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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Solidago, Key L: Key to "sticky goldenrods" -- with basally disposed leaves and elongate, cylindrical inflorescences, mainly of riverscour habitats [subgenus Solidago, section Erectae (in part)]

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1 Leaves, peduncles, and phyllaries copiously glandular; [Coastal Plain sandhills]
1 Leaves, peduncles, and phyllaries slightly glandular; [rocky glades, cliffs, barrens, and river-scoured outcrops, primarily on mafic or calcareous rocks].
..2 Cypselas pubescent (even when mature) [e. TN and w. VA northward]
....3 Lower stem leaves 7-15× as long as wide, (2.5-) 4.6-9.4 (-11.2) cm long, (2-) 3-9 (-17) mm wide, generally obscurely toothed; [rocky, flood-scoured riversides, from e. KY, e. TN, and n. VA northward]
....3 Lower stem leaves 3-8× as long as wide, (4.2-) 6.2-11.3 (-15.9) cm long, (5-) 10-22 (-31) mm wide, generally sharply toothed; [cliffs and barrens, primarily over mafic rocks, from w. VA northward]
..2 Cypselas glabrous (even when young); [either rocky, flood-scoured riversides of n. AL, nw. GA, sc. NC , e. TN, and e. KY, or habitat uncertain, Piedmont of SC].
......4 Involucres 5-12 mm high; inflorescence with heads more loosely arrayed, with 1-6 heads on a typical 3 cm lateral branch; [n. AL, nw. GA, , e. TN, e. KY, wc. SC]
........5 Heads 6-12 mm high; flowering Sep-Oct; [river scour habitats, n. AL, nw. GA, , e. TN, and e. KY]
........5 Heads 5-6 mm high; flowering May-Jun; [habitat uncertain, Piedmont SC]
......4 Involucres 3-5 mm high; inflorescence with heads more tightly congested, with 6-15 heads on a typical 3 cm lateral branch; [river scour habitats, e. TN and cn. NC].
..........6 Inflorescence axis and branches densely pubescent with arching hairs; basal leaves lanceolate to ovate, up to 35 mm wide; [known only from the Hiwassee River in e. TN]
..........6 Inflorescence axis and branches glabrous; basal leaves linear-lanceolate, up to 22 mm wide [known only from the Yadkin River in sc. NC]
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