7-9月
Blood Basin Herb, Luo Han Cao, Po Luo Zi, Po Luo Zi, Dan Ye Bo Luo Zi, Fan Bei Hong, Zhu Sha Cao, Ye Xia Hong, Hong Qing Cai
Var. erythrophylla often has larger leaves mostly basal, usually pinnate compound with 1-2 pairs of leaflets, occasionally simple, with serrate margins. The undersides are purple and both surfaces are sparsely to nearly hairless.
The flowers are purple or purplish-red, with a corolla tube extending slightly beyond the calyx, lips 3-lobed with the middle lobe inverted-heart shaped and side lobes ovate-triangular.