Vicia narbonensis |
Vicia nigricans |
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narbonne vetch, purple broad vetch |
black vetch, giant vetch, spring vetch, tiny vetch |
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Habit | Herbs annual. | |
Stems | erect, stout, 3–7 dm. |
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Leaves | 3–8 cm; tendrils simple on proximal leaves, branched on distal leaves; stipules foliose, approaching leaflets in size, semicordate, with nectariferous patch abaxially; leaflets 2–6, blades obovate to elliptic, 30–60 × 20–35 mm, margins rarely serrate, apex obtuse, surfaces sparsely pubescent. |
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Inflorescences | 1–4-flowered, to 1 cm, much shorter than subtending leaf rachis. |
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Flowers | 15–30 mm; calyx base symmetric, lobes unequal, to 2 times as long as tube; corolla purple, drying black, banner stenonychioid, blade subequal to claw, glabrous; style compressed abaxially, pubescent apically, tufted abaxially. |
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Legumes | black, linear, 30–70 × 10–15 mm, oblique-tipped, glabrous, sutures with pustulate-based bristles; stipe absent. |
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Seeds | 4–6, purplish violet to black, subglobose or compressed-globose, 5–6 mm diam.; hilum whitish, short, oblong, encircling 1/8 circumference of seed. |
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2n | = 14. |
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Vicia narbonensis |
Vicia nigricans |
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Phenology | Flowering Apr–May. | |
Habitat | Disturbed areas. | |
Elevation | 0–500 m. (0–1600 ft.) | |
Distribution |
DC; MD; NY; Europe [Introduced in North America; introduced also in Africa] |
w North America; s South America (Argentina, Chile)
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Discussion | Vicia narbonensis is cultivated as a forage crop and is locally established in the flora area. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (1 in the flora). Variety nigricans is known from Pacific coastal areas of southern South America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Subordinate taxa | ||
Name authority | Linnaeus: Sp. Pl. 2: 737. (1753) | Hooker & Arnott: Bot. Beechey Voy., 20. (1830) |
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