They stretch out , the matte green of their leaves conveying what it would be like to touch them , to run your finger down the blade and feel the rough resistance of these durable plants ' skin : the gama grass , rough hair grass and broom beard grass 瓜地马拉草、翦股颖和小蓝茎草的细长叶片四处伸展，黯淡的表面想也知道摸起来大概是怎样的质感，用指头顺著叶脉滑下，就可感受到这些强韧植物的粗糙叶面。
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