Glumes ovate-elliptic, hirtellous above middle; leaf sheaths about as long or longer than internodes.
颖片卵状椭圆形，具微糙硬毛的在中部以上；关于节间等长或长于的叶鞘。Graceful, sword-shaped leaves, similar to those of the corn plant, fold in a sheath around the stem.
优雅的剑形叶类似玉蜀黍叶，卷曲成叶鞘裹在茎上。Inflorescence a short dense head, subtended by an inflated leaf sheath with rudimentary blade.
花序一紧密的短头状花序，以一膨大的叶鞘具不发育叶片被包着。axillary cleistogamous spikelets also present concealed within the upper leaf sheaths.
腋生闭花受精小穗也给在上面叶鞘内隐藏。Bulb cylindric, enveloped by fibers derived from disintegrated leaf sheaths, usually with a short rhizome at base.
圆筒状的鳞茎，被瓦解的叶鞘的纤维包围，通常具一短根状茎在基部。The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.
内皮层皮层的最内层，在根、茎的导管组织周围形成一道叶鞘（茎衣）The vertical structures of leaf sheath biomass were not the same during different sampling periods.
叶鞘生物量的垂直结构在各取样时期并不相同；Inflorescence usually a contracted panicle, enclosed in uppermost leaf sheath or shortly exserted, spikelets few.
短在最上部的叶鞘或通常花序收缩圆锥花序，内藏，很少的小穗。Even more amazing were the many red ants that had gathered to form a ball encircling the leaf sheath.
更不可思议的是，树上有很多红蚂蚁，都聚集成球，围在叶鞘四周。