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Show caption*© Michael John Oldham, some rights reserved (CC BY-NC), uploaded by Michael John Oldham | |
3 Lower midstem leaves narrowly lanceolate, 5-15 cm long, 0.8-3 cm wide, 5-6× as long as wide; stems strongly arching; plants growing singly; [widespread in our area] | |
3 Lower midstem leaves broadly lanceolate to rhombic, 5-9 cm long, 1.3-2.4 cm wide, 3-4× as long as wide; stems weakly arching; plants usually strongly clonal, forming relatively dense patches; [Coastal Plain, NC to FL, west to LA and AR] | |
2 Stem striate-angled, green. | |
6 Leaves 1-2.2 (-2.5)× as long as wide, abruptly contracted to a winged petiole; teeth of the leaf margins elongate and narrow, acuminate, mostly (2-) 3-8 mm long (as measured on the upper side of the tooth) | |
8 Plants solitary; involucres (5-) 5.6-7 (-8) high, eglandular; phyllaries 0.7-1 mm wide, usually 1-nerved; stems 4-9 (-10) dm tall; ray flowers 2-4 (-6); [broadly Appalachian] | |
8 Forming dense, clonal colonies from thick, creeping rhizomes; involucres 6.4-8.5 (-9) high, glandular pubescent; phyllaries 1-1.5 mm wide, usually 3-10-nerved; stems (2-) 7-16 dm tall; ray flowers 5-8; [apparently restricted to high elevations in the Blue Ridge of w. NC, e. TN, and sw. VA] |