Polar patterning of the spikelet is disrupted in the two opposite lemma mutant in rice.

Abstract excerpt

Angiosperms produce diverse flowers and the pattern of floral symmetry is a major factor for flower diversification. Bilaterally symmetric flowers have evolved multiple times in different angiosperm lineages from radially symmetric ancestors. Whereas most monocots produce radially symmetric flowers, grasses such as rice (Oryza sativa) and maize (Zea mays) generate bilaterally symmetric flowers and spikelets. In...

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