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 
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| 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.
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