Flower/fruit:
1
to 2 inch pale yellow flower has four petals atop the long, slender
calyx tube; flowers open in the evening and remain open through
morning, closing in the heat of the day
Flowering
Season: Spring to fall
Foliage:
Elliptic to lance-shaped leaves
are stalkless, 1 to 6 inches long, wavy-toothed; erect, stout stem
is often red-tinged
