根状茎的英文：
rhizome
root stock

参考例句：

The dried rhizomes of this plant,used medicinally as a sedative.
缬草根这种植物干了的根状茎，可用来作为镇痛剂

The fragrant rootstock of the orris,used in perfumes and cosmetics.
鸢尾根茎鸢尾属植物的芳香的根状茎，用于香料和化妆品

Any of several species of iris having a fragrant rootstock,especially a variety of the hybrid Iris germanica.
鸢尾科植物一种鸢尾种类植物，有芳香的根状茎，尤指德国鸢尾的杂交变种

rhizome是什么意思：
n. 根茎;地下茎

A Eurasian perennial herb(Polygonum bistorta)having cylindrical spikes of usually pink flowers and a rhizome used as an astringent in folk medicine.
拳参一种欧亚产多年生草本植物圆穗蓼，通长生有圆柱形穗状花序的粉色花朵和民间医学中用于止血药的根茎

A medicinal preparation made from the dried roots and rhizomes of this shrub that is used to induce vomiting, particularly in cases of poisoning and drug overdose.
吐根制剂用这种灌木干制的根和根茎制的药剂，用来引发呕吐，特别用在中毒和用药过量的情况中

A starch obtained from the rhizomes of a tropical American perennial herb(Maranta arundinacea.It is used especially in cooking as a thickener.
竹芋粉，芡粉从一种多年生美洲热带草本植物(竹芋属芦竹)的根茎中提取的淀粉，尤其在烹调时用作勾芡

root是什么意思：
n. 根；根源；根基；词根；祖先
v. 生根；根源在于，来源于

nematode damage to the soybean roots is characterized by coarse roots
线虫破坏大豆根系的特征是:根系粗糙。

These plants have very deep roots.
这些植物的根长得很深。

Hope is the root of hopeful.
hope是hopeful的词根。

stock是什么意思：
n. 股票，股份；库存；血统；树干；家畜
v. 囤积，备有，进货，办货
adj. 库存的；常备的

Dividends for preferred stock underlie those of common stock.
优先股比普通股享有优先分红权

He gambles on the stock exchange.
他从事股票投机。

Compendium of Immigrant Stock Data
移民血统资料简编