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Evolution__3rd_Edition

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Plate 9<br />

Hybrid speciation in irises. (a) The three “parental” species: Iris hexagona (left), I. fulva (center), and I. brevicaulis (right).<br />

(b) These parental species have contributed to the recent origin of I. nelsonii, shown here in the woods of Louisiana (Section 14.7,<br />

p. 405). (Photos courtesy of Mike Arnold.)

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