Rootstock

[ru:tstɒk]

解释:

(noun.) root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots.

弗洛整理--From WordNet

解释:

(n.) A perennial underground stem, producing leafly s/ems or flower stems from year to year; a rhizome.

录入:特丽萨