ONAGRACEAE
Oenothera speciosa
Common Name: Showy Primrose, Buttercup, Mexican Evening Primrose
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flower--how many petals are present? | flower again, showing the 4-branched stigma that occurs in all species of Oenothera |
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leaves--can you find the flower buds? | habit in April--Oenothera speciosa is a Spring-flowering annual |