See text Calligonum is a genus of plants in the family Polygonaceae with about 80 species across the Mediterranean Sea region, Asia and North America.

Leaves are simple, opposite, nearly sessile, linear or scale-like, sometimes absent or very small, linear or filiform, distinct or united with short membranous ochreae.

Flowers are bisexual, solitary or in loose axillary inflorescences.

Flowers have persistent, 5-parted perianths not accrescent in fruit, and 10-18 stamens with filaments connate at the base.

[3] It is placed in the subfamily Polygonoideae, tribe Calligoneae, along with its sister genus, Pteropyrum.