Mirabilis nyctaginea
Wild Four O'Clock aka Umbrella Wort
 
Interior North America

 

Tap rooted perennial of prairies especially dry soils.
 
Distinct from Mirabilis jalapa by having 3 to 5 shorter calyx tubes in a pink case rather than a single, longer calyx tube.
 
 
 
 
 

 

 

 
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