Langloisia is a genus of flowering plants in the family Polemoniaceae. It is monotypic, being represented by the single species Langloisia setosissima, also known as bristly langloisia, bristly-calico, Great Basin langloisia, and lilac sunbonnets. It is native to the western United States and north-western Mexico,[1] where it is found in desert washes and on rocky slopes and plains from eastern Oregon and Idaho, south via Nevada and Utah to eastern California and Arizona.
| Langloisia | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Polemoniaceae |
| Genus: | Langloisia Greene |
| Species: | L. setosissima
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| Binomial name | |
| Langloisia setosissima | |
| Synonyms | |
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Gilia setosissima (Torr.) A.Gray | |
The genus name of Langloisia is in honour of Auguste Berthélemy Langlois (1832–1900), who was a French-born American clergyman and botanist.[2]
It is an annual plant, growing to 4–20 cm tall. The leaves are spirally arranged, linear, 2–3 cm long, densely bristly and with a toothed margin. The flowers are white to light blue or pale purple in color, 1.5–2 cm diameter, with a deeply five-lobed corolla.
There are two subspecies:
- Langloisia setosissima subsp. setosissima. Flowers with a uniformly colored corolla, possibly showing faint patterns of dots and stripes.
- Langloisia setosissima subsp. punctata (syn. Langloisia lanata, Langloisia punctata). Flowers with a corolla spotted with darker purple and yellow.
The genus Loeseliastrum was previously included in Langloisia, formed from two former Langloisia species:[1][3]
- Loeseliastrum matthewsii, formerly Langloisia matthewsii
- Loeseliastrum schottii, formerly Langloisia schottii
References
edit- ^ a b "Langloisia Greene | Plants of the World Online | Kew Science". Plants of the World Online.
- ^ Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. Retrieved January 27, 2022.
- ^ Steven Timbrook (July 1986). "Segregation of LOESELIASTRUM from LANGLOISIA (Polemoniacae)". Madroño. 33 (3). California Botanical Society: 157–174.
Other sources
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- Jepson Flora Project: Langloisia setosissima
- CalFlora: Langloisia setosissima (requires login)
- Photos of subsp. setosissima and subsp. punctata
- USDA Plants Profile
- Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. 147
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