The Hot-Rock Penstemon (Penstemon deustus) is fairly inconspicuous. It has small flowers and the plant is quite bushy so you don't necessarily notice the flowers at first. When you do notice the flowers, you find that they are unique and quite beautiful. They are white and trumpet-like with five-lobed mouths. The flowers also have dark purple/brown guidelines that lead to the nectar hidden within. It is a perennial herb with upright branches. The leaves are lance-shaped to round, and are sharply toothed.
Hot-Rock Penstemon is a useful plant, it is used for wildlife habitat enhancement and restoration efforts. It is also a popular plant used in xeriscaping. In addition, a poultice of the smashed leaves has been used to aid in the healing of skin sores, such as boils, mosquito bites, tick bites and open sores.
It's fun to see the Hot-Rock Penstemon in nature, because it's so different from most of the penstemon in the area. Many Penstemon tend to have bright purple, pink and/or blue flowers, so the white flowers of the Hot-Rock are quite unique.
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