Solidago elongata |
Solidago verna |
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Cascade Canada goldenrod, narrow goldenrod, west coast Canada goldenrod, west coast goldenrod, west coast or Cascade Canada goldenrod |
spring-flowering goldenrod |
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Habit | Plants 25–150 cm; rhizomes short to long creeping, forming few- to many-stemmed clones. | Plants 50–120 cm; caudices branching, woody. |
Stems | 1–20+, erect, proximally sparsely to moderately strigoso-villous, distally usually moderately to densely so. |
1, ascending-erect, softly short villous. |
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 and proximal cauline winged-petiolate petioles (petioles 1/2+ leaf length), blades broadly ovate (or subcordate) to elliptic, 50–100(–160) × 30–40 mm, margins shallowly serrate-crenate, apices acute to obtuse, soft short-villous; mid and distal cauline subpetiolate or sessile, blades ovate to elliptic, 20–40 × 5–15 mm, greatly reduced, becoming narrowly elliptic. |
Peduncles | 2–7 mm, sparsely to moderately short strigoso-villous; bracteoles 1–3, linear, rarely minutely stipitate-glandular. |
slender. |
Involucres | narrowly campanulate, 2.5–3.5(–4) mm. |
campanulate, 4–5 mm. |
Ray florets | (8–)11–15(–17); laminae 1–2.5 × 0.1–0.4(–0.7) mm. |
usually 7–12; laminae 3–6 × 1.5–2 mm. |
Disc florets | (3–)5–11(–16); corollas 2.6–3.7(–4) mm, lobes 0.5–1.2 mm. |
usually 14–27; corolla tubes 4 mm, lobes 0.8–1 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 3–4 series, broadly lanceolate, unequal, glabrate or sparsely short-strigose. |
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. |
50–100, in paniculiform arrays, proximal branches obscurely to evidently recurved-secund. |
Cypselae | (narrowly obconic) 1–1.5 mm, sparsely to moderately strigose; pappi 2.5–3.3 mm. |
1.5–2.5, sparsely strigose; pappi ± 3 mm (shorter than corollas). |
2n | = 18, 36. |
= 18. |
Solidago elongata |
Solidago verna |
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Phenology | Flowering Aug–Oct. | Flowering May–Jun. |
Habitat | Sandy, gravelly soils, coastal headlands, thickets, open woods, meadows, along streams and creeks | Open woods, fields, dry bogs, roadsides of coastal plain |
Elevation | 0–2800 m (0–9200 ft) | 10–70 m (0–200 ft) |
Distribution |
CA; OR; WA; Mexico (Baja California)
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NC; SC |
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 verna is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 154. | FNA vol. 20, p. 133. |
Parent taxa | Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Triplinerviae | Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Argutae > ser. Argutae |
Sibling taxa | ||
Synonyms | S. canadensis subsp. elongata, S. caurina, S. elongata var. microcephala, S. lepida var. caurina, S. lepida var. elongata | Aster vernus |
Name authority | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 327. (1841) | M. A. Curtis ex Torrey & A. Gray: Fl. N. Amer. 2: 205. (1842) |
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