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black vetch, giant vetch, spring vetch, tiny vetch

Vicia nigricans

Distribution
map from USDA
w North America; s South America (Argentina, Chile)
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Discussion

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.)

Parent taxa Fabaceae > subfam. Faboideae > Vicia
Sibling taxa
V. acutifolia, V. americana, V. benghalensis, V. caroliniana, V. cracca, V. disperma, V. faba, V. floridana, V. grandiflora, V. hassei, V. hirsuta, V. lathyroides, V. leucophaea, V. ludoviciana, V. lutea, V. minutiflora, V. narbonensis, V. ocalensis, V. pannonica, V. pulchella, V. sativa, V. sepium, V. tetrasperma, V. villosa
Subordinate taxa
V. nigricans var. gigantea
Name authority Hooker & Arnott: Bot. Beechey Voy., 20. (1830)
Source FNA vol. 11. Treatment author: Steven L. Broich.
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