2024 Edition • Donate • Get the App • Cite this Page
X

Colors

Data mode

Account

Login
Sign up

Support FSUS...

We've finished our 2024 fundraiser. Many thanks to those who have given! It's not too late to support us (click here)...

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)]

Copy permalink to share | Check for keys that lead to this key

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]