The leaf sheath is longer than internode, the leaf tongue is membranous, the culm leaves are narrow linear, about 1-3cm long, usually involute, the tip is gradually prickly, the lower part is gradually narrow, there is white powder, and the base is pilose. And Reed's leaf sheath and leaf tongue are similar to the former. The leaf blade is lanceolate, the top is long and tapering and hairless.
Citronella is a panicle, about 20 cm long and 3 cm wide, with spikelets about 4.5-5 mm long. And reed also is panicle, inflorescence is bigger than former, length is about 20-40 cm, width is about 10 cm, spikelet is about 12 mm..
The white fescue is a perennial herb, with a thick long rhizome, upright culm, about 30-80 cm, with 1-3 nodes. And Reed's rhizome is more developed, and higher than the former, about 1 - 3 meters, more than 20 nodes.