This section is from the book "Handbook Of Hardy Trees, Shrubs, And Herbaceous Plants", by W. Botting Hemsley. Also available from Amazon: Handbook of hardy trees, shrubs, and herbaceous plants.
Is of close affinity with the preceding genus and from the same regions, differing mainly in the climbing habit and triangular seed-pod, which instead of splitting to the base opens at the top only. Some of the species possess about the same degree of hardiness as the hardiest Alstrcemerias. B. Salsilla (fig. 243) is a pretty twining plant with glabrous leaves and purple flowers about half an inch long, the two upper and inner segments having a darker spot at the base, and all of them tinged with green towards the points.
Fig. 243. Bomarea Salsilla. (1/4 nat. size.)