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Webster 1913 Edition
Planipetalous
Planˊi-pet′al-ous
,Adj.
[
Plani-
+ petal
.] (Bot.)
Having flat petals.
Webster 1828 Edition
Planipetalous
PLANIPET'ALOUS
,Adj.
In botany, flat-leafed, as when the small flowers are hollow only at the bottom, but flat upwards, as in dandelion and succory.