HOUSE, THE GENUS IPO MCE A 
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Convolvulus bellus Spreng. Syst. 1: 590. 1825. 
Ipomoea radicans Bertol.; Choisy in DC. Prodr. 9: 389. 1845. 
Ipomoea gracillima Prain, Journ. As. Soc. Beng. 63: 111. 1894. 
Ipomoea spirale House, Muhlenbergia 3: 40. 1907. 
Slender, glabrous or nearly so; leaf-segments linear-lanceolate, acute or acumi¬ 
nate at each end, 1-3 cm. long, entire or the outer ones bifid; petioles longer than 
the blades or shorter; peduncles filiform, as long as the petioles or longer, frequently 
twisted and tendril-like, used in climbing; pedicel 8-16 mm. long, stouter than the 
peduncle; bracts minute, about 1 mm. long; sepals equal, narrowly ovate or lanceo¬ 
late, 4-5 mm. long, becoming 6-7 mm. long in fruit; capsules 10 mm. high or less; 
corolla pale violet, campanulate-funnelform, 18-30 mm. long. 
Type locality: East Indies. 
Distribution: Tropics of the Old World. West Indies, Mexico to 
Central America, Peru and Brazil. Introduced into Louisiana. 
Specimens examined : Porto Rico: Guanica, Sintenis 8679, 1886 (G). 
Mexico; Yaqui River, Palmer 21^, 1864 (N.). Louisiana: near New Orleans, 
R. S. Cocks, June 1905 (Y). 
80. Ipomoea quinquefolia L. Sp. PI. 162. 1753. 1 
Convolvulus foliis digitatis glabris, caule laevi, Roy. Lugdb. 429. 
Convolvulus quinquefolius glaber americanus, Plukn. Aim. 116, pi. 167. /. 6. 
Convolvulus quinquefolius L. Syst. ed. 10, 923. 1759.— Desr. in Lam. Encyc. 3: 
566. 1789. 
Convolvulus palmatus Mill. Diet. No. 8, 1768. 
Convolvulus hispaniolce Spreng. Syst. 1: 590. 1825. 
Convolvulus ampelopsifolius Cham. & Schlecht., in Linnaea 5: 118. 1830. 
Pharbitis quinquefolia Raf. FI. Tellur. 4: 81. 1838. 
Fraxima quinquefolia Raf. 1. c. 83. 
Latrienda palmatus Raf. 1. c. 81. 
Ipomoea hispaniolce G. Don, Gen. Syst. 4: 1838. 
Batatas quinquefolia Choisy, Conv. Rar. 127. 1837.— In DC. Prodr. 9: 339. 1845. 
Merremia quinquefolia Hallier f. Bot. Jahrb. 16: 552. 1893. 
Type locality: America. 
Distribution: Thickets, West Indies and Mexico to Central America, 
Brazil and Peru. 
1 Not closely related to the African species, Ipomoea quinquefolia Hotchster, which may 
well take the following name. 
Ipomoea hochsteri nom. nov. 
Ipomoea quinquefolia Hochst., Hallier f. Bot. Jahrb. 18: 147, 1894.— Native of tropical 
and southern Africa, cf. Baker & Rendle in Dyer, FI. Trop. Afr. 42; 177. 1905. 
