The cactus blooms in yellow to greenish flowers with red or pink scales.
It produces fragrant greenish yellow flowers each about 1.3 centimeters long.
These plants have a cluster of small greenish flowers.
The plant has white to greenish flowers in umbrella-like heads.
Spikes of small greenish flowers appear above the water in midsummer.
The small, greenish flowers often form clusters in the leaf axils.
The greenish, yellow or orange flowers are followed by twisted seed pods.
The white, pale blue, or greenish flowers are borne in clusters at the stem tips.
The inflorescence is a cyme of 3 to 9 white or greenish yellow flowers.
It grows to about 3 m, and bears greenish flowers followed by black pods.