Compilation
Psychotria zombamontana

Shrub or tree 1.5–9 m. tall with glabrous branches and smooth grey bark. Leaves 3.5–16.5 x 1–8 cm., elliptic to elliptic-oblanceolate, oblanceolate or very narrowly oblong-elliptic, acute to acuminate at the apex, sometimes the actual apex narrowly rounded, narrowly cuneate at the base, usually glabrous but sometimes with scattered ± bristly hairs on midrib beneath, rather thin to thinly coriaceous; domatia lacking or inconspicuous; petiole 2–2.5 cm. long; stipules 0.5–1.7 cm. long, ovate, acuminate, acute or obtuse, glabrous or ciliate, soon falling. Inflorescences much-branched, 3–12 x 4.5–12 cm.; lower bracts up to 2 mm. long; peduncle 3.5–9.5 cm. long, glabrous; pedicels obsolete or up to 1 mm. long, up to 9 mm. in fruit; inflorescence-axes glabrous or shortly pubescent. Calyx tube 0.8 mm. long, obconic; limb 0.5–0.75 mm. long, cupuliform, subtruncate or with short broad teeth. Corolla pale yellow or white; tube 2.5–4 mm. long; lobes 1–1.5 x 0.8 mm. triangular. Filaments 0.4 mm. long in short-styled flowers, the anthers just exserted, included in long-styled flowers; style 0.6–1.5 mm. long in short-styled flowers, exserted about 1 mm. in long-styled flowers; stigmatic lobes 0.3–0.6 mm. long. Fruits yellow to orange (immature?) to crimson-red, subglobose, 5–6 mm. long, drying very ribbed; pyrenes semi-globose with 4–5 ribs on convex face, the other face flat Seeds similar, the albumen conspicuously ruminate.