His lips sipped at it, his tongue flicking into the small crevice as though it were a precious receptacle containing rare nectar.
The round end of the spur contains nectar, which is sought by butterflies and hummingbirds.
They cause the bees to lose their ability to distinguish between flowers that contain nectar and those that don't.
Each cell contains pollen and nectar, then one egg is laid inside a cell.
The flowers contain sweet nectar, and the foliage can be eaten or boiled to make a drink.
Boiling down the flower clusters containing nectar can make a sugary sweetener.
At 7-15 cm long Passiflora mixta has a hypanthium - otherwise known as the flower tube - with a base that contains nectar.
They are pollinators of the passionflower, which contain nectar at the bottom of the long corolla tube that belongs to the P. mixta.
Only the bottom half-inch of this contains nectar.
There could be dozens of yellow flowers, of similar shape and size in a given field, yet only one or two might contain nectar.