Comanthosphace japonica f. barbinervia("Fujitenninso")
Japanese name: フジテンニンソウ(富士天人草) Scientific name:Comanthosphace japonica f. barbinervia
[Overview]
A perennial found in moist places in woodland, such as along mountain streams, often forming large colonies.
It is found mainly on the Pacific side of central Honshu, and is especially common around Mt. Fuji.
It has thick, creeping underground stems.
The stem is 50–100 cm tall and bears many spreading coarse hairs.
Leaves are simple and opposite, oblong to broadly oblanceolate, 10–25 cm long and 3–9 cm wide, with many spreading coarse hairs on the veins of the underside.
The leaf margin is toothed.
The petiole is short.
A cylindrical inflorescence 5–15 cm long is produced at the stem tip.
On the young inflorescence, broadly ovate bracts with tail-like pointed tips are attached like scales.
The flowers are tubular, 8 mm long, 2-lipped at the tip, and cream-colored.
There are 4 stamens, which project far out of the flower.
The fruit is a schizocarp.