Monographs Details: Sambucus canadensis L.
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Species Description - Shrub to 3 m, spreading underground and eventually forming thickets; younger stems scarcely woody, with long internodes and large white pith; lfls 5–11, usually 7, lanceolate to ovate, variable in size, acuminate, sharply serrate (rarely laciniate), the lower occasionally divided into 3, glabrous or more often hairy beneath; infl 5-rayed from the base, flat or convex, 5–15 cm wide; fls white, 3–5 mm wide; fr purple-black (seldom red, green, or yellow), edible, 5 mm; 2n=36. Moist woods, fields, and roadsides; N.S. and Que. to Man. and S.D., s. to Mex. and the W. Ind. July, Aug. The common phase in most of our range, with the lf-pubescence mostly setulose and largely restricted to the veins, is var. canadensis. Ozarkian plants, from Ill. to Tex., with fine short pubescence on both the veins and the lf-surface, may be distinguished as var. submollis Rehder.
Common Names:common elder