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Ptisana rolandi-principis (Rosenst.) Christenh.

leaf venation shape

Kubitzki et al
catadromous (leaves)
URI: http://eol.org/schema/terms/catadromous

Definission: a venation pattern in which the first vein in a given segment arises on the side of the leaf segment toward the base

Atribussion: http://sweetgum.nybg.org/science/glossary/glossary-details/?irn=429

smon-e tute j'argistrassion