heart-leaved four o'clock, heartleaf four o'clock, prairie four o clock, heart-leaf four-o'clock, heartleaf four-o'clock
White/green with 5 petals
Heat shaped leaves with smooth edges; no hair
Taxonomic data last retrieved March 30, 2012, from the Integrated Taxonomic Information System on-line database, http://www.itis.gov.
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