adj.(of plants) having no apparent stem above ground

同義詞：stemless

1. The acaulescent habit of the plant allows it to grow close to the ground, reducing water loss.
   植物的無(wú)莖習(xí)性使其能夠貼近地面生長(zhǎng)，減少水分流失。
2. Many acaulescent plants are adapted to arid environments where tall stems would be disadvantageous.
   許多無(wú)莖植物適應(yīng)干旱環(huán)境，在這些環(huán)境中高大的莖不利于生存。