Petrea

noun
Pe·​trea | \ˈpē‧trēə\

Definition of Petrea 

: a genus of tropical American woody vines (family Verbenaceae) having large blue or purple flowers in long racemes with the colored sepals enlarging in fruiting — see purple wreath

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History and Etymology for Petrea

New Latin, from Robert James, Baron Petre †1743 English patron of botany

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