Geum canadense
Geum peckii
benoîte du Canada, white avens
mountain avens, White Mountain avens
30–100 cm, glabrate to downy, hairs to 1.5 mm, sometimes glandular.
7–40 cm, glabrate, sparsely downy, or pilose proximally, downy or pilose distally.
basal 10–25 cm, blade simple or pinnate, major leaflets 3–5, plus 0–4 minor basal ones, terminal leaflet larger than major laterals;
cauline 3–8 cm, stipules ± free, 4–13 × 1–7 mm, blade 3-foliolate or simple and 3-lobed to unlobed.
basal 5–15 cm, blade strongly lyrate-pinnate, major leaflet 1, minor leaflets 4–10, terminal leaflet much larger than minor laterals;
cauline 0.8–1.7(–2.5) cm, stipules not evident, blade bractlike, not resembling basal, simple, 3-fid.
3–15-flowered.
1–2(–4)-flowered.
densely hairy, hairs of varying lengths, few long stiff ones, sometimes glandular.
densely downy, usually eglandular.
erect;
epicalyx bractlets 0.5–1.5 mm;
hypanthium green;
sepals spreading but soon reflexed, 3–6 mm;
petals spreading, white, obovate to oblong, (3–)4–8 mm, ± equal to or slightly longer than sepals, apex rounded.
erect;
epicalyx bractlets 2–3 mm;
hypanthium green;
sepals spreading, 4–7 mm;
petals spreading, yellow, obcordate, nearly orbiculate, or broadly ovate, 9–13 mm, nearly 2 times sepals, apex broadly rounded, emarginate, or irregularly erose.
sessile, densely bristly, hairs 1–2.3 mm.
sessile, glabrous.
geniculate-jointed, proximal segment persistent, 2–8 mm, apex hooked, usually glabrous, sometimes sparsely hairy or stipitate-glandular, distal segment deciduous, 1–2 mm, pilose in basal 1/2, hairs much longer than diam. of style.
wholly persistent, not geniculate-jointed, 6–9 mm, apex not hooked, pilose in basal 1/3, eglandular.
= 42.
= 42.
Geum canadense
Geum peckii
Varieties and forms have been described in an effort to classify the variation encompassed in Geum canadense. In the eastern half of the United States, it is by far the most common, widespread, and variable of the Geum species. Nearly all writers of recent floras have not found it worthwhile to apply names to the variants. Perhaps the most distinctive and worthy of further consideration are plants from the southwestern corner of the range in Arkansas, Oklahoma, and Texas. These plants, some of which fit Fernald and Weatherby’s description of var. texanum, bloom from late March through May, significantly earlier than the rest of the species, which typically flowers after June first, even in the other southern states.
Geum canadense hybridizes with G. urbanum (= G. ×catlingii J.-P. Bernard & R. Gauthier); see discussion under 15. G. urbanum.
Geum album J. F. Gmelin is a superfluous name that pertains here.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Of conservation concern.
Geum peckii occurs at 0–10 m in Nova Scotia and at 1500–1900 m in New Hampshire.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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