View source for Acaena novae-zelandiae

{{Treatment/ID
|accepted_name=Acaena novae-zelandiae
|accepted_authority=Kirk
|publications={{Treatment/Publication
|title=Trans. & Proc. New Zealand Inst.
|place=3: 177. 1871
|year=1871
}}
|common_names=Biddy biddy
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}{{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms=
|synonyms=
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Agrimonieae;Acaena;Acaena novae-zelandiae
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rosaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Rosaceae subfam. Rosoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Rosaceae tribe Agrimonieae]]</div><div class="higher-taxon"><small>genus</small>[[Acaena]]</div><div class="higher-taxon"><small>species</small>[[Acaena novae-zelandiae]]</div></div>
|volume=Volume 9
|mention_page=
|treatment_page=page 324
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>creeping or stoloniferous. <b>Stems</b> to 15 dm, 1.5–2 mm diam.; branches erect, short, leafy. <b>Leaves</b>: stipules 3–5-fid; petiole 0.3–1 cm; blade 2–11 cm, leaflets 4–7 per side, bright shining green, oblong or elliptic, 4–17 mm, margins crenate-dentate, teeth 8–15, smooth adaxially, abaxial surface glaucescent, usually pilose on veins and margins, adaxial sparsely pilose. <b>Scapes</b> axillary, 10–15 cm, 1–2 mm diam., smooth, lacking both cauline leaves and multicelled hairs. <b>Inflorescences</b> 80–100-flowered, globose heads (9 mm diam. in flower, 20–35 mm diam. in fruit); bracteoles linear, pilose. <b>Flowers</b> 3.5 mm diam.; sepals 4, triangular, 1.5 mm, abaxially pilose, adaxially glabrous; stamens 2(or 3), filaments 1.5–2 mm, anthers white; stigma white, fimbriate. <b>Fruiting</b> hypanthia obtriangular, 3.5–5 mm diam., surfaces sericeous, 4-angled, each angle with a slender spine at apex, red, sometimes lemon yellow, 7–12 mm, spines with 4–10 translucent, retrorse barbs 0.5 mm at apex, surfaces glabrous. <b>2n</b> = 42 (New Zealand).</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun.
|habitat=Roadsides and paths, forest edges, logged lands, lawns, among cultivated ground covers and waste grounds
|elevation=0–200 m
|distribution=Calif.;Oreg.;Pacific Islands (New Guinea;New Zealand);Australia;also introduced in Europe (England;Ireland).
|introduced=true
|discussion=<p>Herbarium records of <i>Acaena novae-zelandiae</i> are from the coastal ranges in California, Humboldt and Sonoma counties, around San Francisco and Monterey, and in Oregon.</p><!--
--><p><i>Acaena novae-zelandiae</i> has noxious weed status in the United States. The name A. anserinifolia (J. R. Forster & G. Forster) Druce was misapplied to <i>A. novae-zelandiae</i> by P. A. Munz (1968), this being the first published record of the taxon from North America.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Acaena novae-zelandiae
|authority=Kirk
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Rosaceae
|phenology=Flowering May–Jun.
|habitat=Roadsides and paths, forest edges, logged lands, lawns, among cultivated ground covers and waste grounds
|elevation=0–200 m
|distribution=Calif.;Oreg.;Pacific Islands (New Guinea;New Zealand);Australia;also introduced in Europe (England;Ireland).
|introduced=true
|reference=None
|publication title=Trans. & Proc. New Zealand Inst.
|publication year=1871
|special status=Illustrated;Introduced;Weedy
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_530.xml
|subfamily=Rosaceae subfam. Rosoideae
|tribe=Rosaceae tribe Agrimonieae
|genus=Acaena
|species=Acaena novae-zelandiae
}}<!--

-->[[Category:Treatment]][[Category:Acaena]]