Rondeletia amplexicaulis Urb.

Rondeletia amplexicaulis Urban, Symb. Ant. 5: 502. 1908
Shrub, 4-5 meters high, the branches very stout, terete or subangulate, grayish-brown, rimose, glabrous; stipules deltoid, 8-10 mm. long, subulate-acuminate, thick, appressed, persistent, reddish-brown and glabrous outside, sericeous within; leaves opposite, sessile, the blades obovate, obovate-elliptic, or oblong-obovate, 15-39 cm. long, 7-15 cm. wide, narrowed to the truncate or cordate base, more or less clasping, subabruptly acuminate at the apex, chartaceous-coriaceous, glabrous, lustrous above, subconcolorous, often vinaceous, the veins sulcate above, prominent beneath, the costa stout, the lateral veins slender, 10-12 on each side, arcuate, ascending at an angle of about 60°; inflorescence axillary, corymbose or paniculate, nearly equaling or shorter than the leaves, the peduncles 6-10 cm. long, compressed, the pedicels 4 mm. long or shorter; lower bracts oblong, foliaceous. the others linear, pilosulous on the margins, the bractlets minute, subulate; hypanthium glabrous or very sparsely and minutely pilosulous; calyx-lobes 5, linear-subulate, attenuate, 1.5-2 mm. long, equaling or slightly longer than the hypanthium, erect; corolla glabrous or obscurely pilosulous outside, the tube cylindric, 9-12 mm. long, 1.5 mm. thick below, the throat annular-thickened, the 5 lobes rounded, 2.5 mm. long, spreading, minutely pilosulous within; anthers included, 1.5-2 mm. long, the filaments very short; capsule subglobose 4-5 mm. long, 5-7 mm. broad, glabrous except at the summit inside the calyx, there densely and minutely pilose; seeds flat, 1-1.5 mm. long, irregularly winged, brownish-yellow.
Type locality: Shaded stream-banks, Troy, Jamaica, at an altitude of 500 meters. Distribution: Jamaica.

Rondeletia amplexicaulis is a species of plant in the family Rubiaceae. It is endemic to Jamaica.