Height 0.2-0.8 m, diameter 0.1-0.2 cm, Internode cylindric, culm annulus flat, one branch on each node; sheath persistent, glabrous; 4-7 leaves on each twig, leaf sheath hairless, with white cilia on sheath mouth;leaves small lanceolate, 6-15 cm long, 8-14 mm wide, with white  pubsecence on both side of leaf , and more dense on its back; leaves green and with clearly yellow color or light yellow stripe, An good ornamental species for ground.