View source for Pentzia

{{Treatment/ID
|accepted_name=Pentzia
|accepted_authority=Thunberg
|publications={{Treatment/Publication
|title=Prodr. Pl. Cap.,
|place=145. 1800
|year=1800
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Anthemideae;Pentzia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Anthemideae]]</div><div class="higher-taxon"><small>genus</small>[[Pentzia]]</div></div>
|etymology=For Hendrik Christian Pentz, 1738–1803, Swedish plant collector
|volume=Volume 19
|mention_page=page 53, 68, 487
|treatment_page=page 543
}}<!--

--><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 growth form"><b>Shrubs </b>[subshrubs], [5–] 15–35 [–50] cm (usually aromatic).</span> <span class="statement" id="st-d0_s1" data-properties="stem quantity;stem architecture;stem pubescence"><b>Stems </b>1–10+, usually much branched, ± tomentose (hairs medifixed) [glabrate or glabrous].</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>cauline (often fascicled, ± ericoid);</span> <span class="statement" id="st-d0_s3" data-properties="">alternate [opposite];</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf arrangement;leaf architecture;leaf architecture">petiolate or sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade shape;ultimate margin shape;ultimate margin shape;face pubescence">blades linear to obovate or cuneate, often 1 [–2] -pinnately lobed, ultimate margins entire or toothed, faces ± tomentose [glabrate or glabrous].</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or shape;head arrangement;head arrangement;array architecture or fragility;array architecture"><b>Heads </b>discoid, borne singly or in loose, corymbiform arrays (pedunculate).</span> <span class="statement" id="st-d0_s7" data-properties="involucre shape;involucre width;involucre diameter;involucre diameter"><b>Involucres </b>spheric to hemispheric or broader, 3–6 [–12+] mm diam.</span> <span class="statement" id="st-d0_s8" data-properties="phyllary duration;phyllary life cycle;phyllary atypical quantity;phyllary quantity;phyllary fusion;phyllary shape;phyllary size;series quantity;margin texture;apex texture"><b>Phyllaries </b>persistent or tardily falling, 22–40 [–60+] in 3–4+ series, distinct, deltate-ovate to elliptic or obovate (sometimes each with central resin canal and/or keel), unequal, margins and apices (often hyaline, sometimes brownish) ± scarious (tips of inner ± dilated).</span> <span class="statement" id="st-d0_s9" data-properties="receptacle shape;receptacle architecture"><b>Receptacles </b>conic [convex to hemispheric], epaleate.</span> <span class="statement" id="st-d0_s10" data-properties="ray-floret presence"><b>Ray-</b>florets 0.</span> <span class="statement" id="st-d0_s11" data-properties="disc-floret atypical quantity;disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets 40–100 [–200+], bisexual, fertile;</span> <span class="statement" id="st-d0_s12" data-properties="corolla coloration;tube shape;throat shape;lobe quantity;lobe shape">corollas yellow, tubes ± cylindric (usually dilated, with relatively thick vascular strands), throats abruptly dilated, lobes 5, triangular.</span> <span class="statement" id="st-d0_s13" data-properties="cypsela shape;cypsela shape;rib quantity;face coloration"><b>Cypselae </b>narrowly obovoid to oblong or elliptic, ± terete or flattened, ribs 5, faces gland-dotted between ribs (pericarps with myxogenic cells abaxially and along ribs);</span> <span class="statement" id="st-d0_s14" data-properties="scale quantity;scale quantity">pappi of 1 (often cupped or earlike) or 3–5 (erose to lacerate) scales (usually more developed adaxially) [asymmetrically coroniform or 0].</span> <span class="statement" id="st-d0_s15" data-properties="x chromosome quantity">x = 9.</span><!--

-->{{Treatment/Body
|distribution=Africa (mostly South Africa);Africa (also Namibia and Mediterranean Africa and adjacent areas)
|introduced=true
|discussion=<p>Species ± 23 (1 in the flora).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Pentzia
|author=David J. Keil
|authority=Thunberg
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=John Myers
|illustration copyright=Flora of North America Association
|distribution=Africa (mostly South Africa);Africa (also Namibia and Mediterranean Africa and adjacent areas)
|introduced=true
|reference=None
|publication title=Prodr. Pl. Cap.,
|publication year=1800
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V19_944.xml
|tribe=Asteraceae tribe Anthemideae
|genus=Pentzia
|apex texture=scarious
|array architecture=corymbiform
|array architecture or fragility=loose
|blade shape=lobed;linear;obovate or cuneate
|corolla coloration=yellow
|cypsela shape=narrowly obovoid;oblong or elliptic more or less terete or flattened
|disc-floret atypical quantity=100;200
|disc-floret quantity=40;100
|disc-floret reproduction=fertile;bisexual
|face coloration=gland-dotted
|face pubescence=tomentose
|head architecture or shape=discoid
|head arrangement=in loose , corymbiform arrays;singly
|involucre diameter=3mm;6mm
|involucre shape=spheric;hemispheric
|involucre width=broader
|leaf architecture=sessile;petiolate
|leaf arrangement=alternate
|leaf position=cauline
|lobe quantity=5
|lobe shape=triangular
|margin texture=scarious
|phyllary atypical quantity=40;60
|phyllary duration=persistent
|phyllary fusion=distinct
|phyllary life cycle=falling
|phyllary quantity=22;40
|phyllary shape=deltate-ovate;elliptic or obovate
|phyllary size=unequal
|ray-floret presence=absent
|receptacle architecture=epaleate
|receptacle shape=conic
|rib quantity=5
|scale quantity=3;5
|series quantity=3;4
|stem architecture=branched
|stem pubescence=tomentose
|stem quantity=1;10
|throat shape=dilated
|tube shape=cylindric
|ultimate margin shape=toothed;entire
|whole_organism atypical some measurement=35cm;50cm
|whole_organism growth form=shrub
|whole_organism some measurement=15cm;35cm
|x chromosome quantity=9
}}<!--

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