Polymnia canadensis |
Polymnia laevigata |
|
---|---|---|
rayless leafcup, white-flower leaf-cup |
Tennessee leafcup |
|
Habit | Perennials. | Perennials. |
Stems | pilosulous to villous and/or stipitate-glandular. |
glabrous or glabrate. |
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. |
petioles 3–10+ cm, seldom, if ever, winged; blades 4–20(–40+) × 2–12(25+) cm, larger usually deeply pinnately lobed, lobes 5–11. |
Cypselae | 3–4 mm, 3-angled or -ribbed. |
ca. 3 mm, 4–6-angled or -ribbed. |
2n | = 30. |
= 30. |
Polymnia canadensis |
Polymnia laevigata |
|
Phenology | Flowering May–Aug(–Oct). | Flowering Jul. |
Habitat | Damp, shaded sites, calcareous soils | Damp, shaded sites, calcareous soils |
Elevation | 100–1000 m (300–3300 ft) | 10–300 m (0–1000 ft) |
Distribution |
AL; AR; CT; DC; GA; IA; IL; IN; KS; KY; MI; MN; MO; NC; NY; OH; OK; PA; TN; VA; VT; WI; WV; ON
|
AL; FL; GA; KY; MO; TN |
Source | FNA vol. 21, p. 39. | FNA vol. 21, p. 39. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Polymniinae > Polymnia | Asteraceae > tribe Heliantheae > subtribe Polymniinae > Polymnia |
Sibling taxa | ||
Name authority | Linnaeus: Sp. Pl. 2: 926. (1753) | Beadle: Bot. Gaz. 25: 278. (1898) |
Web links |