Psychotria heterosticta E.M.A.Petit

Shrub or subshrub 0.2–2.7 m. tall, or small tree 6–7.5 m. tall, with glabrous, bifariously or less often extensively pubescent stems.. Leaf-blades elliptic, narrowly elliptic, or oblanceolate to narrowly oblong-lanceolate, 3.5–19 cm. long, 0.5–5.5 cm. wide, acute or shortly acuminate at the apex, cuneate at the base, completely glabrous or shortly pubescent on lower part of main nerve beneath, thin to slightly coriaceous; domatia absent; nodules present, usually linear or spot-like along the main nerve beneath and usually but not always some spot-like ones in the lamina; petiole obsolete or 0.5–2 cm. long, glabrous or pubescent; stipules ovate or ovate-triangular, 2.5–6 mm. long, glabrous or pubescent, divided into 2 lobes at the apex, 0.5–3 mm. long, eventually deciduous.. Flowers heterostylous, 5-merous, usually congested into umbel-like inflorescences, each branch with a ± head of flowers or in panicles 2–8 cm. long; peduncles often 2-ribbed, 1–9 cm. long, glabrous or pubescent; secondary branches 0.4–1.5 cm. long, glabrous or pubescent; pedicels 0.5–3(–5 in fruit) mm. long, glabrous or pubescent; bracts and bracteoles minute.. Calyx-tube ovoid, 0.75–1 mm. long, glabrous; limb cupuliform, 0.5–0.75 mm. long; lobes irregular, very small or rarely 0.5 mm. long.. Corolla white or yellowish green, glabrous outside; tube 2.5–4 mm. long; lobes elliptic-triangular, 2–2.5 mm. long, 0.8 mm. wide.. Stamens with filaments 1.5–2.5 mm. long in short-styled flowers, 0.3 mm. long in long-styled flowers.. Style 2–2.5 mm. long in short-styled flowers, 2.5 mm. long in long-styled flowers; stigma-lobes 0.5 mm. long.. Drupes red, subglobose, 5–7 mm. long, 6–10 mm. wide, glabrous, with 2 pyrenes; pyrenes semiglobose, similar to the seeds.. Seeds semiglobose, 4.2 mm. long, 5 mm. wide, 3 mm. thick; ventral face with a V-or U-shaped median fissure but rest of the albumen not ruminate.