Mandevilla acutiloba (A. DC.) R. E. Woodson

Mandevilla rosana (Donn. Smith) Woodson,
Ann. Mo. Bot. Gard. 19: 56. 1932.
Echiies Rosana Donn. Smith, Bot. Gaz. 40: 6. 1905.
Suffruticose liana, glabrous or essentially so; leaves firmly membranaceous, lanceolate to narrowly ovate-lanceolate, 6-12 cm. long, 1.5-3 cm. broad, acuminate, abruptly and obscurely cordate at the base, the petioles 3-5 mm. long; racemes alternateaxillary or subterminal, simple, equaling or somewhat surpassing the leaves, bearing 6-15 yellowish flowers ; pedicels 7-10 mm. long; calyx-lobes ovate-lanceolate, 3-4 mm. long, the squamellae in alternate
groups of 5 or 6; corolla salverform, glabrous externally, the tube 14-16 mm. long, about 2
mm. in diameter at the base, the lobes obliquely obovate-oblong, 6-7 mm. long, spreading;
stamens inserted about the middle of the corolla-tube, the anthers with rounded auricles; follicles unknown.
Type locality: Buena Vista, Santa Rosa, Guatemala; alt. 1000 meters. Distribution: Known only from the type locality.

Mandevilla acutiloba (A. DC.) Woodson, Ann
Mo. Bot. Card. 19: 54. 1932.
Eckites acutiloba A. DC. in DC. Prodr. 8: 451. 1844. Amhly anther a acutiloba Muell.-Arg. Linnaea 30: 426. 1860.
Suffruticose liana, glabrous or essentially so throughout; leaves membranaceous, lanceolate to broadly elliptic-lanceolate, 5-8 cm. long, 1.5-3 cm. broad, acuminate, obscurely cordate at the base; inflorescence alternate-axillary, about as long as the leaves, bearing 7-12 yellowish flowers; pedicels 17.5-20 mm. long; calyx-lobes lanceolate to oblong-lanceolate, acuminate, 2.5-5 mm. long, glabrous, the squamellae in alternate groups of 4-6; corolla salverform, glabrous externally, the tube 15-17.5 mm. long, about 2 mm. in diameter at the base, the lobes obliquely oblong-lanceolate, acuminate, about 5 mm. long, spreading; follicles unknown.
Type locality: Peru (?). Distribution: Chiapas.