Flora of Thailand : Volume 15 Part 2 Rubiaceae (Genera 46-82) / 
 Flora of Thailand : Volume Fifteen Part 2 Rubiaceae (Genera 46-82) 
Kongkanda Chayamarit and Henrik Balslev, Editor 
 - Bangkok :  The Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation,  2025 
 - page 237-439 
<br/><br/><label>ISBN: </label>9786163168481 
<br/><br/><label>Source: </label> 2026-03-02 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Thailand<br/>Flowers--Thailand--Identification<br/>Rubiaceae