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Rubiaceae
Houstonia
Houstonia
Genus of the Rubiaceae family with
35
species.
Houstonia caerulea
Quaker-ladies
Rubiaceae
10%
Houstonia pusilla
Tiny bluet
Rubiaceae
6%
Houstonia purpurea
Venus' pride
Rubiaceae
12%
Houstonia longifolia
Longleaf summer bluet
Rubiaceae
16%
Houstonia procumbens
Rubiaceae
8%
Houstonia wrightii
Rubiaceae
12%
Houstonia serpyllifolia
Thymeleaf bluet
Rubiaceae
6%
Houstonia acerosa
Rubiaceae
8%
Houstonia micrantha
Southern bluet
Rubiaceae
10%
Houstonia rubra
Red bluet
Rubiaceae
10%
Houstonia canadensis
Rubiaceae
8%
Houstonia humifusa
Rubiaceae
4%
Houstonia palmeri
Rubiaceae
6%
Houstonia subviscosa
Rubiaceae
8%
Houstonia parviflora
Rubiaceae
6%
Houstonia sharpii
Rubiaceae
6%
Houstonia spellenbergii
Rubiaceae
4%
Houstonia teretifolia
Rubiaceae
4%
Houstonia croftiae
Rubiaceae
6%
Houstonia prostrata
Rubiaceae
4%
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