Sorrel has this characteristic.

sorrel

Physalis alkekengi, Physalis alkekengi, Turtledove acid, Trifolinic acid, Physalis alkekengi, Hook grass

Habits of sorrel

Likes warm, humid, sunny environment, likes light, summer hot areas need shade.

The ability to resist drought is weak and not cold. Winter, North China needs indoor conservation, south of the Yangtze River can be cultivated on land.

Like the humid environment, the adaptability of the soil is relatively strong, ordinary garden soil can grow.

It usually grows in hillside meadows, river valleys, roadsides, field edges or shady wet places under forests, and flowers only when the sun is shining.

Summer brings a brief period of dormancy.

Flowers of sorrel

The four-leaf sorrel represents luck and wishes come true.

Sorrel is Ireland's national flower, representing protection, patriotism.