the blooming robinia hispida in may

axillary axis bell belonging biennial bipartite bloom blooming bracts branches bristles broadly brown circular corolla curly cylindrical deciduous densely elliptical fabaceae family flag flower flowering flowers fruiting glandular grooves hairs hard height hispida june kidney lanceolate leaf leaflets linear may meters neck numerous oblique ovary ovate ovules pairs petal petals petiolate pilose pods protrusions purple racemes red robinia rose seeds sepals shaped shrub stamens stigma sutures terminal