Emex australis seeds (IMAGE)

Cambridge University Press

Emex australis seeds

Caption

Emex australis seeds have dimorphic morphology. Aerial seeds that form at the leaf axils along the stems (left) have radial symmetry and subterranean seeds that form on the lower section of the crown of the plant (right) have bilateral symmetry and shorter spines.

Credit

Photo by Dr. Catherine Borger

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