Bouvardia

although possibly cultivated, these plants appear to be naturally occurring and the species is found wild in the area.

pine understory on volcanic tuffaceous rhyolite hillside at crest of the eastern escarpment onto Madrean plateau.

plants on gravels and coarse weathered volcanic soils around steep hillside outcrops of welded tuff along upper canyon rim. SYN: B. glaberrima

although possibly cultivated, these plants appear to be naturally occurring and the species is found wild in the area.

plants on gravels and coarse weathered volcanic soils around steep hillside outcrops of welded tuff along upper canyon rim. SYN: B. glaberrima

plants on gravels and coarse weathered volcanic soils around steep hillside outcrops of welded tuff along upper canyon rim. SYN: B. glaberrima

small shrub in woodland understory on rhyolitic tuff substrate, A favorite with hummingbirds

small shrub along open roadside on volcanic rhyolite gravels. Bright red funnel flowers are a hummingbird favorite

small shrub along open roadside on volcanic rhyolite gravels. Bright red funnel flowers are a hummingbird favorite

on road bed gravels in highway right-of-way on low hillside slope of white chalky limestone.

on road bed gravels in highway right-of-way on low hillside slope of white chalky limestone.

on road bed gravels in highway right-of-way on low hillside slope of white chalky limestone.

on road bed gravels in highway right-of-way on low hillside slope of white chalky limestone.