rudbeckia laciniata

juhua hairs husheng head globose blade lanceolate hemispherical born short rudbeckia yellow peduncles platycodon single green huang inflorescence involucrate golden period flower glabrous black belong sunflower chrysanthemum tongue ribbed like herbs achenes receptacle laciniata perennial known tubular hairless flowering jin stems compositae eye false shaped long months sparsely slightly guangju also