Galega officinalis
common goat's-rue, French lilac, galéga officinal, goat's rue, professor-weed
clumped from caudex, 40–140 cm.
(6–)8–20 × (3–)6–10 cm;
stipules opposite petiole, base sagittate, margins toothed;
leaflet blades linear-elliptic, (15–)30–50 × 25–18 mm, apex mucronate.
reflexed at anthesis, erect in fruit, 2–4.5 mm, glabrous.
calyx campanulate, subactinomorphic, tube 2–2.5 mm, 10-veined, glabrous, teeth subequal, puberulent or glabrous;
banner shallowly lobed, wings equal or subequal to keel, keel 7–11 mm, apex blunt.
ascending, light green, shallowly torulose with constrictions between seeds, sutures prominent, 25–45 × 2–3 mm.
= 16.
Galega officinalis
Galega officinalis was introduced as a forage plant in northern Utah during the early twentieth century by a professor at the Utah Agricultural College. The species quickly became weedy in agricultural sites and it was given the local name professor weed; it has become a noxious weed in most of its range in North America. The plants contain toxic alkaloids.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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