erect plant with tuberous roots and terminal panicles of red to yellow flowers; southwestern North America to Central America; widely introduced elsewhere
例句
用作名词 (n.)
In order to develop Talinum paniculatum fully, it was necessary to strengthen the research on genetic improvement to invent a good variety. 当务之急是必须尽快加强对土人参进行科学研究,并借助于现代生物学技术对其进行遗传改良。