Flora of North America species comparison

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Vicia lutea

smooth yellow vetch, yellow vetch
Habit Herbs annual.
Stems

erect, sprawling, or climbing, slender to robust, 2–6 dm.
Leaves

2–6 cm;

tendrils simple or branched;

stipules foliose, approaching leaflets in size, semisagittate, with nectariferous patch abaxially;

leaflets 6–16, blades oblong to lanceolate-linear, 8–20 × 1–5 mm, apex obtuse to truncate-emarginate, abaxial surface sparsely pubescent, hairs long, pustulose-based, adaxial glabrous.
Inflorescences

1–3-flowered, 0 cm.
Flowers

18–25 mm;

calyx base symmetric, lobes unequal, abaxial lobe subequal to tube;

corolla pale to bright yellow, banner stenonychioid, blade much longer than claw, glabrous;

style compressed abaxially, pubescent apically, tufted abaxially.
Legumes

reddish black, elliptic, 25–35 × 7–14 mm, oblique-tipped, pilose, hairs tuberculate-based;

stipe to 3–4 mm.
Seeds

3–9, blackish and ± mottled, or velvety to entirely black, compressed-globose, 3 mm diam.;

hilum whitish, linear, encircling 1/6–1/5 circumference of seed.
2n

= 14.

Vicia lutea
Phenology Flowering Apr–May.
Habitat Roadsides, fields.
Elevation 0–500 m. (0–1600 ft.)
Distribution
from FNA
AL; CA; FL; LA; NC; OR; TX; c Europe; s Europe; w Asia; n Africa [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 11.
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. minutiflora, V. narbonensis, V. nigricans, V. ocalensis, V. pannonica, V. pulchella, V. sativa, V. sepium, V. tetrasperma, V. villosa
Name authority Linnaeus: Sp. Pl. 2: 736. (1753)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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