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37 ruellias species
Ruellia devosiana
Ruellia macrantha
Ruellia ciliosa
Ruellia elegans
Ruellia coccinea
Ruellia makoyana
Ruellia amoena
Ruellia californica
Ruellia runyonii
Ruellia chartacea
Ruellia nudiflora
Ruellia squarrosa
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