Chinese broccoli

:  a leafy garden plant (Brassica oleracea alboglabra synonym Brassica alboglabra) that has thick, smooth stems, waxy bluish-green leaves in loose rosettes, and small, usually white flowers Chinese broccoli has prominent green stems and leaves and is never as compact as regular broccoli … — Georgia Tasker, Miami Herald, 8 Sept. 1985; also :  the stems and young leaves of Chinese broccoli used as food The lightly sauteed Chinese broccoli, with its hint of bitterness, offered a fine contrast to the sweet flavors elsewhere on the table. — Candace Page, Burlington (Vermont) Free Press, 10 Jan. 2008 ◆The plant and the food are also called gai lan.