When Barack Obama sat down with the auto task force, the first thing he reportedly asked was "Why can't they make a corolla?"
corolla cylindrical-ovoid or a little urn-shaped, 5-toothed.
Notice what a different degree and kind of life there is in the calyx and the corolla.
Flowers pollinated by the wind are generally inconspicuous and often lack a corolla.
Calyx inferior, funnelform, with 4–5 sepals as long as the corolla.
There are four stamens of unequal length inserted on the base of the corolla Fig. 140.
corolla, 5–6 petals, inserted on the calyx, curved downward.
The calyx is deeply divided, and the limbs of the corolla are spreading.
corolla much longer than calyx, fleshy, bell-shaped, 5-lobed.
Calyx of same color as corolla, inferior, very small, 4-lobuled.
The petals of a flower considered as a group or unit. See more at flower.