Hexasepalum radula (Willd.) Delprete & J.H. Kirkbride

Locations ofHexasepalum radula (Willd.) Delprete & J.H. Kirkbride in Virginia

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Detail

Family
Rubiaceae
Botanical Name
Hexasepalum radula (Willd.) Delprete & J.H. Kirkbride
Common Name
Rough Buttonweed
Synonym(s)
Diodia radula (Willd. ex Roem. & Schult.) Cham.& Schltdl.
Flora of Virginia Name/Status
in Taxa Not Treated: Waifs
Comments
Bacigalupo & Cabral (1999, Darwiniana 37: 153-165) argued that the genus Diodella (originally circumscribed by Small) should be recognized as distinct from Diodia on morphological grounds. Kirkbride & Delprete (2015, J. Bot Res. Inst. Texas 9: 103-106) demonstrated that the name Hexasepalum has priority over Diodella.
Habitat
Reported from chrome ore piles in Newport News in Phytologia (1964): Reed 45917, Nov. 1959 - the only North American occurrence.
Native Status
Introduced

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