Ruellia

Ruellia makoyana

The Ruellien ( Ruellia ) are a genus of flowering plants in the family Acanthaceae ( Acanthaceae ). It contains about 150 to 300 species. The genus name honors the physician and botanist Jean Ruel, latin Ruellius ( 1474-1537 ).

Description

Ruellia species grow as upright, climbing or creeping, annual to perennial herbaceous plants and shrubs. The stem is square. The oppositely arranged and constantly stalked or sessile leaves are usually simple. The leaf margins are smooth. Stipules absent.

The terminal or pendent inflorescences are different diverse. Bracts are present or absent. The often large, hermaphroditic flowers are fünfzählig and radial symmetry to zygomorph. The five sepals are more or less equal length, and grow together only at their base. The five petals are fused two-lipped tube- to funnel-shaped. The color of the petals is yellow, white or red to purple. Two of the four fertile stamens are fused together. Two carpels are a superior ovaries grown from two to ten ovules per ovary chamber. The style ends in a non- bilobed scar. Pollination is by insects ( entomophily ).

Usually two to twenty seeds ripen in zweifächerigen capsule fruits. The distribution unit ( diaspore ) is the seed.

Distribution and systematics

The Ruellia species are from the tropical to the subtropical regions of the New World and the Old World native to both hemispheres.

The genus Ruellia belongs to the large tribe Ruellieae in the subfamily Acanthoideae.

Synonyms for Ruellia L. are: Aphragmia Nees Nees Arrhostoxylum, Blechum P.Br., Brunoniella Bremek, Copioglossa Miers, Cryphiacanthus Nees, Dinteracanthus CBClarke ex Schinz, Dipteracanthus Nees, Endosiphon T.Anderson ex Benth.. & Hook. f, Eusiphon Benoist, Gymnacanthus Nees, Gymnacanthus Oerst. , Leptosiphonium F.Muell. , Nothoruellia Bremek. , Pararuellia Bremek. , Pattersonia JFGmel. , Polylychnis Bremek. , Sclerocalyx Nees, Stenoschista Bremek. , Stephanophysum Pohl, Tacoanthus Baill. , Ulleria Bremek ..

Selected species

There are about 150 to 300 species in the genus Ruellia:

  • Ruellia affinis ( Schrad. ) Lindau
  • Ruellia albopurpurea Benoist
  • Ruellia anaticollis Benoist
  • Ruellia ansericollis Benoist
  • Ruellia blumei Steud. ( Syn: Ruellia Flower tetragona )
  • Ruellia brittoniana E.Leonard
  • Ruellia capuronii Benoist
  • Ruellia caroliniensis ( J.F.Gmel. ) Steud. ( Syn: Pattersonia caroliniensis J.F.Gmel. )
  • Ruellia cernua Roxb.
  • Ruellia chartacea ( T.Anderson ) Wassh.
  • Ruellia ciconiicollis Benoist
  • Ruellia ciliatiflora Hook. ( Syn: Ruellia lorentziana Griseb. )
  • Ruellia ciliosa Pursh
  • Ruellia colorata Baill.
  • Ruellia cyanea ( Nees ) T. Anderson
  • Ruellia decaryi Benoist
  • Ruellia dequairei Benoist
  • Ruellia detonsa Benoist
  • Ruellia devosiana Jacob - Makoy E.Morren ex
  • Ruellia dissidens Benoist
  • Ruellia drymophila Hand. - Mazz.
  • Ruellia elegans Poir.
  • Ruellia fiherenensis Benoist
  • Ruellia fulgida Andrews
  • Ruellia geniculata ( Nees ) Benoist
  • Ruellia heterosepala Benoist
  • Hairy Ruellie ( Ruellia humilis Nutt. )
  • Ruellia indecora Benoist
  • Ruellia latisepala Benoist
  • Ruellia linifolia Benoist
  • Ruellia macrantha Mart. ex Nees
  • Ruellia macrophylla Vahl
  • Ruellia makoyana Hort.Makoy ex Closon: It is used as a houseplant.
  • Ruellia misera Benoist
  • Ruellia monanthos ( Nees ) Boii ex T.Anderson
  • Ruellia nummularia Benoist
  • Ruellia patula Jacq.
  • Ruellia pauciovulata Benoist
  • Ruellia pedunculata Torr. ex A. Gray
  • Ruellia poissonii Benoist
  • Ruellia port harboring Hook. f
  • Ruellia prostrata Poir. (Syn. Dipteracanthus prostratus ( Poir. ) Nees )
  • Ruellia quadrisepala Benoist
  • Ruellia rivularis ( Benoist ) Boivin ex Benoist
  • Ruellia rosea Hemsl.
  • Ruellia saccifera Benoist
  • Ruellia simplex C.Wright ( Syn: Ruellia brittoniana Leonard, Ruellia coerulea Morong, Ruellia spectabilis Britton, Ruellia tweedieana Griseb. )
  • Ruellia sindica A.Ghafoor & Heine
  • Ruellia singularis Benoist
  • Ruellia squarrosa ( Fenzl ) Cufod. ( Syn: Dipteracanthus squarrosus Fenzl )
  • Ruellia spatulifolia Benoist
  • Ruellia stelligera Benoist
  • Kahle Ruellie ( Ruellia strepens L.)
  • Ruellia transitoria Benoist
  • Ruellia tuberosa L. (syn.: Ruellia picta Lodd et al. ).
  • Ruellia turbinis Benoist
  • Ruellia zeylanica Roxb.

Previously the genus Ruellia species ( selection):

  • Ruellia alata → Strobilanthes wallichii
  • Alopecuroidea Ruellia, Ruellia alopecuroides → Teliostachya alopecuroidea
  • Ruellia difformis → Indian Water Star ( Hygrophila difformis )
  • Ruellia brasiliensis, Ruellia costata → Hygrophila costata
  • Ruellia repanda → Hemigraphis repanda

Swell

  • Kamal Akhtar Malik Abdul Ghafoor &: Ruellia in the Flora of Pakistan: Online.
  • EA Tripp: Evolutionary relationships within the species -rich genus Ruellia ( Acanthaceae ), in Syst.. Bot 32, 2007, pp. 628-649.
  • Entry in the Tree of Life project. (English )
  • HR Coleman: Ruellia. Described in the Western Australian Flora, 2008 (English )
  • Entry in GRIN ( Germplasm Resources Information Network) - Ruellia.
Asterids Ovary (botany)
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