Lasianthus griffithii Wight

Zhu, H., Roos, M. C. & Ridsdale, C. E., 2012, A taxonomic revision of the Malesian species of Lasianthus (Rubiaceae), Blumea 57 (1), pp. 1-102 : 45

53. Lasianthus griffithii Wight

Key to the varieties

1. Branchlets glabrous to stiffly hirsute; leaves glabrous to sparsely hirsute, nervules slightly prominent beneath.......................................... a. var. griffithii

1. Branchlets completely glabrous; leaves with stiffing hairs on both surfaces, nervules conspicuously elevated beneath.................................. b. var. scabridus