Trichostema ruygtii
Trichostema ruygtii | |
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Conservation status | |
![]() Critically Imperiled (NatureServe)[1] | |
Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Lamiales |
Family: | Lamiaceae |
Genus: | Trichostema |
Species: | T. ruygtii |
Binomial name | |
Trichostema ruygtii H.Lewis |
Trichostema ruygtii, with the common name Napa bluecurls, is a species of flowering plant in the mint family.[2][3] It was first described to science in 2006.[4]
Distribution
The plant is endemic to California in the northern San Francisco Bay Area, where it is known from the southern Mayacamas Mountains, in Napa County and into western Solano County.[2]
Its habitats include chaparral, oak woodland, mixed evergreen forest, and vernal pools in grasslands.[5]
Description
Trichostema ruygtii is an annual herb that grows under 5 decimetres (1.6 ft) in height. The stems and lanceolate leaves have short hairs.[2]
The flowers are a pale lavender in color. Its bloom period is June to October.[2]
Conservation
The species is threatened by agriculture and development. Trichostema ruygtii is listed as a Critically endangered species on the California Native Plant Society Inventory of Rare and Endangered Plants.[6]
References
- ^ "NatureServe Explorer 2.0".
- ^ a b c d Jepson: Trichostema ruygtii
- ^ USDA, NRCS (n.d.). "Trichostema ruygtii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.
- ^ Lewis, H. (2006). Trichostema ruygtii (Lamiaceae): A new species from Napa County, California. Madroño 53:282–287.
- ^ The Nature Conservancy: Trichostema ruygtii
- ^ California Native Plant Society Inventory of Rare and Endangered Plants (online edition, v8-02) . accessed 15 February 2016.
External links
- Calflora Database: Trichostema ruygtii (Napa bluecurls)
- Jepson Manual eFlora (TJM2) treatment of Trichostema ruygtii
- UC Photos gallery: Trichostema ruygtii
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