Australian Tropical Rainforest Plants - Online edition
Psychotria coelosperma F.M.Bailey
Bailey, F.M. (1904) Queensland Agricultural Journal 15(1): 492. Type: Barron River, 1877, Bailey. Mestons Expedition to Bellenden-Ker, 1904.
A slender vine not exceeding a stem diameter of 2 cm.
Leaf blades about 7.5-14 x 3.5-7 cm, petioles about 1-2.5 cm long, transversely wrinkled. Lateral veins forming loops inside the blade margin. Stipules interpetiolar, broadly triangular, about 8 x 6 mm.
Flowers about 4-5 mm diam. Hypanthium, calyx tube and lobes about 3 mm long. Calyx lobes fimbriate. Corolla tube about 3.5 mm long, lobes about 2.5 mm long, recurved. Corolla tube densely hairy on the inner surface just below the throat. Stamens about 3 mm long. Ovules one per locule. Style and stigma about 3 mm long, stigma bifid.
Cotyledons broadly ovate, about 10-14 x 7-11 mm, petioles about 1-2 mm long. Cotyledonary stipules and petioles clothed in brown glands. Cotyledonary stipules triangular, about 1.5-2 mm long. First pair of leaves linear or linear-lanceolate, the blades about 30-35 x 8 mm, petioles about 2-3 mm long. At the tenth leaf stage: leaf blade about 6-8 x 2-2.5 cm, apex acute to acuminate, base cuneate to attenuate, petiole about 4-7 mm long. Midrib flush with the upper surface of the leaf blade. Stipules interpetiolar, connate at the base forming a sheath around the stem ending in two aristate or mucronate tips about 1-2 mm long. Tips usually have toothed or lobed margins.