Flora of Crater Mt., Papua New Guinea 
Lae National Herbarium 
11141 Zingiberaceae 
Riedelia corallina Valeton 
Chimbu (Simbu) Province; Crater Mt. Wildlife Management Area, 
near Haia village, ascending slopes of Mt. Widau; colls, centered 
on coordinates 6° 43’ S, 145° 00’ E; hill forest with anthropogenic 
disturbance, altimeter elev. 2425-2550’ (740-777 m). 
coll, sequence 11,121-11,145; herb; leaves papyraceous, 
bullate, adaxial surface dark green, abaxially purple; leaf bases 
distichous and slightly compressed; petiole deeply and broadly 
furrowed; infructescence erect, a condensed panicle, 
indumentum sericeous; fruits 3-angled, epicarp translucent pink. 
coll.: W. Takeuchi 1 1,141 
date: Sept. 12, 1996 
det.: WT; 1/98 
Flora of Crater Mt., Papua New Guinea 
Lae National Herbarium 
11142 Marattiaceae 
Marattia sp. 
Chimbu (Simbu) Province; Crater Mt. Wildlife Management Area, 
near Haia village, ascending slopes of Mt. Widau; colls, centered 
on coordinates 6° 43’ S, 145° 00’ E; hill forest with anthropogenic 
disturbance, altimeter elev. 2425-2550’ (740-777 m). 
coll, sequence 11,121-11,145; terrestrial fern on margins of foot- 
track; stipes unarmed, dark green or black, fleshy at the base, 
surfaces densely paleaceous, scales brown; frond bipinnate, 
decrescent, c. 1.8 m total length, lamina pliant, upper surface 
dark green, pale green beneath, axes translucent yellow-green; 
pinna rachis alate between pinnules, pulvinate and somewhat 
fuscous at the junction with the rachis; ultimate segments 
crenate, on primary pinnae becoming shorter near the main 
rachis; sori supramedial or submarginal. 
coll.: W. Takeuchi 11,142 
date: Sept. 12, 1996 
det.: WT, 7/97 
