Lasianthus oligoneurus Schumann (1902:340)

Napiroon, Tiwtawat, Chayamarit, Kongkanda, Dawson, Sally, Till, Walter & Balslev, Henrik, 2020, A synopsis of Lasianthus (Lasiantheae, Rubiaceae) in Thailand and two additional new species, Phytotaxa 439 (1), pp. 1-38 : 23-24

41. Lasianthus oligoneurus Schumann (1902:340) . Type: ― THAILAND. Trat, Koh Chang island, near Lem Dan, E. J. Schmidt 390 (holotype C10018244 image!).

T hailand: ―Only known from the type collection.

Distribution: ―Endemic to Thailand (South-Eastern).

Ecology: ―Evergreen forest on Koh Chang island at elevations of 100‒ 200 m.

Notes: ― Lasianthus oligoneurus is only known from the type speciemen and the original publication. Its dominant characters are that the branches and branchlets are puberulous, the leaves are oblong and 9‒12 × 3‒4 cm, the petioles are 5‒6 mm long, the leaves have 4 pairs of secondary veins, the stipules are triangular and 3 mm long and strigillose, the drupes are trilocular, and the fresh fruits are blue.