Flora of Crater Mt., Papua New Guinea 
Lae National Herbarium 
11149 Rubiaceae 
Ophiorrhiza tenelliflora Valeton 
Chimbu (Simbu) Province; Crater Mt. Wildlife Management Area, 
E of Haia village; colls, centered on coordinates 6° 43’ S, 145° 00’ 
E; hill forest with some anthropogenic disturbance, altimeter elev. 
2425-2700’ (740-823 m). 
coll, sequence 11,146-11,174; mat-forming terrestrial herb in 
understory, usually prostrate; stems translucent green, juicy, 
vegetative parts provided with crisped hairs; leaves fleshy, 
adaxially shiny green, abaxial surface glaucous and papillose, 
hairy; lamina generally ovate; inflorescence erect and delicate, 
few-flowered; flowers: calyx green; corolla white, petals 5, patent 
or recurved, hairs white; stamens entirely white, included within 
the tube, attached to the base; style exserted and stigma 
capitate; fruits inconspicuous, compressed, epicarp green. 
several entire plants bottled. 
coll.: W. Takeuchi 11,149 
date: Sept. 13, 1996 
det.: WT; 12/97 
