| Monardella undulata subsp. undulata | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Monardella |
| Species: | |
| Subspecies: |
M. u. subsp. undulata
|
| Trinomial name | |
| Monardella undulata subsp. undulata
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| Synonyms[2] | |
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Monardella undulata subsp. undulata, synonym Monardella frutescens,[2] is a rare subspecies of flowering plant in the mint family known by the common name San Luis Obispo monardella.[3]
Monardella undulata subsp. undulata is a perennial herb producing several purple stems. The thin, narrow, wavy-edged leaves are 1 to 5 centimeters long and borne in clusters along the stem. The inflorescence is a head of several flowers blooming in a cup of papery purplish to straw-colored bracts. The flowers are rose-purple to purple in color. This subspecies may hybridize and so intergrade with its relative, Monardella undulata subsp. crispa, where their distribution overlaps.[3]
Monardella undulata subsp. undulataisendemictoCalifornia, where it is known only from the sand dunes and coastal sage and chaparral scrub on the coastline of San Luis Obispo County.[3]
Monardella undulata subsp. undulata is threatened by coastal development.[3]
| Monardella undulata subsp. undulata |
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|---|---|
| Monardella frutescens |
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| Monardella undulata var. frutescens |
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