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汉语拼音：dì xià jīng

植物生长在地面以下的变态茎，包括根状茎、块茎、鳞茎和球茎。

1. 指植物的茎生长在地面以下的部分。有根茎、块茎、鳞茎等。是地上茎由于环境条件的影响而引起的变态，其功能主要是贮藏养料。

• A comparative anatomical investigation and systematic classification studies on rhizomes of Chinese monopodial bamboos.

  国产散生竹地下茎的比较解剖观察及分类学的初步研究。

• The thickened underground storage organ of the group of perennials which includes daffodils and tulips .

  球茎黄水仙和郁金香等多年生植物肥厚的地下茎。

• their fructification rate is high, and the underground stem will not become into lotus root, so its view value is higher than common lotus.

  花繁密，结实率高，地下茎不会膨大成藕，所以比普通荷花观赏价值高。

• Bulb: a short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within.

  鳞茎，球根：一个短的，可修剪的，地下茎，常被肉层的可修剪的叶子包裹着，内部含有根部所需的养分。

• A potato consists mainly of starch stored by the potato plant in its underground stem.

  马铃薯的主要成份是淀粉，是由马铃薯身把它存在其地下茎里的。

• As the potato plant grows, its compound leaves manufacture starch that is transferred to the ends of its underground stems (or stolons).

  随着马铃薯的生长，植物的复叶开始制造淀粉并转移到其地下茎（或匍匐茎）的末端。

• Short, thickened, mostly underground stem that constitutes the resting stage of certain seed plants.

  某些种子植物休眠期一种短而粗的肉质地下茎。

• type genus of Cyperaceae; grasslike rhizomatous herbs; cosmopolitan except very cold regions.

  莎草属；草型地下茎草本植物；广域除去非常寒冷地区。

• False. Potatoes are underground stems called tubers .

  错。土豆属于地下茎类又称作块茎类蔬菜。