Tephrosia virginiana |
Tephrosia mohrii |
|
---|---|---|
goat's-rue, Virginia tephrosia, wild goat's-rue |
dwarf goat's-rue, pineland hoarypea |
|
Habit | Herbs. | Herbs. |
Stems | erect, 30–70 cm, densely villous or sericeous to sparsely strigulose or glabrate. |
erect, 10–15(–20) cm, strigulose. |
Leaves | petiole 1–5(–10) mm; leaflets (9–)13–23(–35), blades elliptic to oblong, 10–25(–30) × (3–)4–7 mm, length 2–5(–6) times width, apex obtuse or rounded to truncate, surfaces strigose to sericeous. |
petiole 3–10 mm; leaflets (9–)13–27, blades elliptic to oblong or obovate-oblong, 6–12 × 4–5.5 mm, length 1.8–2.8 times width, apex obtuse or rounded to truncate, surfaces strigose, adaxial sparsely so. |
Racemes | 10–40-flowered, 2–8 cm, mostly above level of leaves; floral bracts caducous, setaceous. |
4–12-flowered, flowers mostly axillary in distal portion of leafy stems; floral bracts caducous, setaceous. |
Flowers | corolla yellow and pink (banner yellow, wings pink, keel yellow-pink striped), 15–20 mm; stamens monadelphous; style bearded. |
corolla cream, pink, and white (banner cream, wings and keel dark pink to white), 13–17 mm; stamens monadelphous; style bearded. |
Legumes | 30–55 × 4–5 mm, strigose to villous. |
36–58 × 4–5.5 mm, strigose. |
2n | = 22. |
|
Tephrosia virginiana |
Tephrosia mohrii |
|
Phenology | Flowering May–Jun(–Aug). | Flowering (Mar–)Apr–May(–Jul). |
Habitat | Sandhills, pinelands, dry, sandy oak-pine savannas, xeric and/or rocky woodlands and forests, outcrops, barrens, dry roadbanks. | Sandhills and sand ridges with turkey oak or longleaf pine, mixed with yaupon, turkey oak, sand live-oak, and laurel oak, sandy roadsides. |
Elevation | 50–700 m. (200–2300 ft.) | 10–100 m. (0–300 ft.) |
Distribution |
AL; AR; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; ME; MN; MO; MS; NC; NE; NH; NJ; NY; OH; OK; PA; RI; SC; TN; TX; VA; WI; WV; ON
|
AL; FL; GA |
Discussion | Tephrosia virginiana is the only member of the genus that occurs in Canada, where it is known only from the vicinity of Turkey Point in southern Ontario. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Tephrosia mohrii is known from Covington and Houston counties in Alabama; Okaloosa, Santa Rosa, and Walton counties in Florida; and Ben Hill and Grady counties in Georgia. The species appears to intergrade with T. virginiana. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Faboideae > Tephrosia | Fabaceae > subfam. Faboideae > Tephrosia |
Sibling taxa | ||
Synonyms | Cracca virginiana, T. latidens, T. virginiana var. glabra, T. virginiana var. holosericea, T. virginica | Cracca mohrii, T. virginiana var. mohrii |
Name authority | (Linnaeus) Persoon: Syn. Pl. 2: 329. (1807) | (Rydberg) R. K. Godfrey: Brittonia 10: 169. (1958) |
Web links |