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Trichostema ruygtii

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Trichostema ruygtii

Critically Imperiled  (NatureServe)[1]
Scientific classification Edit this 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

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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

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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

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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

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  1. ^ "NatureServe Explorer 2.0".
  2. ^ a b c d Jepson: Trichostema ruygtii
  3. ^ USDA, NRCS (n.d.). "​Trichostema ruygtii​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.
  4. ^ Lewis, H. (2006). Trichostema ruygtii (Lamiaceae): A new species from Napa County, California. Madroño 53:282–287.
  5. ^ The Nature Conservancy: Trichostema ruygtii
  6. ^ California Native Plant Society Inventory of Rare and Endangered Plants (online edition, v8-02) . accessed 15 February 2016.
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