1.【植】具白粉的,具果霜的
1.describes something such as a fruit or a leaf that has a white powdery coating
1.Leaf blade lanceolate to linear, pruinose abaxially when fresh, reticulate veins slender but prominent.
叶片披针形的到线形，具粉霜的背面的新鲜时，网脉纤细但是突出。
2.Leaves sessile or subsessile; stems pruinose, with condensed nodes.
叶无柄或近无柄具粉霜的茎，具压缩的节。
3.Stipules absent; leaf blade abaxially pruinose.
托叶无叶片背面具粉霜。
4.7 (6) Culms initially glabrous but pruinose, culm sheaths glabrous or with sparse setae.
最初秆无毛但是具粉霜，稀的竿箨无毛或具。
5.Branchlets thin, not pruinose; leaf blade oblong or elliptic, to 3. 5 cm.
小枝薄，不具粉霜；叶片长圆形或椭圆形，对3.5厘米。
6.internodes cylindrical, to 35 cm, glabrous, initially densely pruinose, retrorsely setose;
节间圆柱体，对35厘米，无毛，最初浓密具粉霜，反曲具刚毛；
7.nodes densely pruinose, dark gray powdery when old;
浓密具粉霜的节，深灰色敷粉的老时；
8.Capsule not reflexed, obovoid or long obovoid, 2. 5--3. 5 cm, pruinose, base usually oblique, apex emarginate;
蒴果不反折，倒卵球形或长，2.5-3.5厘米，具粉霜，通常偏斜的基部，先端微缺；