Penstemon isophyllus, the equal-leaved penstemon, is a species of flowering plant in the plantain family Plantaginaceae, native to Mexico.
Penstemon isophyllus | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Lamiales |
Family: | Plantaginaceae |
Genus: | Penstemon |
Species: | P. isophyllus
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Binomial name | |
Penstemon isophyllus |
It is a recipient of the Royal Horticultural Society's Award of Garden Merit.[1]
Growing to 70 cm (28 in), it is a woody evergreen perennial with reddish pink tubular flowers. Although hardy to −10 °C (14 °F), it benefits from some winter protection in colder areas.
The Latin specific epithet isophyllus means "with leaves all of the same size".[2]
References
edit- ^ "Penstemon isophyllus". www.rhs.org. Royal Horticultural Society. Retrieved 24 January 2021.
- ^ Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 978-1845337315.