View source for Wyethia ← Wyethia You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Wyethia |accepted_authority=Nuttall |publications={{Treatment/Publication |title=J. Acad. Nat. Sci. Philadelphia |place=7: 39, plate 5. 1834 |year=1834 }} |common_names=Mules-ears |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Wyethia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Ecliptinae]]</div><div class="higher-taxon"><small>genus</small>[[Wyethia]]</div></div> |etymology=For Nathaniel Jarvis Wyeth, 1802–1856, early western American explorer |volume=Volume 21 |mention_page=page 65, 66 |treatment_page=page 100 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 15–60(–100) cm (taproots relatively massive; caudices seldom branched). <b>Stems</b> erect (or bending erect from bases), branched mostly from bases. <b>Leaves</b> basal and cauline; alternate; usually petiolate (basal), sometimes sessile; blades (usually pinnately nerved, basal larger than cauline) ± deltate, elliptic-ovate, lanceolate, lance-elliptic, lance-linear, or oblong-ovate, bases truncate to cuneate, margins usually entire, rarely dentate to serrate (sometimes ciliate), faces glabrous or hairy (sometimes gland-dotted or finely stipitate-glandular). <b>Heads</b> radiate, borne singly or 2–5(–8+) in ± corymbiform to racemiform arrays. <b>Involucres</b> hemispheric to campanulate or turbinate, 12–60+ mm diam. <b>Phyllaries</b> persistent, 12–36(–48) in 2–3+ series (subequal to unequal, outer sometimes foliaceous, much larger than inner). <b>Receptacles</b> flat to convex, paleate (paleae conduplicate, at least bases, papery). <b>Ray</b> florets 5–25+, pistillate, fertile; corollas mostly yellow (cream to white in W. helianthoides). <b>Disc</b> florets 35–150+, bisexual, fertile; corollas yellow, tubes much shorter than cylindric throats; lobes 5, ± deltate to lanceolate (style branches stigmatic in 2 barely distinct lines, appendages ± filiform). <b>Cypselae</b> ± prismatic, weakly 3–4-angled (faces glabrous or hairy); pappi 0, or persistent, coroniform (usually lacerate) or of 1–4+ ovate to subulate, erose to lacerate (often basally connate) scales. <b>x</b> = 19.</span><!-- -->{{Treatment/Body |distribution=w North America. |discussion=<p>Species 8 (8 in the flora).</p><!-- --><p>Some species formerly included in Wyethia are here treated in Agnorhiza and Scabrethia. Balsamorhiza is closely related to Wyethia.</p> |tables= |references={{Treatment/Reference |id=weber1946a |text=Weber, W. A. 1946. A taxonomic and cytological study of the genus Wyethia, family Compositae, with notes on the related genus Balsamorhiza. Amer. Midl. Naturalist 35: 400–452. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Involucres 35–60+ mm diam.; outer phyllaries (30–)40–80+ mm (± foliaceous, much surpassing discs) |[[#key-0-2| > 2]] |-id=key-0-1 |1 |Involucres 10–30(–40) mm diam.; outer phyllaries 15–30(–40) mm (not foliaceous, seldom surpassing discs) |[[#key-0-3| > 3]] |-id=key-0-2 |2 |Leaf blades: faces glabrous or finely stipitate-glandular, sometimes sparsely pilosulous as well (usually shining); cypselae 10–13 mm |[[Wyethia glabra|Wyethia glabra]] |-id=key-0-2 |2 |Leaf blades: faces densely tomentose to tomentulose (usually gland-dotted as well), glabrescent; cypselae 12–15 mm |[[Wyethia helenioides|Wyethia helenioides]] |-id=key-0-3 |3 |Leaf blades: faces tomentose to tomentulose (at least when young, glabrescent, usuallygland-dotted) |[[Wyethia mollis|Wyethia mollis]] |-id=key-0-3 |3 |Leaf blades: faces glabrous, glabrate, hirsute, hirsutulous, hirtellous, pilose, pilosulous, scabrellous, or strigillose (not tomentose to tomentulose, often gland-dotted or stipitate-glandular) |[[#key-0-4| > 4]] |-id=key-0-4 |4 |Leaf blades: faces glabrous or glabrate (gland-dotted); phyllary margins not ciliate; cypselae glabrous |[[#key-0-5| > 5]] |-id=key-0-4 |4 |Leaf blades: faces usually hirsute, hirsutulous, hirtellous, pilose, pilosulous, scabrellous, or strigillose (sometimes vernicose, rarely finely stipitate-glandular or gland-dotted), sometimes glabrate; phyllary margins ± ciliate; cypselae strigillose or glabrous |[[#key-0-6| > 6]] |-id=key-0-5 |5 |Basal leaves: blades lance-elliptic or oblong-lanceolate to lanceolate; rays 8–21(–25), laminae 25–60 mm; cypselae 8–9 mm |[[Wyethia amplexicaulis|Wyethia amplexicaulis]] |-id=key-0-5 |5 |Basal leaves: blades narrowly oblong-lanceolate to lance-linear; rays 5–8+, lami-nae 18–30 mm; cypselae 6–8 mm |[[Wyethia longicaulis|Wyethia longicaulis]] |-id=key-0-6 |6 |Basal leaves: blades lanceolate to lance-linear; cypselae 7–8 mm, ± strigillose |[[Wyethia angustifolia|Wyethia angustifolia]] |-id=key-0-6 |6 |Basal leaves: blades elliptic-ovate, lanceolate, or lance-elliptic; cypselae 9–11 mm, strigillose or glabrous |[[#key-0-7| > 7]] |-id=key-0-7 |7 |Phyllaries 36–48; rays 13–25, laminae (cream to white) 25–45 mm; cypselae strigillose distally and on margins |[[Wyethia helianthoides|Wyethia helianthoides]] |-id=key-0-7 |7 |Phyllaries 16–34; rays 11–12, laminae (yellow) 25–50 mm; cypselaeglabrous |[[Wyethia arizonica|Wyethia arizonica]] |} </div></div><!-- -->{{#Taxon: name=Wyethia |author=William A. Weber |authority=Nuttall |rank=genus |parent rank=subtribe |synonyms= |basionyms= |family=Asteraceae |illustrator=John Myers |distribution=w North America. |reference=weber1946a |publication title=J. Acad. Nat. Sci. Philadelphia |publication year=1834 |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_237.xml |tribe=Asteraceae tribe Heliantheae |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae |genus=Wyethia }}<!-- -->[[Category:Treatment]][[Category:Asteraceae (tribe Heliantheae) subtribe Ecliptinae]] Templates used on this page: Template:Asteraceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Template:Treatment/Reference (view source) Return to Wyethia.