Contains 10 accepted taxa overall.
Characteristics
Classification
Citation
RUELLIA Linnaeus, Sp. Pl. 634. 1573.
-
TYPE: Ruellia tuberosa Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 241. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Ruellia blechum | BROWNE'S BLECHUM; GREEN SHRIMP PLANT | Not Native FACW (NWPL) Y | ||
| Ruellia brevifolia | TROPICAL WILD PETUNIA | Not Native | ||
| Ruellia caroliniensis | CAROLINA WILD PETUNIA | Native FACU (NWPL) FAC (DEP) | ||
| Ruellia ciliatiflora | HAIRYFLOWER WILD PETUNIA | Not Native | ||
| Ruellia ciliosa | CILIATE WILD PETUNIA | Native | ||
| Ruellia dipteracanthus | Not Native | |||
| Ruellia noctiflora | NIGHTFLOWERING WILD PETUNIA | Native Rare-State FACW (NWPL) FACW (DEP) | ||
| Ruellia pedunculata subsp. pinetorum | STALKED WILD PETUNIA | Native | ||
| Ruellia simplex | BRITTON'S WILD PETUNIA; MEXICAN BLUEBELL | Not Native FACU (NWPL) Y FAC (DEP) | ||
| Ruellia succulenta | THICKLEAF WILD PETUNIA | Native |
Identification Key
1. Floral bracts enlarged, overlapping, foliaceous, concealing the flower buds
1. Floral bracts not densely overlapping, not concealing the flower buds
2
2. Inflorescence pedunculate, elongate and many-flowered, the bracts <1/6 as long as the subtending leaves, bracts not foliaceous
3
2. Inflroescence sessile or subsessile or generally appearing so, few-flowered, the bracts foliaceous and >1/6 as long as the subtending leaves
5
3. Corolla red to orangish red
3. Corolla bluish, purple, pink, to white
4
4. Leaves 1.6-3.8 times longer than wide; distal inflorescence branches and calyx densely stipitate-glandular
4. Leaves 3.5-22 times longer than wide; distal inflorescence branches and calyx eglandular to sparsely stipitate-glandular
5. Branches straight or nearly so, mostly at 30-60 angles, the flowers on a distinct branch from the main stem
5. Branches mostly irregular or not straight, the flowers on the main stem or clustered and nearly sessile along the main stem
6
6. Calyx 25-45 mm long; corolla white often with pinkish lines or spots, 6-11 cm long, the tube 4.5-8 cm long
6. Calyx 13-25 mm long; corolla bluish, purple, to pink, rarely white, 2-5 cm long, the tube 1-3 cm long
7
7. Plant leafy, the internodes mostly shorter than the adjacent leaves
7. Plant leafy, the internodes mostly subequal to longer than the adjacent leaves, or subscapose with few leaves
8
8. Plant <20 cm tall or long, with 5 or less nodes, usually unbranched, copiously villous-hirsute; leaves chartaceous
8. Plant 5-100 cm tall or long, with 4-20+ nodes, often branches, glabrate to villous-hirsute; leaves chartaceous to semi-succulent
9
9. Plant sparingly pubescent, erect, to 100 cm tall; leaf blades chartaceous, veins mostly green
9. Plant glabrate to villous-hirsute at least on young parts, trailing or erect to 40 cm tall; leaf blades semi-succulent, veins green to reddish; of southern Florida
10
10. Plant glabrate to sparingly pubescent; leaf veins usually reddish
10. Plant mostly villous-hirsute, at least on young parts; leaf veins greenish
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Antheilema | Antheilema Rafinesque, Fl. Tellur. 4: 66. 1838 ("1836"). | TYPE: Antheilema paniculata (Linnaeus) Rafinesque (Ruellia paniculata Linnaeus) | |
| Aphragmia | Aphragmia Nees von Esenbeck, in Lindley, Intr. Nat. Syst. Bot., ed. 2. 444. 1836. | TYPE: Aphragmia haenkei Nees von Esenbeck | |
| Arrhostoxylon | Arrhostoxylon Nees von Esenbeck, in Martius, Fl. Bras. 9: 57, t. 6. 1847. | TYPE: Arrhostoxylon glabrum Nees von Esenbeck (Lectotypified by Bremekamp, Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Tweede Sect. 45(1): 11. 1948. | |
| Blechum | Blechum P. Browne, Civ. Nat. Hist. Jamaica 261. 1756. | TYPE: Blechum brownei Jussieu 1807. (Ruellia blechum Linnaeus 1759.) | |
