larkspur

[lahrk-spur] /ˈlɑrkˌspɜr/
noun
1.
any of several plants belonging to the genera Delphinium and Consolida, of the buttercup family, characterized by the spur-shaped formation of the calyx and petals.
Origin
1570-80; lark1 + spur

Larkspur

[lahrk-spur] /ˈlɑrkˌspɜr/
noun
1.
a town in W California.
British Dictionary definitions for larkspur

larkspur

/ˈlɑːkˌspɜː/
noun
1.
any of various ranunculaceous plants of the genus Delphinium, with spikes of blue, pink, or white irregular spurred flowers
Word Origin
C16: lark1 + spur
Word Origin and History for larkspur
n.

type of plant, 1570s, from lark (n.) + spur (n.); so called from resemblance to the bird's large hind claws.