Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
ORBEXILUM Rafinesque, Atl. J. 145. 1832.
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TYPE: Orbexilum latifolium (Torrey) Rafinesque (Psoralea latifolia Torrey)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Orbexilum lupinellus | PIEDMONT LEATHERROOT | Native | ||
| Orbexilum pedunculatum | SAMPSON'S SNAKEROOT | Native FACU (NWPL) | ||
| Orbexilum virgatum | PINELAND LEATHERROOT | Native Rare-State FACU (NWPL) |
Identification Key
1. Leaves 1-foliolate
1. Leaves with 3-7 leaflets
2
2. Leaves with (3-)5-7 leaflets; leaflets linear-filiform to linear-oblanceolate, to 2(4) mm wide
2. Leaves 3-foliolate; leaflets elliptic to elliptic-lanceolate, 4-10 mm wide
3
3. Bracts, calyces and fruits eglandular, or nearly so; bracts narrowly ovate, 5– 8 mm long, 1.0–2.5 mm wide
3. Bracts, calyces and fruits markedly glandular; bracts broadly ovate, 6–10 mm long, 2–5 mm wide
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Rhytidomene | Rhytidomene Rydberg, in Britton, N. Amer. Fl. 24: 12. 1919. | TYPE: Rhytidomene lupinellus (Michaux) Rydberg (Psoralea lupinellus Michaux) |