| Copioglossa | Copioglossa Miers, Proc. Roy. Hort. Soc. London 3: 294. 1863. | TYPE: Copioglossa pilosa Miers | |
| Cryphiacanthus | Cryphiacanthus Nees von Esenbeck, Index Sem. Hort. Vratisl. 1841; Linnaea 16: 298. 1842. | TYPE: Cryphiacanthus barbadensis Nees von Esenbeck, nom. illegit. (Ruellia tuberosa Linnaeus) = Ruellia Linnaeus 1753, by lectotypification. | |
| Dipteracanthus | Dipteracanthus Nees von Esenbeck, in Wallich, Pl. Asiat. Rar. 3: 75, 81. 1832. | TYPE: Dipteracanthus prostratus (Poiret) Nees von Esenbeck (Ruellia prostrata Poiret) Lectotypified by Bremekamp, Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Tweede Sect. 45(1): 15. 1948. | |
| Dizygandra | Dizygandra Meisner, Pl. Vasc. Gen. 1: 294; 2: 203. 1840. | TYPE: Dizygandra ovata (Willdenow) Meisner (Ruellia ovata Willdenow) | |
| Eurychanes | Eurychanes Nees von Esenbeck, in Martius, Fl. Bras. 9: 52, t. 3. 1847. | TYPE: Eurychanes verbasciformis Nees von Esenbeck | |
| Fabria | Fabria E. Meyer ex Nees von Esenbeck, in de Candolle, Prodr. 11: 113. 1847. | TYPE: Fabria pilosa (Linnaeus f.) Nees von Esenbeck (Ruellia pilosa Linnaeus f.) | |
| Gymnacanthus | Gymnacanthus Nees von Esenbeck, in Lindley, Intr. Nat. Syst. Bot., ed. 2. 444. 1836. | TYPE: Gymnacanthus petiolaris Nees von Esenbeck | |
| Gymnacanthus | Gymnacanthus Oersted, Vidensk. Meddel. Dansk Naturhist. Foren. Kjoebenhavn 1854: 126. 1855, non Nees von Esenbeck 1836. | TYPE: Gymnacanthus geminiflorus (Kunth) Oersted (Ruellia geminiflora Kunth) | |
| Holtzendorffia | Holtzendorffia Klotzsch & H. Karsten ex Nees von Esenbeck, in de Candolle, Prodr. 11: 727. 1847. | TYPE: Holtzendorffia caracasana Klotzsch & H. Karsten ex Nees von Esenbeck | |
| Homotropium | Homotropium Nees von Esenbeck, in Martius, Fl. Bras. 9: 47, t. 2. 1847. | TYPE: Homotropium erythrorhizum Nees von Esenbeck | |
| Neowedia | Neowedia Schrader, Goett. Gel. Anz. 1821: 706. 1821. | TYPE: Neowedia speciosa Schrader Lectotpyified by Bremekamp, Index Nom. Gen. 1/01767. 1956. | |
| Ophthalmacanthus | Ophthalmacanthus Nees von Esenbeck, in de Candolle, Prodr. 11: 219. 1847. | TYPE: Non designatus. | |
| Pattersonia | Pattersonia J. F. Gmelin, Syst. Nat. 2: 888, 925. 1792. | TYPE: Pattersonia caroliniensis J. F. Gmelin | |
| Pentstemonacanthus | Pentstemonacanthus Nees von Esenbeck, in Martius, Fl. Bras. 9: 159. 1847. | TYPE: Pentstemonacanthus modestus Nees von Esenbeck | |
| Salpingacanthus | Salpingacanthus S. Moore, J. Bot. 42: 107. 1904. | TYPE: Salpingacanthus nobilis S. Moore | |
| Sclerocalyx | Sclerocalyx Nees von Esenbeck, in Bentham, Bot. Voy. Sulphur 145. 1846. | TYPE: Sclerocalyx mexicanus Nees von Esenbeck | |
| Scorodoxylum | Scorodoxylum Nees von Esenbeck, in Bentham, Pl. Hartw. 236. 1846. | TYPE: Scorodoxylum hartwegianum Nees von Esenbeck | |
| Siphonacanthus | Siphonacanthus Nees von Esenbeck, in Martius, Fl. Bras. 9: 45, t. 1. 1847. | TYPE: Siphonacanthus villosus Nees von Esenbeck | |
| Solaenacanthus | Solaenacanthus Oersted, Vidensk. Meddel. Dansk Naturhist. Foren. Kjoebenhavn 1854: 122. 1855. | TYPE: Solaenacanthus longiflorus (Vahl) Oersted (Ruellia longiflora Vahl) | |
| Stemonacanthus | Stemonacanthus Nees von Esenbeck, in Martius, Fl. Bras. 9: 53, t. 4. 1847. | TYPE: Stemonacanthus salviifolius Nees von Esenbeck Lectotypified by Leonard, Contr. U.S. Natl. Herb. 31: 66. 1951. | |
| Stephanophysum | Stephanophysum Pohl, Pl. Bras. Icon. Descr. 2: 83, t. 155-156. 1831 ("1830"). | TYPE: Stephanophysum longifolium Pohl Lectotypified by Bremekamp, Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Tweede Sect. 45(1): 13. 1948. | |
| Tremacanthus | Tremacanthus S. Moore, J. Bot. 42: 33. 1904. | TYPE: Tremacanthus robertii S. Moore | |
| Ulleria | Ulleria Bremekamp, Proc. Kon. Ned. Akad. Wetensch., Ser. C. 72: 423. 1969. | TYPE: Ulleria geminiflora (Kunth) Bremekamp (Ruellia geminiflora Kunth) |