View source for Arctotheca

{{Treatment/ID
|accepted_name=Arctotheca
|accepted_authority=J. C. Wendland
|publications={{Treatment/Publication
|title=Bot. Beob.,
|place=41. 1798
|year=1798
}}, {{Treatment/Publication
|title=Hort. Herrenhus.
|place=1: 8, plate 6. 1798
|year=1798
}}
|common_names=Capeweed
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Arctotideae;Arctotheca
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Arctotideae]]</div><div class="higher-taxon"><small>genus</small>[[Arctotheca]]</div></div>
|etymology=Greek arktos, brown bear, and theke, case, capsule, container, alluding to dense, woolly tomentum of cypselae of some species
|volume=Volume 19
|mention_page=page 48, 195
|treatment_page=page 197
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration"><b>Perennials </b>(sometimes flowering first-year), (4–) 8–20 (–30+) cm (usually stoloniferous and/or rhizomatous).</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation;stem growth form or orientation"><b>Stems </b>decumbent or creeping to ± erect.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>basal and cauline;</span> <span class="statement" id="st-d0_s3" data-properties="leaf position;leaf position;leaf architecture">petiolate;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;margin shape;abaxial face pubescence;adaxial face pubescence">blades mostly obovate, margins usually pinnatifid to pinnatisect (often lyrate to runcinate) [entire], abaxial faces ± white-woolly, adaxial sparsely puberulent to arachnose (glabrate).</span> <span class="statement" id="st-d0_s5" data-properties="involucre shape;involucre diameter;involucre diameter"><b>Involucres </b>hemispheric to campanulate, 10–15 [–20+] mm diam.</span> <span class="statement" id="st-d0_s6" data-properties="phyllary fusion;phyllary shape;phyllary size;series quantity;margin texture;apex shape;abaxial face pubescence;abaxial face pubescence"><b>Phyllaries </b>in 3–6+ series, distinct, ovate or oblong to linear, unequal, margins ± scarious, apices ± acute to acuminate, abaxial faces glabrous or arachnose.</span> <span class="statement" id="st-d0_s7" data-properties="receptacle prominence or shape;receptacle relief;receptacle architecture or pubescence or relief;receptacle architecture"><b>Receptacles </b>flat, alveolate or smooth, epaleate.</span> <span class="statement" id="st-d0_s8" data-properties="ray-floret architecture"><b>Ray-</b>florets neuter (staminodes sometimes present);</span> <span class="statement" id="st-d0_s9" data-properties="corolla coloration;corolla coloration;lamina architecture;lamina shape">corollas adaxially yellow (sometimes drying bluish) or ± bluish, laminae 4-veined, 3-toothed.</span> <span class="statement" id="st-d0_s10" data-properties="disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets bisexual, fertile;</span> <span class="statement" id="st-d0_s11" data-properties="corolla coloration">corollas yellow or purplish to brownish.</span> <span class="statement" id="st-d0_s12" data-properties="cypsela shape;cypsela shape;rib quantity;face pubescence;face pubescence"><b>Cypselae </b>± obovoid or ± prismatic (4-angled), ribs 3–5, faces usually villous or woolly [glabrate];</span> <span class="statement" id="st-d0_s13" data-properties="scale quantity">pappi usually present, persistent, of 7–9+ scales (borne within callous borders crowning cypselae) [sometimes none].</span> <span class="statement" id="st-d0_s14" data-properties="pappus presence;pappus duration;x chromosome quantity">x = 9.</span><!--

-->{{Treatment/Body
|distribution=South Africa;Mozambique
|introduced=true
|discussion=<p>Species 4 (1 in the flora).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Arctotheca
|author=Alison McKenzie Mahoney
|authority=J. C. Wendland
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=South Africa;Mozambique
|introduced=true
|reference=None
|publication title=Bot. Beob.,;Hort. Herrenhus.
|publication year=1798;1798
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V19_231.xml
|tribe=Asteraceae tribe Arctotideae
|genus=Arctotheca
|abaxial face pubescence=arachnose;glabrous;white-woolly
|adaxial face pubescence=sparsely puberulent;arachnose
|apex shape=less acute;acuminate
|blade shape=obovate
|corolla coloration=purplish;brownish
|cypsela shape=prismatic;obovoid
|disc-floret reproduction=fertile;bisexual
|face pubescence=woolly;villous
|involucre diameter=10mm;15mm
|involucre shape=hemispheric;campanulate
|lamina architecture=4-veined
|lamina shape=3-toothed
|leaf architecture=petiolate
|leaf position=cauline;basal
|margin shape=usually pinnatifid;pinnatisect
|margin texture=scarious
|pappus duration=persistent
|pappus presence=absent
|phyllary fusion=distinct
|phyllary shape=oblong;linear
|phyllary size=unequal
|ray-floret architecture=neuter
|receptacle architecture=epaleate
|receptacle architecture or pubescence or relief=smooth
|receptacle prominence or shape=flat
|receptacle relief=alveolate
|rib quantity=3;5
|scale quantity=7;9
|series quantity=3;6
|stem growth form or orientation=creeping to more or less erect;decumbent
|whole-organism atypical some measurement=20cm;30cm
|whole-organism duration=perennial
|whole-organism some measurement=8cm;20cm
|x chromosome quantity=9
}}<!--

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