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.
Very pretty little bulbous plants from North and South temperate America, lately united with Milla, having narrow leaves contemporaneous with the umbellate or solitary flowers. Perianth-tube funnel-shaped, the segments equalling or rarely exceeding it in length. Stamens inserted on the tube in two distinct rows. Name from three, and complete,
Fig. 256. Triteleia uniflora.
from the ternary arrangement of the parts of the flower.
1. T. uniflora (fig. 256). - The most familiar species, a native of South America. A small hardy bulb from 6 to 12 inches high, producing large tufts of linear somewhat fleshy leaves and numerous scapes bearing solitary terminal pure white or lilac-blue flowers in June or July.
T. grandiflora, a Californian plant, less commonly seen, has white flowers; and T. autrea, from Monte Video, is a smaller plant with filiform fleshy leaves and yellow flowers.