Flora of North America species comparison

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Polymnia canadensis

rayless leafcup, white-flower leaf-cup
Habit Perennials.
Stems

pilosulous to villous and/or stipitate-glandular.
Leaves

petioles 3–8(–12+) cm, sometimes raggedly winged;

blades 4–20(–40+) × 2–12(–25+) cm, larger usually deeply pinnately lobed, lobes 5–7.
Cypselae

3–4 mm, 3-angled or -ribbed.
2n

= 30.

Polymnia canadensis
Phenology Flowering May–Aug(–Oct).
Habitat Damp, shaded sites, calcareous soils
Elevation 100–1000 m (300–3300 ft)
Distribution
from FNA
AL; AR; CT; DC; GA; IA; IL; IN; KS; KY; MI; MN; MO; NC; NY; OH; OK; PA; TN; VA; VT; WI; WV; ON
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 39.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Polymniinae > Polymnia
Sibling taxa
P. cossatotensis, P. laevigata
Name authority Linnaeus: Sp. Pl. 2: 926. (1753)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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