Confirmation of the distribution of Solanum miyakojimense Yamazaki & Takushi (Solanaceae) in Taiwan

Solanum is a large and morphologically diverse genus comprising almost 75% of the species in the family Solanaceae. Twenty species were recorded in Taiwan. Solanum miyakojimense Yamazaki & Takushi was published in 1991 as an endemic species in Miyako Islands, Ryukyu. A careful examination of herbarium collections supplemented by field studies confirmed the occurrence of this species in Lanyu, Taiwan. In this report we provide the description, line drawings, and colored photographs taken from the natural habitat to aid in identification of this species.