acaulescent

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

同义词：stemless

1. The acaulescent habit of the plant allows it to grow close to the ground, reducing water loss.
   植物的无茎习性使其能够贴近地面生长，减少水分流失。
2. Many acaulescent plants are adapted to arid environments where tall stems would be disadvantageous.
   许多无茎植物适应干旱环境，在这些环境中高大的茎不利于生存。