.e., 3-4 mm in diameter) flowers from May to July and red fruits from September to next January, which turn red.  

Its Japanese name is "ume modoki," which translates into "fake Japanese apricot," after the resemblance of its leaves and branches to those of Japanese apricot. Do they? 

2026/9/5

Japanese Chestnut (Castanea Crenata) 日本グリ（和栗）

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Finding a still-green chestnut burr on the ground made me look up at the tree above me. The Japanese chestnut (Castanea crenata) is native to Japan and Korea and can be found across Japan. Chestnuts are used for many dishes in Japan, not only sweets but also mixed rice or kuri gohan. 

There are the following types of chestnuts according to Adachi Otoemon, a confectionery shop in Kyoto: 

• Japanese chestnut (Castanea crenata)
• Western chestnut (Castanea sativa)
• Chinese chestnut (Castanea mollissima)
• American chestnut (Castanea dentata)

I want to taste them all to decide which is the sweetest😋!

2026/9/4