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块根

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Cassava is one of three big yams crops in the world.

木薯是世界三大薯类作物之一,其块根含有丰富的淀粉,是热带、亚热带地区近5亿人粮食的主要来源,同时也是未来生产燃料酒精的主要原材料之一。

Root cylindric, to 2 cm in diam. Caudex short, simple or rarely branched.

圆筒状的根,在2厘米直径块根短,单或很少分枝。

Stems branched from caudex and above, sometimes woody at base.

块根的茎分枝和以上,有时在基部木质。

Herbs perennial with a caudex terminated by petiolar remains of previous years.

多年生草本具一块根以petiolar第二年的残余结束。

Rhizome a fleshy caudex, thick or slender, apex usually at or slightly above ground level.

根状茎一肉质块根,纤细的厚或,先端通常在或稍高于地面。

Herbs perennial, sometimes pulvinate, with well-developed, thick caudex covered with petioles of previous years.

有时,多年生草本,具发育良好,厚块根为叶柄的第二年所覆盖。

Herbs perennial with a woody caudex or herbaceous base.

多年生草本的具一个木质的块根或草质基础。

Stems reduced to tiny portions added annually to caudex apex.

茎退化至极小的部分每年增加块根先端。

Stems simple from caudex, often branched above.

在上面的来自块根,通常分枝的茎单生。

Herbs perennial, with short rhizomes and caudex and persistent petioles.

多年生草本,具短根茎和块根和宿存的叶柄。

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