Difference between revisions of "Stenotus armerioides"
Trans. Amer. Philos. Soc., n. s. 7: 335. 1840.
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|common_names=Thrifty goldenweed | |common_names=Thrifty goldenweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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| − | |distribution= | + | |distribution=Sask.;Ariz.;Colo.;Kans.;Mont.;N.Dak.;N.Mex.;Nebr.;S.Dak.;Utah;Wyo. |
|discussion=<p>Varieties 2 (2 in the flora).</p> | |discussion=<p>Varieties 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms= | |basionyms= | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Sask.;Ariz.;Colo.;Kans.;Mont.;N.Dak.;N.Mex.;Nebr.;S.Dak.;Utah;Wyo. |
|reference=None | |reference=None | ||
|publication title=Trans. Amer. Philos. Soc., n. s. | |publication title=Trans. Amer. Philos. Soc., n. s. | ||
|publication year=1840 | |publication year=1840 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_381.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Stenotus | |genus=Stenotus | ||
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| + | [[Category:Stenotus]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:25, 6 November 2020
Plants cespitose, sometimes densely so, 2–29 cm; taproots stout. Stems proximally clothed with marcescent leaves, usually glabrous, sometimes sparsely scabrous, usually viscid, sometimes eglandular. Leaves basal; narrowly petiolate; blades, 1- or 3-nerved, linear to narrowly oblanceolate or spatulate, 17–90 × 1–7(–12) mm, rigid, attenuate, margins sometimes ciliate (often minutely), viscid-glandular veins conspicuously raised abaxially, apices acute, faces ± scabrous or glabrous, gland-dotted, viscid. Heads 1–2(–4). Peduncles 10–130 mm, smooth and viscid. Involucres campanulate to hemispheric, 8–21 × 6–14 mm. Phyllaries 12–26 in 3 series, 1- (or 3)-nerved (often ± keeled), strongly unequal, outer ovate to oblong, 3–8 × 1.5–4(–7.5) mm, inner oblong, 5.5–10 × 1.5–3.5 mm, proximally indurate, distally chartaceous, green portions about as long as broad, margins scarious, sometimes broadly so, entire, apices obtuse to rounded, minutely apiculate, viscid abaxially. Ray florets 5–15; laminae elliptic to oblong, 5.5–18.5 × 2–6 mm. Disc florets 21–39; corollas funnelform to vase-shaped, 4–9 mm, tubes glabrous or rarely sparsely hairy, lobes 0.7–1.3 mm, ca. 1/8–1/6 length of corollas; anthers 1.8–3.5 mm, style-branch appendages subulate to lanceolate, 1.2–2.3 × 0.5 mm, stigmatic lines 0.6–1.9 mm, 1/2–3/4 as long as style-branch appendages. Cypselae 2–6 mm, lengths 1/2–3/4 disc corollas, faces sericeous; pappus bristles 60–75, 3.5–7.5 mm, nearly equaling disc corollas.
Distribution
Sask., Ariz., Colo., Kans., Mont., N.Dak., N.Mex., Nebr., S.Dak., Utah, Wyo.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Stems 10–29 cm or leaves 3-nerved, narrowly oblanceolate to spatulate, 3–7 mm wide | Stenotus armerioides var. armerioides |
| 1 | Stems 3.5–8 cm; leaves essentially 1-nerved, linear, 1–1.5(–2.5) mm wide (Duschesne and Uintah Counties, Utah) | Stenotus armerioides var. gramineus |