Castilleja indivisa
One of the popular paintbrushes, this showy annual or biennial grows 6-18 in. high. Its several unbranched stems form clumps topped by bright-red, paintbrush-like spikes. The flowers are less conspicuous than the bracts and greenish at the base, they are subtended by showy, typically red-tipped bracts. They sometimes produce a light yellow or pure white […]