EVERGREEN

Plant Encyclopedia

Ixeridium alpicola ("Takanenigana")

Japanese name: タカネニガナ (高嶺苦菜)
Scientific name: Ixeridium alpicola

[Overview]
A perennial about 7–17 cm tall, found on rocky ground in the high mountains.
The stem is hairless.
The leaves are of two kinds, basal leaves and stem leaves, and the basal leaves remain even at flowering.
The basal leaves are whitish green, oblanceolate, 2–8 cm long and 0.5–1 cm wide, with entire margins or teeth, and the base gradually narrows into the leaf stalk.
The stem leaves are alternate and linear.
The stem tip bears 5–10 flower heads in a corymb-like arrangement.
The flower heads are yellow, 2 cm across, and consist of 9–10 ray florets, each with fine notches at the tip.
The fruit is an achene with a pappus.

Details

Names
Japanese: タカネニガナ(高嶺苦菜)、ホソバノタカネニガナ(細葉高嶺苦菜)
Life form
Perennial
Habit
Terrestrial
Flowering season
May, June, July, August
Distribution or origin
Japan (Honshu, Shikoku, Kyushu)
Height
70–170 mm
Leaf shape
Simple leaf (unlobed), Linear
Leaf arrangement
Alternate, Basal
Inflorescence
Head
Flower color
Yellow
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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