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Ruellia

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Ruellia


Plant Characteristics
Cultivation
Scientific Names

Acanthaceae >

Ruellia >


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Ruellia (Wild petunia; syn. Aphragmia, Arrhostoxylum, Copioglossa, Dinteracanthus, Dipteracanthus, Eurychanes, Nothoruellia, Sclerocalyx, Stenoschista) is a genus of plants in the family Acanthaceae.


Read about Ruellia in the Standard Cyclopedia of Horticulture 

Ruellia (after Jean de la Ruelle, a French botanist). Syn. Stephanophysum. Acanthaceae. Villous, pubescent or rarely glabrous herbs or shrubs, a few species grown under glass and also outdoors mainly in the South.

Leaves opposite, entire or rarely dentate: fls. shades of blue or purple to violet, white, rose to red and rarely yellow to orange, sessile to long-peduncled, axillary, solitary or fascicled or cymose paniculate; calyx deeply 5-cleft or 5-parted, segms. linear or lanceolate; corolla-tube straight incurved or abruptly inflexed, the limb spreading, the lobes ovate or rounded; stamens 4, didynamous: caps, oblong-linear or clavate. About 200 species, chiefly Trop. S. Amer., a few in N. Amer. and extra-Trop. S. Amer., some in Trop. and S. Afr., Temp. Asia and in Austral. R. solitaria, Veil., is offered in the European trade, but its identity is doubtful, as R. solitaria, Vell., has been referred by some to R. Schnaeriana, Lindau, by others to R. calvescens, Lindau.—R. varians, Vent., is Daedalacanthus nervosus.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Species

Gallery

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References

External links


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