1b. cv. Sangre. 
This cultivar, described in Bot. Mus. Leafl. Harvard 
Univ. 21: 236 (1966), is distinguished by the corolla 
color, which is deep red (basally green), entirely lacking 
in yellow. The flower size and shape is variable; in the 
Valley of Sibundoy, the calyx is narrow, terminating in 
a single apicule, 8.8-9.5 em. long, the corolla 17.6—21 
em. long. Stamens (incl. their adnation to corolla) 15.4— 
18.9 cm., anthers 13-14 mm. and pistil 16.9-19 cm. The 
oblong, bisuleate fruit has a persistent calyx. 
Common names: Guamuco, Guamuco borrachera, as 
for the first cultivar. 
Cotompra: Comisaria del Putumayo, Valle de Sibundoy, alt. ca. 
2200 m.—San Andrés. ‘‘*Guamuco’. Shrub 2.5 m. ; corolla red, limb 
spread somewhat, but not rolled upward as in 653. Cultivated.’’ 18- 
Il1-19638, 652 (COL, ECON, PASTO, US).—San Andrés. “‘Arbores- 
cent 2.5 m. ; exposed corolla red (no yellow present); fr. 9055 mm., 
ovoid, 5-ridged, not flattened. Roadside, common.’’ 20-VIII-1963, 
1309 (COL, ECON, US). 
2. Datura candida (Pers.) Safford in Journ. Wash. 
Acad. Sci. 11: 182. 1921. 
D. arborea Ruiz & Pavén Fl. Peruv. 2: 15. pl. 128. 
1799; non D. arborea L. 
Brugmansia candida Persoon Syn. Pl. 1: 216. 1805. 
D. aurea Lagerheim Gartenfl. 42: 38. 1893; Safford 
ibid. 186. 1921. 
B. aurea Lagerheim in Bot. Jahrb. Engl. 20: 664. 
1895. 
B. arborea Lagerheim ibid. 663. 
D. affinis Safford ibid. 186. 
D. Pittiert Safford tbid. 187. 
Small trees, 3-5 meters in height; leaves glabrous or 
slightly pubescent, ovate or oblong-elliptic, entire or 
coarsely dentate; calyx 1.5-8 cm. broad, 1—4-toothed; 
the slender basal part of the white corolla wholly en- 
closed by the calyx, the limb flaring broadly with long 
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