Japanese name: ハナハマセンブリ Scientific name:Centaurium tenuiflorum
[Overview]
An annual or biennial about 20 cm tall, found in vacant lots and similar places.
The stem is hollow with 4 ridges and branches freely in the upper part.
There are both basal leaves and stem leaves; the basal leaves do not form a rosette.
The leaves on the stem are simple, opposite, obovate and entire.
Many flowers are borne at the stem tips, about 8 mm across and pink.
The corolla is 5-lobed, and the calyx lobes are about 1/2 the length of the flower tube.
There are 5 stamens, which protrude slightly from the corolla together with the pistil.
The fruit is a capsule.
[History]
An naturalized plant, it was reported in Kanagawa in 1988.
