View source for Youngia

{{Treatment/ID
|accepted_name=Youngia
|accepted_authority=Cassini
|publications={{Treatment/Publication
|title=Ann. Sci. Nat. (Paris)
|place=23: 88. 1831
|year=1831
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Youngia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cichorieae]]</div><div class="higher-taxon"><small>genus</small>[[Youngia]]</div></div>
|etymology=For “deux Anglais célèbres, l’un comme poète, l’autre comme physicien,” both named Young; the poet may have been Edward Young (also dramatist), 1683–1765; the physician may have been Thomas Young (also physicist and Egyptologist), 1773–1829
|volume=Volume 19
|mention_page=page 217
|treatment_page=page 255
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> biennials [perennials], (10–)20–90+ cm; taprooted. <b>Stems</b> 1–5+, erect (often scapiform), usually branched distally, sometimes throughout, proximally glabrous, puberulent, or tomentose. <b>Leaves</b> all or mostly basal; petiolate (petiole bases often dilated, ± clasping); blades oblong or ovate to oblanceolate, margins usually pinnately lobed (± lyrate), ultimate margins denticulate. <b>Heads</b> (4–150) in corymbiform to paniculiform arrays. <b>Peduncles</b> (filiform) not distally inflated, seldom bracteate. <b>Calyculi</b> of 3–5+, deltate to ovate (membranous) bractlets. <b>Involucres</b> cylindric to campanulate, 2–3+ mm diam. <b>Phyllaries</b> usually 8 in 1–2 series, lanceolate to linear, ± equal (reflexed in fruit), margins ± scarious, apices obtuse to acute. <b>Receptacles</b> flat to convex, ± pitted, glabrous, epaleate. <b>Florets</b> 8–25+; corollas yellow, sometimes abaxially purplish (anther bases with linear, acute auricles). <b>Cypselae</b> ± reddish brown, ± fusiform and compressed [± terete], weakly or not beaked, ribs 11–13, ± spiculate to scabrellous on ribs; pappi (borne on discs at tips of cypselae) persistent (fragile) [falling], of 40–60+, basally coherent [distinct], white [yellowish or grayish], subequal, smooth to barbellulate bristles in ± 1 series. <b>x</b> = 5 or 8.</span><!--

-->{{Treatment/Body
|distribution=Asia;introduced also in South America;Europe;Africa;Pacific Islands;Australia.
|introduced=true
|discussion=<p>Species ca. 30 (1 in the flora).</p><!--
--><p><i>Youngia</i> americana Babcock (based on a specimen from Alaska) has not been used as an accepted name for plants in the flora area; it was treated as a synonym of <i>Crepis nana</i> var. lyratifolia (Turczaninow) Hultén by E. Hultén (1968).</p>
|tables=
|references={{Treatment/Reference
|id=babcock1937a
|text=Babcock, E. B. and G. L. Stebbins. 1937. The genus Youngia. Publ. Carnegie Inst. Wash. 484.
}}
}}<!--

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-->{{#Taxon:
name=Youngia
|author=Phyllis L. Spurr
|authority=Cassini
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=Yevonn Wilson-Ramsey
|illustration copyright=Flora of North America Association
|distribution=Asia;introduced also in South America;Europe;Africa;Pacific Islands;Australia.
|introduced=true
|reference=babcock1937a
|publication title=Ann. Sci. Nat. (Paris)
|publication year=1831
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_339.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Youngia
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Cichorieae]]