Difference between revisions of "Orbexilum onobrychis"
N. Amer. Fl. 24: 5. 1919.
Endemic
Basionym: Psoralea onobrychis Nuttall Gen. N. Amer. Pl. 2: 104. 1818
Synonyms: Lotodes onobrychis (Nuttall) Kuntze Orbexilum latifolium (Torrey) Rafinesque P. latifolia Torrey
Treatment appears in FNA Volume 11.
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Latest revision as of 18:59, 12 March 2025
Herbs to 10 dm; with ligneous rhizome. Stems pubescent, glabrescent. Leaves pinnately 3-foliolate; stipules lanceolate to linear, 4–9 mm; petiole 20–90 mm; leaflet blades lanceolate to elliptic-lanceolate, 40–120 × 15–50 mm, surfaces adaxially sparsely glandular-punctate, sparsely pubescent. Peduncles 5–15 cm. Inflorescences cylindric, 3–20 cm. Flowers 5–6.5 mm; calyx 2–3 mm, eglandular or sparsely glandular-punctate, puberulent; corolla violet to purple, banner rounded. Legumes 8–12 × 5–5.5 mm, eglandular, papillose or warty. Seeds reniform, 4–6 mm.
Phenology: Flowering May–Jun.
Habitat: Plains, along roadsides, dry, open woods, fallow pastures.
Elevation: 200–500 m.
Distribution
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Ill., Ind., Iowa, Ky., Mo., N.C., Ohio, Tenn., Va.
Discussion
Orbexilum onobrychis is apparently extirpated from South Carolina.
Selected References
None.
Lower Taxa
None.