chaste tree or monk's pepper, vitex agnus-castus

chaste tree monk 039 pepper lamiaceae vitex agnuscastus verbenaceae purple flowers southwestern arizona shrub deciduous aromatic foliage compound lanceshaped leaves green leaflets scented inflorescence spikes spring summer ornamental branches crown blooming blossom heattolerate semihardy landscaping color nonspreading nonallergenic nature natural petals plant garden flora floral botany botanical rocks boulders close closeup horizontal