Difference between revisions of "Solidago rupestris"
Ann. Nat. 1: 14. 1820.
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|name=Aster rupestris | |name=Aster rupestris | ||
|authority=(Rafinesque) Kuntze | |authority=(Rafinesque) Kuntze | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Solidago canadensis var. rupestris | |name=Solidago canadensis var. rupestris | ||
|authority=(Rafinesque) Porter | |authority=(Rafinesque) Porter | ||
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}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Solidago;Solidago sect. Solidago;Solidago subsect. Triplinerviae;Solidago rupestris | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Solidago;Solidago sect. Solidago;Solidago subsect. Triplinerviae;Solidago rupestris | ||
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name=Solidago rupestris | name=Solidago rupestris | ||
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|authority=Rafinesque | |authority=Rafinesque | ||
|rank=species | |rank=species | ||
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|publication year=1820 | |publication year=1820 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_340.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Solidago | |genus=Solidago | ||
Revision as of 19:27, 16 December 2019
Plants 50–150 cm (solitary or clustered); rhizomes creeping, elongate. Stems 1–10+, erect, proximally glabrous, increasingly puberulent distally into arrays. Leaves: basal 0; mid and distal cauline numerous (sometime 100+ per stem), crowded, sessile or subsessile; blades linear-elliptic, mostly 50–120 × 6–12 mm, tapering at both ends, margins remotely serrulate or subentire, 3-nerved, faces glabrous or sometimes puberulent abaxially on midnerves. Heads 80–900+, in paniculiform arrays, branches recurved, secund. Peduncles 1–3 mm, sparsely strigose; bracteoles linear, 1–3. Involucres narrowly campanulate, 2–3 mm. Phyllaries in 3–4 series, linear-lanceolate, strongly unequal, midribs raised, enlarged apically, apices acute to usually obtuse or rounded, apically ciliate. Ray florets mostly 7–11, 1–2 × 0.1–0.2 mm. Disc florets 2–7; corollas 2–3 mm, lobes 0.4–0.6 mm. Cypselae (narrowly obconic) 1–1.5 mm, sparsely strigillose; pappi 2–2.5 mm. 2n = 18, 36.
Phenology: Flowering Jul–Sep.
Habitat: Riverbanks
Elevation: 0–200+ m
Distribution
Ind., Ky., Md., Pa., Tenn., Va.
Discussion
Solidago rupestris is similar to S. canadensis in head size but with fewer rays, and it is vegetatively more like S. gigantea. It is uncommon, occurring in a series of disjunct populations with an apparent gap between eastern and western areas of the range.
Selected References
None.