Difference between revisions of "Acaena pallida"

(Kirk) Allan

Fl. New Zealand 1: 360. 1961.

Introduced
Basionym: Acaena novae-zelandiae var. pallida Kirk Stud. Fl. New Zealand, 134. 1899
Treatment appears in FNA Volume 9. Treatment on page 325. Mentioned on page 324.
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|basionyms={{Treatment/ID/Synonym
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|basionyms={{Treatment/ID/Basionym
 
|name=Acaena novae-zelandiae var. pallida
 
|name=Acaena novae-zelandiae var. pallida
 
|authority=Kirk
 
|authority=Kirk
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|rank=variety
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|publication_title=Stud. Fl. New Zealand,
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|publication_place=134. 1899
 
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|elevation=0–10 m
 
|elevation=0–10 m
 
|distribution=Calif.;Pacific Islands (New Zealand);Australia.
 
|distribution=Calif.;Pacific Islands (New Zealand);Australia.
|discussion=<p>In the flora area, Acaena pallida is known from a single collection from Marin County.</p>
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|introduced=true
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|discussion=<p>In the flora area, <i>Acaena pallida</i> is known from a single collection from Marin County.</p>
 
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name=Acaena pallida
 
name=Acaena pallida
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|authority=(Kirk) Allan
 
|authority=(Kirk) Allan
 
|rank=species
 
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|publication year=1961
 
|publication year=1961
 
|special status=Introduced
 
|special status=Introduced
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V9/V9_531.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_531.xml
 
|subfamily=Rosaceae subfam. Rosoideae
 
|subfamily=Rosaceae subfam. Rosoideae
 
|tribe=Rosaceae tribe Agrimonieae
 
|tribe=Rosaceae tribe Agrimonieae

Latest revision as of 22:57, 5 November 2020

Plants stoloniferous. Stems to 10 dm, 2–3 mm diam., rough with protruding hair bases; branches erect, leafy. Leaves: stipules 3–4-fid; petiole 1–1.5 cm; blade 2.5–12 cm, leaflets 4–7 per side, abaxially whitish with uneven wax layer, adaxially glossy green, oblong, 6–30 mm, margins dentate, teeth 4–10 per side, rugulose adaxially, abaxial surface pilose. Scapes axillary, 7–18 cm, 1.5–2 mm diam., lacking both cauline leaves and multicellular hairs. Inflorescences 80–90-flowered, globose heads (heads 10 mm diam. in flower, 2–4 cm diam. in fruit); bracteoles linear, pilose. Flowers 4 mm diam.; sepals 4, triangular, 2 mm, abaxially pilose, adaxially glabrous; stamens 2, filaments 3–4 mm, anthers white; stigma white, fimbriate. Fruiting hypanthia obconic, 4.5–6 mm diam., surfaces covered with appressed hairs, 4-angled, each angle with a spine at apex, 9–15 mm, spines with 4–10 translucent, retrorse barbs 0.5 mm at apex, usually with 1[–3] subsidiary spines on angles, surfaces glabrous. 2n = 42 (New Zealand).


Phenology: Flowering May–Jun.
Habitat: Coastal sands
Elevation: 0–10 m

Distribution

V9 531-distribution-map.jpg

Introduced; Calif., Pacific Islands (New Zealand), Australia.

Discussion

In the flora area, Acaena pallida is known from a single collection from Marin County.

Selected References

None.

Lower Taxa

None.