Stem base elongated, not fleshy, cylindric. Basal and lower cauline leaves green, few to several, widely spaced, not grouped into a head. Axillary leafy buds not forming heads. Inflorescence green, somewhat loose, usually obconical, with fleshy peduncle, rachis, pedicels, and flowers. Flowers yellow. 2n = 18*.

Recently introduced and cultivated as a vegetable. Previously mainly in Guangdong, but now more commonly in other parts of China [widely cultivated elsewhere].