Difference between revisions of "Picris"
Sp. Pl. 2: 792. 1753.
Gen. Pl. ed. 5, 347. 1754.
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|distribution=Europe;Asia;n Africa;also introduced in tropical Africa;Australia. | |distribution=Europe;Asia;n Africa;also introduced in tropical Africa;Australia. | ||
+ | |introduced=true | ||
|discussion=<p>Species ca. 40 (2 in the flora).</p> | |discussion=<p>Species ca. 40 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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|family=Asteraceae | |family=Asteraceae | ||
|illustrator=Marjorie C. Leggitt | |illustrator=Marjorie C. Leggitt | ||
+ | |illustration copyright=Flora of North America Association | ||
|distribution=Europe;Asia;n Africa;also introduced in tropical Africa;Australia. | |distribution=Europe;Asia;n Africa;also introduced in tropical Africa;Australia. | ||
|introduced=true | |introduced=true | ||
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|publication year=1753;1754 | |publication year=1753;1754 | ||
|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_444.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Picris | |genus=Picris |
Latest revision as of 19:51, 5 November 2020
Annuals, biennials, or perennials, 10–100+ cm; tap- or fibrous-rooted, sometimes rhizomatous. Stems usually 1, erect, branched distally, hirsute to hispid or setose (hair tips often 2[–4]-hooked). Leaves basal and cauline (mostly cauline at flowering); basal ± petiolate, distal sessile; blades oblong, ovate, or lanceolate to oblanceolate or linear, margins entire or sinuate-dentate to pinnately lobed (faces hirsute to hispid or setose, hair tips 2[–4]-hooked). Heads usually in ± corymbiform arrays. Peduncles not inflated distally, sometimes bracteate. Calyculi of 8–13+, lanceolate to lance-linear bractlets (sometimes ± intergrading with phyllaries). Involucres campanulate to urceolate, 6–12+ mm diam. (sometimes larger in fruit). Phyllaries (8–)13+ in 1–2 series (reflexed in fruit), lanceolate to lance-linear (± flat or navicular proximally, sometimes each ± enfolding its subtended floret), equal, margins often scarious, apices acute. Receptacles flat to convex, ± pitted, glabrous, epaleate. Florets 30–100+; corollas yellow, often reddish abaxially. Cypselae homomorphic [heteromorphic], reddish brown [dark brown], bodies ± fusiform [compressed-ellipsoid], not beaked [beaks ± developed], ribs 5–10, faces transversely rugulose, glabrous; pappi falling, of 30–45+, whitish to stramineous, subequal, barbellulate to plumose bristles [scales] in 2–3+ series (basally connate, falling together). x = 5.
Distribution
Introduced; Europe, Asia, n Africa, also introduced in tropical Africa, Australia.
Discussion
Species ca. 40 (2 in the flora).
Selected References
None.
Lower Taxa
Key
1 | Annuals; phyllaries navicular proximally, each enfolding its subtended floret; cypselae 2.5– 3 mm | Picris rhagadioloides |
1 | Biennials or perennials; phyllaries ± flat proximally, not each enfolding its subtended floret; cypselae 3–4(–6) mm | Picris hieracioides |