The beauty of the pink and purple carpets of digitalis flowers increasingly seen on hillsides in Japan conceals a potential menace to ecosystems and even human health. The flowers, which blossom in ...

The common foxglove, Digitalis purpurea, generally is considered a biennial, which means that it has a life cycle that, starting from seed, normally takes two growing seasons to flower and then die.

With its tall spikes of purple, pink, or white bell-shaped flowers, common foxglove (Digitalis purpurea) has been a popular addition to flower beds for years. But the European native can spread ...

Flower lifespan was terminated by corolla abscission 5—6 days after stigma opening in the unpollinated flower. Increased pollen loads produced increased seed set and reduced flower longevity ...

If you’ve ever seen this plant’s otherwordly stalks of tubular purple flowers, you can probably get a sense of why it’s earned a few fairy-tale nicknames, from fairy fingers and ladies’ thimble to ...