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Related to Delphinium ajacis: Consolida ajacis

larkspur, in botany


any north temperate, Old World annual of the genus Consolida of the buttercupbuttercup
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 families of dicotyledenous plants, the Ranunculaceae typically have a simple
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 family. Consolida species were formerly classified in the genus Delphinium, which includes similar annual, biennial, and perennial herbaceous plants of the northern temperate zone that are commonly called larkspurs or delphiniums. Plants of both genera are popular garden plants, especially favored for their blue-flowered varieties. In many cultivated larkspurs and delphiniums the spurred flowers, usually blue, pink, or white, rise in a spire above the deeply cut leaves. Most native North American delphinium species are poisonous to cattle. Larkspurs and delphiniums are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Ranunculales, family Ranunculaceae.

Larkspur, city, United States


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 attract many visitors. Nearby Larkspur Canyon has a redwood grove.


any of various ranunculaceous plants of the genus Delphinium, with spikes of blue, pink, or white irregular spurred flowers