page_title: Fragaria virginiana
section_title: Cytology
hierarchical_section_title: Fragaria virginiana / Cytology
caption_attribution_description: Fragaria virginiana var. platypetala English: Broadpetal Strawberry Viewpoint location: Juniper Ridge Trail 261 Dark Divide Viewpoint elevation: 1508 meter (4948 ft) Location source: Garmin GPSmap 60CSx Location Datum: WGS84
context_page_description: Fragaria virginiana, known as Virginia strawberry, wild strawberry, common strawberry, or mountain strawberry, is a North American strawberry that grows across much of the United States and southern Canada. It is one of two species of wild strawberry that were hybridized to create the modern domesticated strawberry.
context_section_description: All strawberries have a base haploid count of 7 chromosomes. Fragaria virginiana is octoploid, having eight sets of these chromosomes for a total of 56. These eight genomes pair as four distinct sets, of two different types, with little or no pairing between sets. The genome composition of the octoploid strawberry species has generally been indicated as AAA'A'BBB'B'. The A-type genomes were likely contributed by diploid ancestors related to Fragaria vesca or similar species, while the B-type genomes seem to descend from a close relative of Fragaria iinumae. The exact process of hybridization and speciation which resulted in the octoploid species is still unknown, but it appears that the genome compositions of both Fragaria chiloensis and Fragaria virginiana (and by extension the cultivated octoploid strawberry as well) are identical.
caption: The fruit is a reddish, fleshy aggregate dotted with "seeds" (achenes) up to 1 cm.
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