Streptocarpus Growth Forms.
(A) Unifoliate S. dunnii.
(B) Caulescent S. saxorum.
(C) Rosulate S. rexii.
(D) S. dunnii (left) and S. rexii (right). The S. dunnii × S. rexii F1 hybrid (center) has a rosulate arrangement of multiple, large phyllomorphs.