Mabinlang

Capparis masaikai
Scientific classification
Kingdom:	Plantae
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Brassicales
Family:	Capparaceae
Genus:	Capparis
Species:	C. masaikai
Binomial name
Capparis masaikai Levl.

Capparis masaikai, known as mabinlang, grows in the subtropical region of the Yunnan province of China and bear fruits of tennis-ball size. The mature seeds are used in traditional Chinese medicine.

They are also used as sweets; when chewed the seeds elicit a sweet taste.

The origin of the sweet taste was identified as sweet-tasting proteins named mabinlins. They are highly sweet, 100-400 times sweeter than sucrose on a weight basis.

...
Wikipedia