Rubiaceae Juss.

Hexasepalum Bartl. ex DC.

, legitimate

, scientific

Candolle, A.P. de in Candolle, A.P. de (ed.) (1830), Rubiaceae.

Prodromus Systematis Naturalis Regni Vegetabilis

4

:

561

[tax. nov.]

Kirkbride, J.H. & Delprete, P.G. (2015), New combinations in Hexasepalum (Rubiaceae: Spermacoceae).

Journal of the Botanical Research Institute of Texas

9(1)

:

104

[secondary reference]