长叶蓬子菜 chang ye peng zi cai

Galium verum subsp. asiaticum (Nakai) T. Yamazaki.

Plants stout, 50-120 cm tall. Leaf blade to 5-7 cm, glabrous and smooth adaxially. Corolla yellow. Ovary and mericarps glabrous. Fl. and fr. Jun-Aug.

Mountain grasslands, open fields, river beaches; below 100-1700 m. Anhui, Gansu, Hebei, Heilongjiang, ?Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, Shandong, Shanxi, Sichuan, Zhejiang [Japan, Korea, Russia].

According to Yamazaki (Fl. Japan 3a: 240. 1993) Galium verum subsp. asiaticum includes all Japanese forms of G. verum and differs from the typical subspecies by longer leaves and hirsute (not minutely pubescent) stems.