Solidago buckleyi
Solidago albopilosa
Buckley's goldenrod
white-hair goldenrod
1–5+, sparsely to moderately short strigose or villous.
1–3+, erect, flexuous in proximal arrays, moderately to densely villous.
basal withering by flowering, petiolate, smaller to much smaller than cauline, blades oblanceolate, margins serrate;
cauline sessile, blades elliptic-lanceolate or -oblanceolate, mid 80–140 × 2.5–4 mm, distally reduced, usually membranous, bases tapering, attenuate, margins sharply toothed along much of length to nearly entire, ciliate, abaxial faces short-pilose along small and large nerves, adaxial short-pilose along larger nerves.
basal withering by flowering;
basal and proximal cauline abruptly tapering to winged, villous petioles (petioles ± 1/2 or less total leaf length), blades broadly ovate to spatulate, 46–80(–90) × 23–47(–55) mm, margins serrate [teeth 6–12(–15)], abaxial faces moderately villous, more so along nerves, adaxial sparsely to moderately villoso-strigose;
distal cauline petiolate, similar to proximal or more elliptic, 27–45 × 13–20 mm, margins entire to slightly serrate.
1–6 mm, moderately canescent;
bracteoles linear to lanceolate.
3–5 mm, sparsely strigose;
bracteoles 1–3 scattered, ovate.
campanulate, 4.5–5.5 mm.
campanulate, 4.3–6.5(–7) mm.
6–8;
laminae 3–4 × 1–1.5 mm wide.
3–5;
laminae 2.4–4 × 1–1.5 mm.
8–14;
corollas 4–5 mm, lobes ca. 1.5 mm.
5–8;
corollas 2.2–2.5 mm, lobes ca. 1–2 mm.
in ca. 3 series, strongly unequal, erect to slightly squarrose-tipped, lanceolate, apices acute, glabrate, sparsely to moderately, finely stipitate-glandular.
in ca. 3 series, unequal, outer ovate, 1–1.5 mm, obtuse to acute, inner oblong, 1-nerved.
5–160 (2–10+ more per short branch cluster), in narrowly elongate paniculiform arrays, branches usually 1–6 cm (much longer in damaged plants, sometimes 1–3 proximal branches much elongated in undamaged plants), ascending and bearing short terminal racemiform or paniculiform clusters.
10–30, in short axillary and terminal racemiform/paniculiform clusters.
(reddish brown) 2–3 mm, glabrous;
pappi 4–5 mm.
(obconic) 1–2 mm, moderately hairy;
pappi 2.3–2.8 mm.
= 36.
Solidago buckleyi
Solidago albopilosa
Solidago buckleyi is an uncommon species of mesic woods, most variable in the size and number of teeth on the large mid cauline leaves. Once seen, usually it is not easily confused with S. petiolaris. Reports from farther east are for plants of S. petiolaris.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Of conservation concern.
Solidago albopilosa is found along the Red River Gorge in Menifee, Powell, and Wolfe counties. It is most similar to S. flexicaulis; it appears weaker and smaller than plants of S. flexicaulis that grow nearby, outside of the rockhouses. Its biology and origins have been discussed in detail (J. R. Beaudry 1959; M. L. Andreasen and W. H. Eshbaugh 1973). Solidago albopilosa is listed as threatened by the U.S. Fish and Wildlife Service (Federal Register 1988).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
IL Wildflowers
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