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Aster hispidus var. koidzumianus

Aster hispidus var. koidzumianus ("Buzennogiku")

Japanese name: ブゼンノギク (豊前野菊)
Scientific name: Aster hispidus var. koidzumianus

Aster hispidus var. koidzumianus

[Overview]
A biennial 0.6–1.5 m tall, found on sunny rocky places and cliffs in the mountains of northern Kyushu.
It is usually hairless throughout.
The stem branches well.
There are basal leaves and stem leaves; the basal leaves and the lower leaves of the stem have withered by flowering time.
The stem leaves are simple and alternate, narrowly lanceolate to spatulate-linear, 5–7.5 cm long, entire, somewhat thick, with the base gradually narrowing.
Flower heads are borne at the branch tips; they are 3–4 cm across, with pale purple ray florets and yellow tubular florets.
The involucre is dish-shaped, and the involucral bracts are in 2 rows.
The achene is a flattened obovate shape 2.5–3 mm long; the pappus of the tubular florets is about 3–4 mm long and tinged reddish brown, while the pappus of the ray florets is about 0.5 mm long and white.

Details

Names
Japanese: ブゼンノギク(豊前野菊)
Life form
Winter annual
Habit
Terrestrial
Flowering season
October, November
Distribution or origin
Japan (northern Kyushu)
Height
600–1500 mm
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Alternate, Basal
Leaf margin
Entire
Inflorescence
Head
Flower color
Purple
Leaf color
Green
Designated plants
NT: Near Threatened, Endemic to Japan

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

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