Andrew Trundlewagon's photos with the keyword: Tradescantia

Tradescantia flowers (spiderwort) after a light rain. They open in the morning and close in the afternoon, avoiding strong sunlight.

Tradescantia is a a native plant to Eastern North America (although these are garden varieties). The flowers are open in the morning but close in sunlight. The name comes from two English botanists, John Tradescant the Elder (c. 1570s – 1638) and John Tradescant the Younger (1608–1662), who were gardeners to King Charles 1st (from Wiki). They are very reliable and basically look after themselves, so great for a lazy gardener.