Glabrous. Leaves opposite; lamina elliptic to ovate, 10-20 by 4-10 cm, shortly cuneate or truncate at the base to a distinct petiole 20-30 mm long, obtuse at the apex, glossy green above, dull red-brown below; venation pinnate with the midrib very prominent below and the main laterals obscure on both sides. Inflorescences at the nodes, a raceme of c. 9 opposite evenly spaced pairs of triads with the central flower sessile and the lateral flowers shortly pedicellate or subsessile; axis 30-65 mm long, subtended at the base by an involucre of several pairs of scarious broadly triangular bracts up to 6 mm long; peduncles of the triads 4-10 mm long, secund; pedicels of the lateral flowers 0.5-1.5 mm long. Corolla in mature bud 6-merous, 22-33 mm long, moderately robust, weakly clavate and obtuse at the apex, mostly red or yellow below and yellow or green above; petals in the open flower separating completely or almost to the base. Anther 3.5-5 mm long, acute, 3-4 times as long as the free part of the filament.
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