det: WT 
Flora of Papua New Guinea 
Lae National Herbarium 
9291 Acanthaceae 
Calophanoides angustata (Warb.) Bremck. 
=Calycacanthus magnusianum K. Sch. 
Morobe province; Atzera Range, inland from the 9 mile settlement, 
lowland rainforest at elev. 200-400 m. 
2 m understory shrub in shade; stems slender, terete, pale brown 
becoming green and compressed at the apices, glabrous; leaves 
opposite, spreading, exstipulate, glabrescent, herbaceous to chartaceous, 
adaxial surface medium shiny green x abaxially light shining green; 
lamina elliptic or lanceolate, typical blade 13 x 5.5 cm, apex acuminate, 
margin entire, base rounded; lateral venation in 8-10 pairs, divergent then 
arcuate and closing by marginal loops, reticulated, the plexus irregular, 
veins impressed above with the surface occasionally sub-bullate, below 
all veins raised; petioles 2-3 mm, light green, glabrous, flattened on the 
adaxial face; nodes dilated, a transverse ridge sometimes connecting the 
leaves; fruits not seen; inflorescence axillary, racemose, to c. 7 cm length, 
axes shiny light green and glabrous; bractlets small, acute or acuminate; 
flowers zygomorphic, 5 cm long; calyx deeply 5-partite, green, glabrous, 
the segments appressed to the base of the corolla tube and not 
spreading; corolla sympetalous, bilabiate, segments 4 (3 narrow ones 
somewhat conform and 1 dilated and emarginate dorsal lip), all light 
purple, outer surface of tube glabrous, adaxially papillose on the petals; 
androecium of 2 stamens, glabrous; filaments adnate to the corolla c. 
halfway from the throat; anthers basifixed; ovary shiny green, superior, 
the style translucent white; stigma obscure, entire gynoecium glabrous, 
flowers bottled, at A. 
coll. W. Takeuchi 9291 
date: Dec. 6, 1993 
