Japanese name: ヒトツバヨモギ（一葉蓬） Scientific name:Artemisia monophylla
[Overview]
A perennial 0.7–1 m tall, found in sunny subalpine grasslands and at forest edges.
It has long rhizomes that extend sideways and often forms colonies.
The stems grow in clusters, are erect, and usually do not branch.
The leaves are simple and alternate, oblong-lanceolate, 6.5–14 cm long and 2–4 cm wide, with sharply pointed tips.
The leaf margins have sharp teeth.
The undersides of the leaves are densely covered with white cottony hairs and look white.
The flower heads form slender conical spikes; each is bell-shaped, 0.2–0.3 cm across, and pale yellow, with no ray florets.
The fruit is an achene 0.2 cm long.
[Notes]
The Japanese name means a mugwort (yomogi) whose leaves are not cut.
