Allium sativum L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Bulbs usually compound; stem 3–8 dm, leafy to or beyond the middle; lf-blades flat, keeled on the back, 6–12 mm wide; umbel erect, producing ovoid bulblets and a few fls, the invol deciduous in one piece, terminating in a beak 3–10 cm; 2n=16. Native of w. Asia, rarely escaped from cult. in our range.