Rhizomatous perennial wood aster of eastern North America with white flowers.
北美开白花的根状茎多年生林紫菀。
On moisture gradient, the patience of bunchgrass stipa to water stress is more strong than rhizomatous grass, which shows stipa plants more adapt to develop in the arid and semi arid areas.
通过水分梯度实验发现丛生禾草针茅对水分胁迫的耐性高于根茎型禾草羊草，表明了针茅类植物对干旱半干旱区的高度适应性。
On moisture gradient, the patience of bunchgrass stipa to water stress is more strong than rhizomatous grass, which shows stipa plants more adapt to develop in the arid and semi arid areas.
通过水分梯度实验发现丛生禾草针茅对水分胁迫的耐性高于根茎型禾草羊草，表明了针茅类植物对干旱半干旱区的高度适应性。
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