...sunflower seed. Inflorescence — A flower cluster. (Fig. i.) Keeled— Having a dorsal projecting ridge, like the keel of a boat. Lanceolate — Lance-shaped — several times longer than wide, broadest at or near the base and tapering to the tip. (Fig. iii.) Lateral — Borne on the sides of a structure....

...flowers. Involucre. A whorl of distinct or united leaves or bracts subtending a flower or inflorescence. Lanceolate. Lance-shaped. Several times longer than...broadest toward the base and tapering to the apex. Legume. A fruit composed of one chamber and splitting open on two sides. Usually synonymous with pod....