Penstemon palmeri (*)
Palmer's Penstemon (Penstemon palmeri) is a penstemon notable for its showy, rounded flowers. The plant is named after Edward Palmer.
This plant grows erect and may reach two meters in maximum height. The leaves are generally oppositely arranged and have toothed margins. The inflorescence is a panicle or raceme with small bracts. The flower has a five-lobed calyx of sepals and a cylindrical corolla with may have an expanded throat. The flower is pink to blue-purple, and occasional specimens are red, yellow, or white. The staminode is partially hairy.
It is found native to desert mountains from the eastern Mojave Desert to Utah and in New Mexico, therefore it is drought-tolerant and prefers drier soils. The plant grows in washes, roadsides, canyon floors, creosote scrub, and juniper woodlands, from 1100–2300 meters.
Most instances of this species are var. palmeri. There are two other varieties which are limited to Nevada, and to Utah and Arizona, respectively.
Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License