Solidago drummondii |
Solidago ser. Drummondiani |
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Drummond's goldenrod |
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Habit | Plants 30–100 cm; caudices stout, branched, rhizomes thick. | |
Stems | usually 1, ascending to erect, uniformly short villoso-strigose, occasionally glabrate proximally. |
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Leaves | basal and proximal cauline short-petiolate, blades broadly ovate or elliptic-ovate, margins serrate, ± 3-nerved and pinnately nerved, abaxial faces (at least) evenly short villoso-strigose; mid and distal cauline like proximal, 20–70 × 10–40 mm (1.3–2 times as long as wide), usually only those near arrays reduced and 1-nerved. |
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Peduncles | 1–6 mm; bracteoles ovate, minute, grading into phyllaries. |
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Involucres | campanulate, 3–4.5 mm. |
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Ray florets | 3–7; laminae 1.5–2 × 0.5–1 mm. |
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Disc florets | 4–7; corollas (abruptly ampliate) 3–3.5 mm, lobes ca. 1 mm. |
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Phyllaries | in 3 series, strongly unequal, obtuse or rounded; mid broadly oblong, inner narrowly so. |
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Heads | 30–200+, apparently sometimes drooping, in open leafy, secund pyramidal, paniculiform arrays, branches recurved, leafy-bracteate, secund, proximalmost branch sometimes separated by several nodes from next. |
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Cypselae | 1.5–2 mm (4–8 translucent ribs), moderately short-strigose; pappi 2–2.5 mm. |
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2n | = 18. |
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Solidago drummondii |
Solidago ser. Drummondiani |
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Phenology | Flowering late Jul–Oct. | |
Habitat | Crevices of limestone ledges and bluffs, rocky woods, especially in calcareous soil | |
Elevation | 100–300+ m (300–1000+ ft) | |
Distribution |
AR; IL; MO
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Discussion | A. Cronquist (1980) listed Solidago drummondii as reputedly in Louisiana; K. N. Gandhi and R. D. Thomas (1989) did not see any specimen from that state. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 20, p. 149. | |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Aster torreyi | |
Name authority | Torrey & A. Gray: Fl. N. Amer. 2: 217. (1842) | |
Web links |