| + | Plants of somewhat doubtful affinity, having been referred to different families: rhizome short and thick, often stoloniferous: st. very short, the lvs. narrow and crowded, the fls. on simple scapes, small, violet or whitish; segms. distinct: stamens 6, hypogynous; ovary 3-celled, each cell 2-ovuled.— Species about 3, China, Japan, Philippines. Little cult. |