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12 Sunflowers Facts for Beginner Gardeners
More than 70 cultivars of Helianthus exist, with the common sunflower species being Helianthus annuus — Helianthus meaning ...
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Helianthus anomalus, one of three hybrid species in the sunflower genus
What are ways species exchange genes with each other? Hybridization and gene flow are shortcuts to biodiversity that don’t always involve differentiation.