. Some ornamental shrubs for the Tropics. Shrubs Tropics. 18 CIRCULAR 34, FEDERAL EXPERIMENT STATION Allamanda neriifolia Hook. Shrub Allamanda, Oleander Allamanda "Cautiva" (fig. 2) Apocynaceae Most allamandas are vines. Some of these, such as Allamanda cathartica hendersonii or williamsii can be used as shrubs if grown in the open and pruned regularly. This species is one of the natur- ally shrubby allamandas. It has an upright growth habit reaching 8 to 10 feet in height, and makes satisfactory growth even in crowded locations. It is not adapted to the close shearing necessary for
. Some ornamental shrubs for the Tropics. Shrubs Tropics. 18 CIRCULAR 34, FEDERAL EXPERIMENT STATION Allamanda neriifolia Hook. Shrub Allamanda, Oleander Allamanda "Cautiva" (fig. 2) Apocynaceae Most allamandas are vines. Some of these, such as Allamanda cathartica hendersonii or williamsii can be used as shrubs if grown in the open and pruned regularly. This species is one of the natur- ally shrubby allamandas. It has an upright growth habit reaching 8 to 10 feet in height, and makes satisfactory growth even in crowded locations. It is not adapted to the close shearing necessary for a hedge, but can be used as a specimen plant. Flowers are produced in small terminal clusters of 3 to 12. Usu- ally only one or two are open at one time. The brilliant orange- yellow color of the 2-inch flowers and the large number of clusters on a vigorous bush produce an attractive display, but not a solid mass of color. There is a tint of bluish red in the bud. Flowering continues throughout the rainy Figure 2.—Allamanda neriifolia has no inclination to vine. It is the only allamanda fruiting* regularly in Puerto Rico. The fruit is spherical with long soft spines and has a total di- ameter of II/2 inches. The leaves are usually in whorls of 5, and are dull dark green on the upper side. Their fine, stiff hairs create a rough texture. The margins are almost parallel, and there is practically no petiole. Propagation is usually by seed, although cuttings will Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hume, Edward Putnam, 1911-. [Washington : U. S. Govt. Print. Off. ]
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