View source for Osteospermum

{{Treatment/ID
|accepted_name=Osteospermum
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 923. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 395. 1754
|year=1754
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Calenduleae;Osteospermum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Calenduleae]]</div><div class="higher-taxon"><small>genus</small>[[Osteospermum]]</div></div>
|etymology=Greek osteon, bone, and sperma, seed, alluding to hard fruits of original species
|volume=Volume 19
|mention_page=page 30, 379
|treatment_page=page 382
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism duration;whole_organism some measurement;whole_organism growth form;whole_organism growth form"><b>Perennials,</b> subshrubs, or shrubs [annuals], 5–150+ cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form;stem orientation;stem pubescence"><b>Stems </b>procumbent to erect [prostrate], glabrous or arachnose to piloso-hirtellous and/or stipitate-glandular.</span> <span class="statement" id="st-d0_s2" data-properties="leaf architecture;leaf architecture"><b>Leaves </b>sessile or petiolate;</span> <span class="statement" id="st-d0_s3" data-properties="blade shape;blade shape;blade shape;blade shape;blade shape;margin shape;margin shape;face pubescence;face pubescence;face pubescence;face pubescence">blades orbiculate, elliptic, or oblong to oblanceolate, lanceolate, or linear, margins entire or denticulate [pinnately lobed], faces glabrous or sparsely arachnose and/or stipitate-glandular, often glabrate.</span> <span class="statement" id="st-d0_s4" data-properties="head arrangement"><b>Heads </b>borne singly [in corymbiform to umbelliform arrays].</span> <span class="statement" id="st-d0_s5" data-properties="involucre shape;involucre width;involucre diameter"><b>Involucres </b>campanulate to hemispheric or broader, 5–20+ mm diam.</span> <span class="statement" id="st-d0_s6" data-properties="phyllary quantity;phyllary shape;series atypical quantity;series quantity"><b>Phyllaries </b>5–21+ in 1–2 (–3+) series, lanceolate to lance-linear (apices ± attenuate).</span> <span class="statement" id="st-d0_s7" data-properties="receptacle shape"><b>Receptacles </b>flat to conic.</span> <span class="statement" id="st-d0_s8" data-properties="ray-floret quantity;series quantity"><b>Ray-</b>florets 10–21+ in ± 1 series;</span> <span class="statement" id="st-d0_s9" data-properties="corolla coloration;lamina shape">corollas whitish to purplish or yellow to orange, laminae ± oblongelliptic to oblanceolate.</span> <span class="statement" id="st-d0_s10" data-properties="disc-floret quantity;disc-floret architecture"><b>Disc-</b>florets 12–50+, functionally staminate;</span> <span class="statement" id="st-d0_s11" data-properties="corolla coloration;corolla coloration;tube height or length or size;throat shape">corollas yellow or purplish, tubes shorter than the ± campanulate throats.</span> <span class="statement" id="st-d0_s12" data-properties=""><b>Cypselae </b>triquetrous-prismatic to clavate, often ± tuberculate or ridged and/or winged.</span> <span class="statement" id="st-d0_s13" data-properties="cypsela shape;cypsela relief;cypsela shape;cypsela architecture;x chromosome quantity">x = 10.</span><!--

-->{{Treatment/Body
|distribution=Africa;widely cultivated;sometimes escaping and/or persisting
|introduced=true
|discussion=<p>Species ca. 75 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaf blades obovate or oblong to oblanceolate, 30–50(–100+) × 0–20(–40+) mm; ray corollas purplish to whitish
|[[Osteospermum ecklonis|Osteospermum ecklonis]]
|-id=key-0-1
|1
|Leaf blades cuneate to clavate, 3–12(–20+) × 1–4+ mm; ray corollas yellow to orange.
|[[Osteospermum spinescens|Osteospermum spinescens]]
|}
</div></div><!--

-->{{#Taxon:
name=Osteospermum
|author=John L. Strother
|authority=Linnaeus
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=Africa;widely cultivated;sometimes escaping and/or persisting
|introduced=true
|reference=None
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V19_621.xml
|tribe=Asteraceae tribe Calenduleae
|genus=Osteospermum
|blade shape=oblong;oblanceolate lanceolate or linear
|corolla coloration=purplish;yellow;whitish;purplish or yellow
|cypsela architecture=winged
|cypsela relief=tuberculate
|cypsela shape=ridged;triquetrous-prismatic;clavate
|disc-floret architecture=staminate
|disc-floret quantity=12;50
|face pubescence=glabrate;stipitate-glandular;arachnose;glabrous
|head arrangement=singly
|involucre diameter=5mm;20mm
|involucre shape=campanulate;hemispheric
|involucre width=broader
|lamina shape=less oblongelliptic;oblanceolate
|leaf architecture=petiolate;sessile
|margin shape=denticulate;entire
|phyllary quantity=5;21
|phyllary shape=lanceolate;lance-linear
|ray-floret quantity=10;21
|receptacle shape=flat;conic
|series atypical quantity=2;3
|series quantity=1;1;2
|stem growth form=procumbent
|stem orientation=erect
|stem pubescence=arachnose;piloso-hirtellous and/or stipitate-glandular
|throat shape=campanulate
|tube height or length or size=shorter
|whole-organism duration=perennial
|whole_organism growth form=shrub;subshrub
|whole_organism some measurement=5cm;150cm
|x chromosome quantity=10
}}<!--

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