This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Low perennial herbs, somewhat woody, with alternate deeply pinnatifid or palmatifid leaves, their segments subulate and spinescent, the rather large flowers terminal, clustered or solitary. Calyx 4-5-lobed, the lobes spinescent, the sinuses not scarious but membranous. Corolla funnel form, 4-5-lobed, the lobes somewhat spreading Stamens short. Capsule at length distending the calyx-tube, many-seeded. [Greek, referring to the deeply divided leaves.]
Three or four species, natives of western North America. Type species: Leptodactylon cali-fornicum H. & A.
Much branched and tufted from a thick buried woody base, 3 -'5' high. Leaves densely fascicled and imbricated, 3-5-parted, 4" long or less, the segments subulate, spinulose-tipped, glabrous, or the margins ciliate; bases of the old leaves persistent; calyx about half as long as the corolla-tube, 4-lobed, the lobes subulate; corolla white or yellowish, sal-verform, the tube about 6" long, the limb 4-lobed; stamens 4.
Dry bluffs, western Nebraska and Wyoming. June-Sept.
Leptodactylon pungens Nutt. [Gilia pungens (Torr.) Benth.], of western North America, illustrated in our first edition, where the above species was regarded as a variety of it, is not known to occur within our area.