Choy sum

Choy sum or choi sum (Chinese: 菜心) also known as the Chinese Flowering Cabbage, literally means "vegetable heart" in Cantonese if directly translated.
Description
Chinese Flowering Cabbage (Brassica rapa var. parachinensis or Brassica chinensis var. parachinensis) is a member of the Brassica genus and the Brassicaceae (mustard) family. Choy sum is mainly characterized by yellow flowers with each flower having four yellow, oval to round petals with six stamens on fleshy, erect stems which are 0.5 to 1 cm in diameter and 15 to 20 cm tall with light to dark green, and are oval (becomes acuminate shaped, or basal-shaped near the flowering stage) with slightly serrated margins leaves, which never forms compact heads like the cabbage. Fruits can develop out of cross-pollination or self-pollination, and are silique structured, that opens at maturity through dehiscence or drying to bare open to brown or black seeds that...