Anaphalis margaritacea subsp. margaritacea var. margaritacea (western pearly everlasting, "Yamahahako")

Japanese name: ヤマハハコ （山母子）
Scientific name: Anaphalis margaritacea subsp. margaritacea var. margaritacea

[Overview]
A perennial growing in sunny, dry grasslands in the mountains and in the north.
It spreads by extending its rhizomes.
The stem is about 30–70 cm tall and covered with white to grayish white cottony hairs.
The leaves are simple and alternate, narrowly lanceolate, 6–9 cm long and 0.6–1.5 cm wide, and somewhat thick.
Three veins are conspicuous on the leaves, and grayish white to pale brown cottony hairs grow densely on the underside.
The leaves are entire, with the margins slightly rolled toward the underside.
Many flower heads are borne in corymbs at the branch tips.
It is dioecious.
The flower heads are pale yellow and surrounded by dry, papery white involucral bracts.
The involucral bracts are round and 5 mm long.
The fruit is an oblong achene.

[Uses]
It can be used medicinally.

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