Larkspur, city (1990 pop. 11,070), Marin co., W Calif., a prestigious residential suburb of San Francisco near Mt. Tamalpais; inc. 1908. The region's scenic beauty and excellent beaches attrac...

Annual, plant that germinates from seed, blossoms, produces seed, and dies within one year. Annuals propagate themselves by seed only, unlike many biennials and perennials. They are thus espec...

Buttercup or crowfoot, common name for the Ranunculaceae, a family of chiefly annual or perennial herbs of cool regions of the Northern Hemisphere. Thought to be one of the most primitive fami...

Fruit, matured ovary of the pistil of a flower, containing the seed. After the egg nucleus, or ovum, has been fertilized (see fertilization) and the embryo plantlet begins to form, the surroun...