Solidago caesia
Solidago verna
axillary goldenrod, blue-stem goldenrod, blue-stem or woodland or wreath goldenrod, verge d'or bleuâtre, wreath goldenrod
spring-flowering goldenrod
1–10+, usually blue to purple, glaucous, arching, straight, usually simple, occasionally with 2–3(–4) elongated lateral branches, glabrous or slightly strigose in arrays.
1, ascending-erect, softly short villous.
basal withering by flowering;
proximal to mid cauline sessile, blades lanceolate, (47–)70–100(–150) × 8–20(–30) mm, margins serrate (with 0–24 teeth per side), apices acuminate, faces abaxially glabrous or sparsely hairy, adaxially sparsely hairy;
distal sessile, blades narrowly lanceolate, (20–)40–70(–100) × (3.4–)5.6–11(–17) mm, margins entire to slightly serrate, faces glabrous or sparsely hairy.
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.
2–10 mm, sparsely to moderately strigose;
bracteoles linear, 1–8.
slender.
narrowly campanulate, (3.5–)4.8–6(–7.2) mm.
campanulate, 4–5 mm.
1–6;
laminae (1.5–)2–3(–4) × ca. 1 mm.
usually 7–12;
laminae 3–6 × 1.5–2 mm.
3–6(–9);
corollas 2–3(–4) mm, lobes (0.5–)1–1.5(–2) mm.
usually 14–27;
corolla tubes 4 mm, lobes 0.8–1 mm.
in ca. 3 series, unequal, outermost lanceolate (1–1.7 mm), acute, innermost linear-oblong (2.3–4 mm), 1-nerved, obtuse to acute.
in 3–4 series, broadly lanceolate, unequal, glabrate or sparsely short-strigose.
9–380, in short, secund, axillary and terminal racemo-paniculiform clusters (4.4–)13–36(–58) cm.
50–100, in paniculiform arrays, proximal branches obscurely to evidently recurved-secund.
1–2(–2.5) mm, moderately to densely strigose;
pappi 2–3(–3.7) mm.
1.5–2.5, sparsely strigose;
pappi ± 3 mm (shorter than corollas).
= 18.
Solidago caesia
Solidago verna
Varieties 2 (2 in the flora).
Solidago caesia is sometimes defined more broadly to include the erect-stemmed S. curtisii and S. ouachitensis.
(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.)
1. Proximal midcauline leaves narrowly lanceolate, 50–150 × 8–30 cm; stems strongly arching; throughout most of range | var. caesia |
1. Proximal midcauline leaves shorter and broadly lanceolate to rhombic, 50–90 × 13–24 mm; stems weakly arching; wet lowlands of Alabama, Arkansas, Florida, Georgia, Mississippi | var. zedia |
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