Ceanothus bolensis
{{Short description|Species of buckthorn}}
{{Speciesbox
| image = 20241127-cerro-bola-ceanothus.jpg
| image_caption = Growing on the north slope of Cerro Bola
| genus = Ceanothus
| species = bolensis
| authority = S. Boyd and J. Keeley (2002)
}}
Ceanothus bolensis, the Cerro Bola ceanothus, is a rare species of Ceanothus endemic to extreme northwestern Baja California. It is named after Cerro Bola, a metavolcanic peak where the species is especially common and was first described from.
Description
Ceanothus bolensis is a shrub growing approximately 1-1.5m in height and lacking a basal burl. It has small, smooth and hairless, yellowish-green leaves and is not deciduous. Flowers are pale blue to cream white. It is most similar visually to the nearby Ceanothus otayensis found further north, with which it does not overlap in range.Boyd, Steve, and Jon E. Keeley. "A new Ceanothus (Rhamnaceae) species from northern Baja California, Mexico." Madroño (2002): 289-294. https://www.jstor.org/stable/pdf/41425479.pdf
Distribution and habitat
Ceanothus bolensis is extremely range restricted and was originally described as being endemic to the mid-to-high elevations of Cerro Bola peak, but is now known from a handful of other mountains in northwestern Baja California between Ensenada and Tijuana.{{Cite web |title=Occurrence Detail 4994418399 |url=https://www.gbif.org/occurrence/4994418399 |access-date=2025-02-03 |website=www.gbif.org |language=en}} It occurs at elevations higher than approximately 500m, where it grows in chaparral habitat on metavolcanic soils.
References
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Category:Endemic flora of Mexico