Solidago elongata |
Solidago pinetorum |
|
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Cascade Canada goldenrod, narrow goldenrod, west coast Canada goldenrod, west coast goldenrod, west coast or Cascade Canada goldenrod |
pineywoods goldenrod, Small's goldenrod |
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Habit | Plants 25–150 cm; rhizomes short to long creeping, forming few- to many-stemmed clones. | Plants 40–110 cm; caudices branched, woody, new rosettes arising at bases of old stems or at ends of 0.5–5 cm rhizomes. |
Stems | 1–20+, erect, proximally sparsely to moderately strigoso-villous, distally usually moderately to densely so. |
1–5+, ascending to erect, slender, glabrous; distal axils bearing short lateral branches with several spreading leaves. |
Leaves | basal 0; proximal cauline sessile, blades narrowly to broadly oblanceolate, 35–75(–100) × (6–)7.5–14(–20) mm, proximal much smaller, tapering to bases, margins subentire or finely serrulate to coarsely, sharply serrate (teeth 0–9 per side), ciliate, 3-nerved, sometimes obscurely so, apices acute, abaxial faces glabrate to sparsely short-strigose, adaxial glabrous; mid to distal cauline sessile, blades oblanceolate, becoming lanceolate distally, 20–60 × 4–8(–11) mm, largest near mid stem, somewhat to much reduced distally, margins entire or finely serrulate, rarely serrate (teeth 1–8 per side), usually becoming entire to sparsely serrulate distally, ciliate, apices acute, faces glabrous or sparsely strigoso-villous, more so along abaxial nerves. |
basal blades mostly linear-oblanceolate, 40–160 × 10–20 mm, smallest (10 mm) nearly spatulate, margins shallowly serrate or subentire, sometimes ciliate, ± strongly 3-nerved, apices obtuse to mostly acute, faces glabrous; mid and distal cauline spreading to reflexed, blades linear, 15–60 × 1–4 mm, reduced to linear bracts in arrays, glabrous. |
Peduncles | 2–7 mm, sparsely to moderately short strigoso-villous; bracteoles 1–3, linear, rarely minutely stipitate-glandular. |
1–5 mm, bracts 0–5, linear-lanceolate, 1–3 mm, distal grading into phyllaries. |
Involucres | narrowly campanulate, 2.5–3.5(–4) mm. |
narrowly campanulate, 3–4 mm. |
Ray florets | (8–)11–15(–17); laminae 1–2.5 × 0.1–0.4(–0.7) mm. |
3–7; laminae 2–3 × ca. 0.5 mm. |
Disc florets | (3–)5–11(–16); corollas 2.6–3.7(–4) mm, lobes 0.5–1.2 mm. |
5–9; corollas 3–3.5 mm, lobes 0.5–0.8 mm. |
Phyllaries | in 3–4 series, strongly unequal, margins sparsely long ciliate, acute, faces glabrous, rarely sparsely minutely stipitate-glandular; outer lanceolate, inner linear-lanceolate. |
in 2–3 series, strongly unequal, oblong-lanceolate, obtuse to rounded, glabrous. |
Heads | 12–500+, sometimes secund, in short to long, thyrsiform or narrowly secund-pyramidal paniculiform arrays, usually congested, club-shaped to rarely wand-shaped, (2.5–) 10–20 × (2–)4–8(–10) cm, branches usually ascending or sometimes arching spreading. |
50–350, secund, in paniculiform arrays, openly secund-pyramidal with proximal branches spreading recurved, or as broad as long with proximal branches widely ascending, recurved (elm-tree shaped). |
Cypselae | (narrowly obconic) 1–1.5 mm, sparsely to moderately strigose; pappi 2.5–3.3 mm. |
(obconic) 1 mm (with several prominent ridges), glabrous or slightly hairy distally; pappi 2–3 mm. |
2n | = 18, 36. |
= 18. |
Solidago elongata |
Solidago pinetorum |
|
Phenology | Flowering Aug–Oct. | Flowering Jul–Sep. |
Habitat | Sandy, gravelly soils, coastal headlands, thickets, open woods, meadows, along streams and creeks | Open places and dry woods, especially in sandy soil, rocky sand bars |
Elevation | 0–2800 m (0–9200 ft) | 0–400(–700) m (0–1300(–2300) ft) |
Distribution |
CA; OR; WA; Mexico (Baja California)
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NC; SC; VA
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Discussion | In California, coastal plants of Solidago elongata often have thicker leaves; those of the Sierras are often membranous and obscurely triple-nerved. This species can be similar to S. lepida, which usually has much larger distal cauline leaves. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Solidago pinetorum is found in the Piedmont and the Atlantic coastal plain. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 154. | FNA vol. 20, p. 141. |
Parent taxa | Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Triplinerviae | Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Junceae |
Sibling taxa | ||
Synonyms | S. canadensis subsp. elongata, S. caurina, S. elongata var. microcephala, S. lepida var. caurina, S. lepida var. elongata | |
Name authority | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 327. (1841) | Small: Fl. S.E. U.S., 1200, 1339. (1903) |
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