the buds and flowers of clerodendrum wallichi

inflorescence quadrilateral clerodendrum branchlets lanceolate background ornamental lamiaceae elongated prominent filaments spherical following wallpaper wallichi hairless leathery arranged peduncle subulate blooming flowers upright conical corolla stamens october biology family daqing height meters winged leaves bracts linear extend spiral flower purple blooms nature garden botany shrub small genus sharp shape sides veins acute calyx short lobes ovate white style drupe black