Angiosperms (Flowering Plants) • Earth.com

Rough Buttonweed

(Hexasepalum radulum)

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Description

Diodia (or Buttonweed) is a genus of flowering plants in the Rubiaceae family. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and tropical Africa.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order:Gentianales
Family:Rubiaceae
Genus:Hexasepalum
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