Rhamnaceae

The flowers of Ziziphus abyssinica

Ziziphus abyssinica

Published by Daniel Mosquin on July 19, 2017

Ziziphus abyssinica is a shrub or small tree species native to savannas and bushlands of central Africa (see distribution map at bottom of this page).

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Inflorescence of Ceanothus thyrsiflorus

Ceanothus thyrsiflorus

Published by Daniel Mosquin on March 5, 2015

Ceanothus thyrsiflorus, or California lilac, is an evergreen shrub that is endemic to coastal California and southern Oregon. California lilac reaches a height of 1-6 meters and has showy blue flowers in dense panicles that bloom from March to May, giving this species its common name (it has no relation to the true lilacs, Syringa […]

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Santa Barbara, California, under a rare snowfall

Santa Barbara, California

Published by Daniel Mosquin on February 26, 2006

While taxonomists occasionally argue about the classification of plant species, analogous arguments can be heard from ecologists with regards to the classification of vegetation.

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