Chenopodium acuminatum var. acuminatum("Marubaakaza")
Japanese name: マルバアカザ Scientific name:Chenopodium acuminatum var. acuminatum
[Overview]
An annual found on sandy beaches along the coast and similar places.
The stem branches and stands erect or rises obliquely, reaching 20–60 cm tall.
The leaves are simple and alternate, oblong-ovate to broadly ovate, thick, with petioles.
The undersides of the leaves have powdery hairs.
The leaf margins are entire, with a thin, membranous, translucent border.
It flowers from summer to autumn, but in warm regions it begins flowering in late spring.
Spike-like inflorescences emerge from the stem tips and upper leaf axils; the inflorescences branch, and the axis bears transparent tubular hairs.
The flowers are small and yellowish green, borne in clusters of 8–10 at each node of the inflorescence.
The fruit is an oblate utricle, and the seeds are glossy black.
Kawara-akaza has narrow leaves and its inflorescences usually do not branch.