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Rubiaceae
Houstonia
Houstonia purpurea var. calycosa
Houstonia purpurea var. calycosa
No common name
A.Gray 1884 -
Syn. Fl. N. Amer. 1(2): 26 (1884)
Specifications
Images
Synonyms
Hedyotis calycosa
Shuttlew. ex A.Gray
Houstonia lanceolata
(Poir.) Britton
Hedyotis lanceolata
Poir.
Hedyotis purpurea var. calycosa
(A.Gray) C.Mohr
Houstonia calycosa
(A.Gray) Mohr