Difference between revisions of "Dysodiopsis"
in N. L. Britton et al., N. Amer. Fl. 34: 170. 1915.
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|accepted_name=Dysodiopsis | |accepted_name=Dysodiopsis | ||
| − | |accepted_authority=(A. Gray) Rydberg | + | |accepted_authority=(A. Gray) Rydberg |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton et al., N. Amer. Fl. | |title=in N. L. Britton et al., N. Amer. Fl. | ||
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name=Dysodiopsis | name=Dysodiopsis | ||
|author=John L. Strother | |author=John L. Strother | ||
| − | |authority=(A. Gray) Rydberg | + | |authority=(A. Gray) Rydberg |
|rank=genus | |rank=genus | ||
|parent rank=subtribe | |parent rank=subtribe | ||
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|publication year=1915 | |publication year=1915 | ||
|special status= | |special status= | ||
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Latest revision as of 20:13, 5 November 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.