Flora of Papua New Guinea 
Lae National Herbarium 
13136 Rubiaceae 
Psychotria leptothyrsa Miq. var. leptothyrsa 
Morobe Province; NW of Waria River; foothills N of 
Wara Pao near Yai Village, colls, centered on 7° 57’ 
14” S, 147° 35’ 55” E, natural growth hill forest with 
low-statured canopy and open understory; elev. 150 
m. 
collection sequence 13134-13151; understory shrub, 
3-4 m in height; branchlets slightly compressed at the 
top, otherwise terete, smooth, green or very pale 
brown; stipules subpersistent, fleshy, acuminate; 
leaves fleshy, adaxially dark dull green, abaxially light 
green; petiole smooth, green, adaxially flattened; 
infructescence axes white, monoaxial, calyx persisting; 
fruits obovoid. 
coll.: W. Takeuchi et al. 13136 
date: June 5, 1999 
det.: WT, April 2001 
Flora of Papua New Guinea 
Lae National Herbarium 
13137 Myristicaceae 
Horsfieldia cruxmelitensis Markgrf. 
Morobe Province; NW of Waria River; foothills N of 
Wara Pao near Yai Village, colls, centered on 7° 57’ 
14” S, 147° 35’ 55” E, natural growth hill forest with 
low-statured canopy and open understory; elev. 150 
m. 
collection sequence 13134-13151; subarbo rescent ca. 
4 m in height; branchlets terete, not lined; leaves 
herbaceous, adaxially dark dull green, abaxially 
medium green; veins deeply impressed above, 
prominent beneath; infructescence axes very short, 
unbranched or hardly branched, surfaces shiny green; 
fruits ovoid, dull yellow-green turning red when ripe, 
opening on 2 valves, arillode entire, bright orange. 
coll.: W. Takeuchi et al. 13137 
date: June 5, 1999 
det.: WT, April 2001 
