The genus Trichosanthes L. (Cucurbitaceae) in Thailand

Trichosanthes (Cucurbitaceae) in Thailand comprises 17 species, seven of which have been described as new here: T. dolichosperma Duyfjes & Pruesapan, T. erosa Duyfjes & Pruesapan, T. inthanonensis Duyfjes & Pruesapan, T. kostermansii Duyfjes & Pruesapan, T. pallida Duyfjes & Pruesapan, T. phonsenae Duyfjes & Pruesapan, and T. siamensis Duyfjes & Pruesapan. Two new subspecific entities have been described: T. pubera Blume subsp. rubriflos (Cayla) Duyfjes & Pruesapan var. fissisepala Duyfjes & Pruesapan, and T. tricuspidata Lour. subsp. javanica Duyfjes & Pruesapan. A key to taxa, descriptions with distributional and ecological data and illustrations are presented.