Flora of North America species comparison

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Melilotus wolgicus

sweetclover, volga sweet-clover
Habit Herbs biennial, 40–120(–150) cm.
Stems

erect.
Leaves

stipules linear-setaceous or subulate, 6–8(–10) mm, margins entire;

leaflet blades rhombic-ovate to oblong-lanceolate, or linear, 10–30 × 2–8 mm, margins dentate or entire.
Racemes

25–60-flowered.
Pedicels

2–4 mm.
Flowers

3–3.5 mm;

corolla white;

ovary glabrous.
Legumes

obovoid, 4–5 mm, distinctly reticulate-veined, glabrous.
Seeds

usually 1 (or 2), oblong-ovoid, 2.5 mm.
2n

= 16 [Eurasia].

Melilotus wolgicus
Phenology Flowering spring–summer.
Habitat Gravel pits, wasteland, drainage ditches, sandy banks.
Elevation 200–500 m. (700–1600 ft.)
Distribution
from FNA
MB; SK; Eurasia [Introduced in North America]
[BONAP county map]
Discussion

The Manitoba vouchers of Melilotus wolgicus are mostly G. A. Stevenson collections at DAO from the Brandon area and are almost certainly established escapes from the extensive experimental cultivation of Melilotus species by Stevenson; it has also been observed persisting in the forage plot area of the Research Station, Saskatoon, Saskatchewan, but does not appear to have spread elsewhere.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Melilotus
Sibling taxa
M. albus, M. altissimus, M. indicus, M. officinalis, M. sulcatus
Name authority Poiret in J. Lamarck et al.: Encycl., suppl. 3: 648. (1814) — (as wolgica)
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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