Contains 7 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 caroliniensis | Carolina Wild-petunia, Common Wild-petunia | |||
| Ruellia ciliosa | Sandhills Wild-petunia | |||
| Ruellia humilis | Low Wild-petunia, Hairy Wild-petunia | |||
| Ruellia pinetorum | Pineland Wild-petunia | |||
| Ruellia purshiana | Pursh's Wild-petunia | |||
| Ruellia simplex | Mexican Bluebell | |||
| Ruellia strepens | Limestone Wild-petunia |
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 |
|---|---|---|---|
| No synonyms found. | |||