Genus Willowsia Shoebotham

Willowsia sp. or cf. Willowsia sp.*

Source: Takeda (1981), Deharveng et al. (1989).

Distribution in Thailand. Chiang Mai (N), Khon Kaen (NE). Habitat: at 2000–2500 m. in Doi Inthanon forest; soil s.l. in mixed dry deciduous forest at 800 m. in Khon Kaen province (Takeda 1981).