小盼草(Chasmanthium latifolium)摄于本园植物Plants
No.04 — Chasmanthium latifolium

小盼草Northern Sea Oats

Chasmanthium latifolium

花序呈穗状的观赏植物An ornamental plant with spike-like flower heads

原产北美林地的观赏草。它的看点不是花,而是花后垂下来的一串扁平小穗——薄如纸片,两侧对称压扁,被风吹动时会互相轻碰,像一串挂起来的小鱼。An ornamental grass native to North American woodlands. The attraction is not its flowers but the strings of flat spikelets that hang down afterwards — paper-thin and pressed flat, they tap against each other in the wind like a string of little fish.

与多数观赏草不同,小盼草耐半阴,因此常被种在树荫下。冬季植株枯黄后小穗仍挂在枝上,逆光时呈半透明的浅褐色,是冬季园景中难得的细节。Unlike most ornamental grasses, northern sea oats tolerates part shade, so it is often planted under trees. After the plant turns straw-coloured in winter, the spikelets stay on the stems and glow a translucent pale brown against the light — a rare detail in the winter garden.

辨识要点How to identify it

  • 01小穗扁平,成串下垂,形似小鱼或燕麦Flat spikelets hanging in strings, like little fish or oats
  • 02叶片比多数观赏草宽,竹叶状Leaves wider than most ornamental grasses, like bamboo leaves
  • 03秋季由绿转铜褐,冬季不倒伏Turns from green to copper-brown in autumn and stays upright in winter

物种档案Species profile

科属Family
禾本科 小盼草属Grass family · Chasmanthium
株型Height
株高 0.6–1.2 米0.6–1.2 m tall
园中何处Where to look
树荫下、林缘、路缘成片种植Planted in drifts under trees, along woodland edges and path borders
观察时节When to look
花果期夏秋,枯黄后可赏至冬末Flowers and seeds in summer and autumn; dried heads last until late winter