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.
Viscid herbs with pin-natifid leaves and large showy solitary lateral or terminal flowers. This genus is exclusively South American, and differs from all the following in having a plaited corolla, and thus connecting this with the preceding order. S t a-mens 4, didynamous, with a fifth barren one. Fruit capsular, 2-celled, 2-valved, many-seeded. The name is from aay a trumpet, and a tongue, the form of the stigma.
1. S. sinuata, syn. S. straminea, S. variabilis, etc. (fig. 183). - This is an herbaceous viscid branching perennial, though usually treated as an annual, from 1 to 2 feet high, with numerous handsome flowers of various colours. They are white, yellow, rose, crimson, lilac, violet or maroon, or some combination of some of these colours, and frequently strongly veined or reticulated in a different colour from the ground. This is a race of dwarf varieties about half the height of the ordinary forms. A native of Chili.
Fig. 183. Salpiglossls sinuata. (1/4 nat. size.)