Plumeria krugii Urb.

It is similar to the previous species but the leaves rounded or retuse at both ends, flowers larger, c. 8 cm across, white tinged yellowish but not tinged externally with pink.

Trees to 5 m tall. Branchlets pale green, thick, fleshy. Petiole puberulent; leaf blade obovate to narrowly so, dark green and shiny adaxially, tertiary venation strongly prominent abaxially, apex rounded. Corolla white, ca. 4 cm in diam., throat yellow; lobes spreading, slightly recurved. Follicles to 15 X 1.5 cm. 2n = 36.

Distribution: A native of Southern Mexico and W. Indies, commonly cultivated in gardens.

Fl. Per.: May-July.

Guangdong, Guangxi, Hainan, S Yunnan [native of the Caribbean Islands]

Plumeria obtusa L. Sp. PI. 210. 1753
Plumeria Tenorii Gasp. Oss. Piante Orto Bocc. 20. 1832.
Plumeria obtusa var. parviflora Griseb. Mem. Am. Acad. II. 8: 519. 1862.
Plumeria obtusa var. laevis Griseb. Mem. Am. Acad. II. 8: 519. 1862.
Plumeria clusioides Griseb. Cat. PI. Cub. 171. 1866.
Plumeria emarginata Griseb. Cat. PI. Cub. 171. 1866.
Plumeria clusioides var. parvifolia Maza, Ann. Soc. Ksp. Hist. Nat. 23: 273. 1895.
Plumeria Krugii Urban, Symb. Ant. 1: 387. 1899.
Plumeria bahamensis Urban, Symb. Ant. 1: 387. 1899.
Plumeria portoricensis Urban, Symb. Ant. 1: 387. 1899.
Plumeria Marchii Urban, Symb. Ant. 3: 334. 1902.
Plumeria inaguensis Britton, Bull. N. Y. Bot. Gard. 3: 448. 1905.
Plumeria jamaicensis Britton, Bull. Torrey Club 37: 356. 1910.
Plumeria confusa Britton, Bull. Torrey Club 42: 505. 1915.
Plumeria nipensis Britton. Bull. Torrey Club 42: 505. 1915.
Plumeria venosa Britton, Bull. Torrey Club 42: 506. 1915.
Plumeria barahonensis Urban, Repert. Sp. Nov. 14: 341. 1916.
Plumeria apiculata Urban, Repert. Sp. Nov. 16: 36. 1919.
Plumeria montana Britton; Britton & Wilson, Bull. Torrey Club 50: 46. 1923.
Plumeria Ostenfeldii Urban, Dansk Bot. Ark. 4': 8. 1924.
Plumeria beatensis Urban, Dansk Bot. Ark. 4'^: 9. 1924.
Plumeria dictyophylla Urban, Symb. Ant. 9: 239. 1924.
Plumeria Ekmanii Urban, Symb. Ant. 9: 239. 1924.
Plumeria estrellensis Urban, Symb. Ant. 9: 240. 1924.
Plumeria cayensis Urban, Repert. Sp. Nov. 21: 218. 1925.
Plumeria cubensis Urban, Repert. Sp. Nov. 21: 219. 1925.
Plumeria cuneifoUa Helwig; Urban, Ark. Bot. 22AiO: 44. 1929.
Small tree or shrub, 2-6 m. tall; leaves usually coriaceous or subcoriaceous, or infrequently firmly membranaceous, obovate to ob ovateoblong, varying greatly in outline, 3.5-18 cm. long, 1-8.5 cm. broad, rounded, emarginate, or very shortly acuminate-submucronulate at the apex, obtuse or rounded to acutely cuneate at the base, usually more or less lustrous above, wholly glabrous or essentially so, the secondary veins oblique, essentially straight, or infrequently broadly arcuate, the marginal veins well developed, usually only slightly sinuous, the petioles 1-4 cm. long; inflorescence usually congested, subumbellate, the secondary peduncles usually greatly shortened, bearing several to numerous showy white flowers with a yellow eye; pedicels 7-10 mm. long; calyx-lobes ovate-subdeltoid, rounded to truncate or very inconspicuously acuminate, 1-1.5 mm. long, glabrous to inconspicuously and sparsely pilosulous; corolla strictly salverform, the tube 9-20 mm. long, 1-1.5 mm. in diameter at the base, the lobes usually obovate-oblong, or infrequently obovate, obtuse or rounded, 15-45 mm. long, about half-convolute in bud, the aestivation longitudinal or only slightly spiral; follicles stout, 6.5-24 cm.
long, 1-2 cm. broad.
Type locality: Tropical America.
Distribution: Bahamas arid Greater Antilles; Honduras (Swan Islands).