Ceanothus otayensis explained

Ceanothus otayensis, the Otay Mountain buckbrush or Otay Mountain lilac, is a plant species known only from the Otay and San Miguel Mountains of San Diego County, California, and in nearby Baja California, Mexico. It occurs on dry slopes and brushlands at elevations of 600–1100 m.^[1]

Ceanothus otayensis is a shrub up to 120 cm tall, erect, not rooting at the nodes. Leaves are opposite, evergreen, broadly ovate, up to 15 mm long. Flowers are white to pale blue, borne in a spike of umbels. Fruits are spherical, about 5 mm across.^{[2] [3]}

Notes and References

1. Boyd, S, & JE Keeley. 2002. A new Ceanothus (Rhamnaceae) from northern Baja California, Mexico. Madroño 49:289-294.
2. Munz, P. A. & D. D. Keck. 1959. California Flora 1–1681. University of California Press, Berkeley.
3. Forrest Shreve, & Ira Loren Wiggins. 1964. Vegetation and Flora of the Sonoran Desert. Stanford University Press.