Notes For Reference:-　

Species, Varieties, or Forms in the Genus Galium:

Galium_gracilens_/_Himeyotsubamugura
Galium_japonicum_/_Kurumamugura
Galium_kamtschaticum var. acutifolium_/_Oobanoyotsubamugura
Galium_kikumugura_/_Kikumugura
Galium_kinuta_/_Kinutasou
Galium_odorata_/_Kurumabasou
Galium_spurium_var. echinospermon /_Yaemugura
Galium_trachyspermum_/_Yotsubamugura
Galium_trifloriforme_/_Okukurumamugura
Galium_trifidum ssp. colombianum_/_Hosobanoyotsubamugura
Galium_verum ssp. asiaticum_/_Kibanakawaramatsuba
Galium_verum ssp. asiaticum f. lacteum_/_Kawaramatsuba
　

Galium japonicum / Kurumamugura クルマムグラ

Galium japonicum is a perennial herb found on forest floors in mountainous regions, with stems growing to 20-50cm in height, characterized by four vertical ridges that are unprickly. Leaves are generally in whorls of six, each in the shape of a lanceolate, 1-3cm long. Stem tops bear cymes and set approximately ten white flowers; corollas are around 2.5cm in diameter, and tips are cleft in four. Calyxes have long hair. Bloom time: June-July.