Morphology of Blade-Less Leaves.
(A) Close-up view of the top of a blade-less leaf. The arrow indicates a tongue-like pale green organ.
(B) Boundary region between the tongue-like organ and the leaf sheath of a blade-less leaf. The arrow indicates the auricle-like organ.
(C) Close-up view of the auricle of a wild-type plant.
(D) Transverse section of the leaf from a blade-less plant.
(E) Transverse section of the leaf sheath from a wild-type plant.
Bars = 1 mm.