Difference between revisions of "Urospermum"
Intr. Hist. Nat., 122. 1777.
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|distribution=Europe;adjacent Africa and Asia;adventive in South America;s Africa. | |distribution=Europe;adjacent Africa and Asia;adventive in South America;s Africa. | ||
| + | |introduced=true | ||
|discussion=<p>Species 2 (1 in the flora).</p> | |discussion=<p>Species 2 (1 in the flora).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=lack1979a | ||
| + | |text=Lack, H. W. and B. E. Leuenberger. 1979. Pollen and taxonomy of Urospermum (Asteraceae, Lactuceae). Pollen & Spores 21: 415–425. | ||
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|distribution=Europe;adjacent Africa and Asia;adventive in South America;s Africa. | |distribution=Europe;adjacent Africa and Asia;adventive in South America;s Africa. | ||
|introduced=true | |introduced=true | ||
| − | |reference= | + | |reference=lack1979a |
|publication title=Intr. Hist. Nat., | |publication title=Intr. Hist. Nat., | ||
|publication year=1777 | |publication year=1777 | ||
|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/V19_430.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Urospermum | |genus=Urospermum | ||
Latest revision as of 19:51, 5 November 2020
Annuals [perennials], 10–40(–60+) cm; taprooted. Stems usually 1, erect, branched distally, setose to hispid or glabrous [pilosulous]. Leaves mostly cauline (at flowering) [mostly basal]; proximal ± petiolate, distal sessile; blades of the proximal mostly obovate to oblong-obovate, usually pinnately lobed or dentate, distal ovate to linear (bases often clasping), ultimate margins dentate or entire (veins often setose on abaxial faces). Heads borne singly or in loose, corymbiform arrays. Peduncles little, if at all, inflated distally, rarely bracteate. Calyculi 0. Involucres ± urceolate, 10–20+ mm diam. Phyllaries 7–8(–12+) in 1(–2) series, ovate-lanceolate to lance-linear (basally connate), subequal, margins scarious, apices acuminate. Receptacles flat to convex, pitted, hispid, epaleate. Florets 20–50+; corollas yellow, sometimes striped abaxially with red. Cypselae brown, bodies flattened-oblong, ± tuberculate, faces glabrous or scabrellous, beaks proximally dilated and tuberculate, distally acuminate and scabrous to scabrellous; pappi readily falling, of 18–22+ white [buff to rufous], subequal, plumose bristles in 1(–2) series (basally connate, falling together). x = 5, 7?.
Distribution
Introduced; Europe, adjacent Africa and Asia, adventive in South America, s Africa.
Discussion
Species 2 (1 in the flora).