Flora of Josephstaal, Papua New Guinea 
Lae National Herbarium 
13738 Acanthaceae 
Ruellia sp. (Leptosiphonium) 
Madang Province, Josephstaal FMA area, ridgeline 
near Tikiam and Kumamdeber (expedition Camp 1), 
centered on GPS 281407 E, 9504560 N, elev. 530 ft. 
(ca. 160 m); mature foothill forest with numerous 
treefall gaps. 
coll, sequence 13718-13744; saxicolous herb on dark 
streambed; inflorescence contracted, corolla pale 
yellow. 
coll.: W. Takeuchi, J. Wiakabu, M. Gorrez, A. Towati 13738 
date: Aug. 2, 1999 
det.: WT; Dec. 1999 
Flora of Josephstaal, Papua New Guinea 
Lae National Herbarium 
13739 Malvaceae 
Thespesia fissicalyx Borssum Waalkes 
keys to this result on Borssum Waalkes 
Madang Province, Josephstaal FMA area, ridgeline 
near Tikiam and Kumamdeber (expedition Camp 1), 
centered on GPS 281407 E, 9504560 N, elev. 530 ft. 
(ca. 160 m); mature foothill forest with numerous 
treefall gaps. 
coll, sequence 13718-13744; arborescent; leaves 
papyraceous, lepidote, adaxially very dark green, 
abaxially medium green; epicalyx persistent, up to ca. 
9 linear segments; calyx splitting irregularly, inside 
sericeous; corolla yellow, petals ca. 4 cm long. 
coll.: W. Takeuchi, J. Wiakabu, M. Gorrez, A. Towati 13739 
date: Aug. 2, 1999 
det.: WT; November 25, 1999 
