Idria columnaris (Boojum tree). Fouquieria columnaris

Jacobsenia kolbei. Large white flowers.

Jatropha podagrica

Juttadinteria albata

Juttadinteria ausensis

Juttadinteria kovismontana. Chuncky leaves, large red teeth

Juttadinteria suavissima

Kalanchoe beharensis (Felt Plant). Recommended Temperature Zone: Sunset: 21-24; USDA: 10 Full sun to shade. Protect from hot sun in desert gardens.
Grows up to 12 feet tall. Origin: South Madagascar.

Kalanchoe grandiflora

Kalanchoe pumila

Kalanchoe rotundifolia. Grows on coastal rocks near. Salmon flowers.

Kalanchoe thyrsiflora