Difference between revisions of "Dysodiopsis"
in N. L. Britton et al., N. Amer. Fl. 34: 170. 1915.
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|publication year=1915 | |publication year=1915 | ||
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| − | |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_579.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Revision as of 21:01, 27 May 2020
Annuals or perennials, 40–80+ cm. Stems erect, distally branched. Leaves cauline; mostly opposite (distal alternate); blades linear, margins coarsely toothed, faces glabrous (bases ± setaceous, oil-glands scattered along midveins). Heads radiate, in loose, corymbiform arrays or borne singly. Calyculi of 5–8 subulate or pinnatisect bractlets (bearing oil-glands). Involucres ± campanulate, 5–8 mm diam. Phyllaries persistent, 10–12 in 2 series (strongly connate, oblong to linear, margins of outer free to bases, faces of all or outer bearing submarginal and subapical oil-glands). Receptacles convex, pitted (socket margins fimbrillate), epaleate. Ray florets 7–12, pistillate, fertile; corollas lemon to greenish yellow. Disc florets 20–40+, bisexual, fertile; corollas dull yellow, tubes shorter than cylindro-funnelform throats, lobes 5, deltate. Cypselae obpyramidal, glabrous or sparsely strigillose; pappi persistent, of 10–12, 1(–3)-aristate scales in ± 2 series. x = 13.
Distribution
sc United States.
Discussion
Species 1.
Selected References
None.