Angelica sachalinensis var. sachalinensis("Ezonoyoroigusa")
Japanese name: エゾノヨロイグサ（蝦夷鎧草） Scientific name:Angelica sachalinensis var. sachalinensis
[Overview]
A perennial found in sunny places such as forest edges in the mountains.
The stem grows 1–2 m tall; it is hollow and erect, and branches in the upper part.
The stem is usually tinged with reddish purple, and the upper nodes often have fine hairlike projections.
Leaves are alternate, 2–3 times ternately pinnately compound; the leaflets are oblong, rather thick in texture, and glossy on the upper surface.
The leaf margins are serrated.
The underside of the leaf is whitish.
The base of the leaflet often runs down onto the leaflet stalk.
The leaf stalk is swollen like a sac.
A compound umbel at the stem tip bears many small white five-petaled flowers.
The inflorescence has no involucral bracts, and bractlets are absent or few.
The fruit is an elliptic mericarp.
There is 1 oil canal under each dorsal groove and 1–2 on the commissural face.
