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Plant Encyclopedia

Astilbe thunbergii var. kiusiana

Astilbe thunbergii var. kiusiana ("Terihaakashoma")

Japanese name: テリハアカショウマ (照葉赤升麻)
Scientific name: Astilbe thunbergii var. kiusiana

Astilbe thunbergii var. kiusiana

[Overview]
A perennial 40–80 cm tall, found at woodland edges and in bright woodland in the mountains.
It has a rhizome.
There are basal leaves and stem leaves, both three times ternately compound.
The leaflets are elliptic to narrowly ovate, 4–10 cm long and 2–4.5 cm wide, with a glossy upper surface and irregular double serrations on the margins.
The flower stalk is often tinged with red at the base and bears a compound raceme at its tip.
Several branches at the base of the inflorescence grow remarkably long, while the upper part is almost unbranched.
The flowers are white, often tinged with pale pink, with 5 petals; the petals are spoon-shaped, 3 mm long, and longer than the stamens.
The fruit is a capsule 2–3 mm long.

Details

Names
Japanese: テリハアカショウマ(照葉赤升麻)
Life form
Perennial
Habit
Terrestrial
Similar plants
Flowering season
May, June, July
Distribution or origin
Japan (Kyushu)
Height
400–800 mm
Leaf shape
Trifoliate compound leaf
Leaf arrangement
Alternate, Basal
Leaf margin
Doubly serrate
Number of petals
5
Flower color
Pink, White
Leaf color
Green
Designated plants
Endemic to Japan

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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