Psychotria butayei De Wild.

Shrub or subshrub with simple or branched stems 0.15–1.2(–2) m. tall from a woody rhizome or with many short unbranched stems from a woody stock; stems dull purplish, glabrous or pubescent, longitudinally rugose or ribbed.. Leaves often missing from the lower nodes; blades ovate to obovate or narrowly elliptic, 3.5–10 cm. long, 0.7–4.5 cm. wide, obtuse to acute at the apex, cuneate at the base, completely glabrous or sometimes pubescent on both sides, thin to thinly coriaceous, sometimes drying blackish-to yellowish-green; domatia absent; nodules absent or sometimes a few long tubercular ones along the main nerve; petiole 0–1 cm. long, glabrous; stipules ovate-triangular, 4–6 mm. long, acuminate or narrowly bifid at the apex, glabrous or pubescent outside but with ferruginous hairs within, deciduous.. Flowers heterostylous, 5-merous, in sparsely branched often condensed panicles 2–6 cm. long; peduncle 1–5 cm. long, glabrous or pubescent; secondary branches 0.5–2 cm. long; pedicels 1–2 mm. long, glabrous; bracts and bracteoles minute.. Calyx-tube obconical, 0.75 mm. high, glabrous; limb cupuliform, 0.75–1 mm. tall, glabrous; lobes ± triangular, 0.5–1 mm. long, glabrous or margined with hairs.. Corolla white, glabrous or densely minutely papillate outside; tube 4–6 mm. long; lobes triangular, 1.75–3 mm. long, 1.5 mm. wide, thickened at the apex.. Stamens with filaments 3–3.5 mm. long in short-styled flowers, obsolete in long-styled flowers.. Style 3 mm. long in short-styled flowers, 4.5–6 mm. long in long-styled flowers; stigma-lobes ± 1 mm. long.. Drupes red, transversely ellipsoid, divided into 2 subglobose parts by a median groove, with 2 pyrenes, 5.5–7 mm. tall, 7.5–10 mm. wide, or sometimes subglobose, ± 6 mm. in diameter and containing only 1 pyrene; pyrenes subglobose, 5–7 mm. long, 5–7 mm. wide, 4–5 mm. thick, both faces entire.. Seed sub-globose, ventral face deeply ruminate, usually with a deep median fissure which is branched within, dorsal face scarcely or not ruminate.