Difference between revisions of "Acaena pallida"
Fl. New Zealand 1: 360. 1961.
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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. | ||
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|discussion=<p>In the flora area, <i>Acaena pallida</i> is known from a single collection from Marin County.</p> | |discussion=<p>In the flora area, <i>Acaena pallida</i> is known from a single collection from Marin County.</p> | ||
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|publication year=1961 | |publication year=1961 | ||
|special status=Introduced | |special status=Introduced | ||
| − | |source xml=https:// | + | |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
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.