18(17) Inflorescence subtended by a broad, 2-keeled prophyll; rachilla internodes usually distinct and disarticulating.
包着以一宽阔的部分,2龙骨状;小穗节间通常清楚和脱节。
18(17) Inflorescence subtended by a broad, 2-keeled prophyll; rachilla internodes usually distinct and disarticulating.
包着以一宽阔的部分,2龙骨状;小穗节间通常清楚和脱节。
In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
在菊科植物,数目多而聚生在外围,称为总。
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