Difference between revisions of "Solidago spithamaea"
Amer. J. Sci. Arts 42: 42. 1842.
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|distribution=N.C.;Tenn. | |distribution=N.C.;Tenn. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Solidago spithamaea is listed as threatened by the U.S. Fish and Wildlife Service. The species is extant at only three locations; all other known populations were extirpated. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Solidago spithamaea</i> is listed as threatened by the U.S. Fish and Wildlife Service. The species is extant at only three locations; all other known populations were extirpated. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1842 | |publication year=1842 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_215.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Solidago | |genus=Solidago | ||
Revision as of 16:21, 18 September 2019
Plants 10–40 cm (with somewhat noxious odor); rhizomes short, stout, or branched caudices. Stems 1–10+, erect (usually simple), rough-puberulent or shortly spreading hirsute, or proximally glabrate. Leaves: basal petioles 1.5–7 mm, blades spatulate to lanceolate or subrhombic, mostly 50–109 × 15–40 mm, bases tapering, glabrous, margins sharply serrate, ciliate, apices acuminate; mid and distal sessile, blades lanceolate to subrhombic, much reduced distally, margins serrulate becoming entire distally, glabrous. Heads 15–50+ in compactly rounded corymbiform arrays, becoming paniculiform in robust plants. Peduncles 1–7, short-strigose; bracts leaflike, 5–15 mm. Involucres campanulate, 5–6 mm. Phyllaries (in 3–4 series) lanceolate, unequal (midnerves swollen), acute to acuminate (tips dark green). Ray florets 8–10(–15); laminae 2–3.5 mm. Disc florets 20–60; corollas 3.5–4.5 mm, lobes 1.5–2 mm. Cypselae 2–3 mm, sparsely strigose to glabrate; pappi (of 12–22 bristles) about 3 mm. 2n = 54.
Phenology: Flowering Sep–Oct.
Habitat: Rock crevices of exposed outcrops
Elevation: 1600–2000 m
Discussion
Of conservation concern.
Solidago spithamaea is listed as threatened by the U.S. Fish and Wildlife Service. The species is extant at only three locations; all other known populations were extirpated. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.