Difference between revisions of "Thymophylla aurea"
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. 3: 453. 1898.
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| − | |distribution= | + | |distribution=Colo.;Kans.;N.Mex.;Tex.;n Mexico. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
--><p>The two varieties of <i>Thymophylla aurea</i> are sometimes found in mixed populations, which may include intermediate plants.</p> | --><p>The two varieties of <i>Thymophylla aurea</i> are sometimes found in mixed populations, which may include intermediate plants.</p> | ||
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|basionyms=Lowellia aurea | |basionyms=Lowellia aurea | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Colo.;Kans.;N.Mex.;Tex.;n Mexico. |
|reference=None | |reference=None | ||
|publication title=in N. L. Britton and A. Brown, Ill. Fl. N. U.S. | |publication title=in N. L. Britton and A. Brown, Ill. Fl. N. U.S. | ||
|publication year=1898 | |publication year=1898 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_602.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Revision as of 22:01, 27 May 2020
Annuals, green, to 20(–30) cm, glabrous or puberulent. Stems erect (branched from bases). Leaves alternate; blades 15–40 mm overall, lobed, lobes 5–13, linear. Peduncles 10–70 mm, glabrous or puberulent. Calyculi 0, or of 1–2 subulate bractlets, lengths less than 1/2 phyllaries. Involucres obconic to campanulate, 5–6 mm. Phyllaries 12–15, margins of outer distinct almost to bases, abaxial faces glabrous or puberulent. Ray florets 8–12; corollas bright yellow, laminae 4–6 × 2–3 mm. Disc florets 30–45; corollas yellow, 3 mm. Cypselae 3 mm; pappi either of erose scales 0.3–0.6 mm, or of 3–5-aristate scales 2–3 mm.
Distribution
Colo., Kans., N.Mex., Tex., n Mexico.
Discussion
Varieties 2 (2 in the flora).
The two varieties of Thymophylla aurea are sometimes found in mixed populations, which may include intermediate plants.
Selected References
None.
Key
| 1 | Pappi of 18–20, 3–5-aristate scales 2–3 mm | Thymophylla aurea var. polychaeta |
| 1 | Pappi of 8–10 erose scales 0.3–0.6 mm | Thymophylla aurea var. aurea |