18(17) Inflorescence subtended by a broad, 2-keeled prophyll; rachilla internodes usually distinct and disarticulating.
花序被包着以一宽分,2龙骨状;小穗轴间通常清楚和脱。
18(17) Inflorescence subtended by a broad, 2-keeled prophyll; rachilla internodes usually distinct and disarticulating.
花序被包着以一宽分,2龙骨状;小穗轴间通常清楚和脱。
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