What are ways species exchange genes with each other? Hybridization and gene flow are shortcuts to biodiversity that don’t always involve differentiation.

More than 70 cultivars of Helianthus exist, with the common sunflower species being Helianthus annuus — Helianthus meaning ...

Here's what to know about each kind of sunflower. There are close to 150 species of sunflowers in the genus Helianthus. Most are characterized by brightly colored flowers and rough, sandpaper-like ...

Like you, birds have a sweet spot for sunflower (Helianthus annuus) seeds — and for good reason. These seeds fulfill their nutritional needs, successively replacing the energy expended on foraging, ...

This year's trials from the Massachusetts Horticultural Society reaffirmed the importance of trialing a diverse range of ...