Difference between revisions of "Dimeresia"
in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 1(2): 448. 1886.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Dimeresia | |accepted_name=Dimeresia | ||
| − | |accepted_authority=A. Gray | + | |accepted_authority=A. Gray |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. Gray et al., Syn. Fl. N. Amer. ed. | |title=in A. Gray et al., Syn. Fl. N. Amer. ed. | ||
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name=Dimeresia | name=Dimeresia | ||
|author=John L. Strother | |author=John L. Strother | ||
| − | |authority=A. Gray | + | |authority=A. Gray |
|rank=genus | |rank=genus | ||
|parent rank=subtribe | |parent rank=subtribe | ||
| Line 44: | Line 44: | ||
|publication year=1886 | |publication year=1886 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_448.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Dimeresiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Dimeresiinae | ||
Latest revision as of 21:12, 5 November 2020
Annuals, 1–3(–5) cm. Stems decumbent to erect. Leaves basal and/or cauline; opposite (crowded, seemingly whorled); subsessile or ± petiolate; blades spatulate to oblanceolate, entire. Heads discoid, in clusters (of 2–5, congested, total heads to 100+). Involucres cylindric to obconic, 2(–4) mm diam. Phyllaries 2(–3) in 1 series (basally distinct or connate, oblong, herbaceous). Ray florets 0. Disc florets 2(–3), bisexual, fertile; corollas white, pink, or purple, tubes slightly shorter than funnelform throats, lobes 5, deltate-ovate. Receptacles minute, epaleate. Cypselae cylindric to clavate, striate, glabrous; pappi falling, of ca. 20 basally connate, setiform to subulate, ± plumose scales (or flattened bristles). x = 7.
Distribution
w United States.
Discussion
Species 1.
Selected References
None.