Acaenia anserinifolia

Botanical Name: Acaenia anserinifolia
Family : Rosaceae
Subfamilia: Rosoideae:
Genus : Acaenia
Cladus: Eukaryota
Regnum: Plantae
Ordo: Rosales
Tribus: Sanguisorbeae
Subtribus: Sanguisorbinae
Genus: Acaena
Species
: Acaena anserinifolia

Synonyms: Acaena novae-zelandiae Kirk
Common Name: Pirri-Pirri Bur,  Bidibid, hutiwai, piripiri
Habitat:Eastern Australia, New Zealand. Naturalized in Britain. Open positions from lowland to the montane zone in North, South and Stewart Islands of New Zealand.  Ground Cover;

Description:

Acaenia anserinifolia is a stoloniferous, prostrate, evergreen trailing and perennial herb, forming diffuse to dense patches up to 1 m diam. Prostrate stems 1-1.5 mm diam. and < 1 m long, erect stems 1-1.5 mm diam., < 150 mm long (unless scrambling up through surrounding vegetation, in which case taller). Leaves 10-75 mm long, stipules 3-8-fid, leaflets 9-13, oblong, 4-17 x 2-9 mm, 7-15-toothed to base, dull green to yellow-green, basal leaves often mottled brown, upper surface sparsely to densely hairy, undersides paler, glaucescent to silvery, and very silky hairy, teeth tipped with a tuft of brush-like hairs. Inflorescence scape 40-120 mm long, covered in long, appressed hairs. Capitulum 5-8 mm diam. at flowering, 10-20 mm diam. (including spines) at fruiting; florets c. 50-60; sepals 4; stamens 2; anthers white or rose; style 1; white; achene 1. Fruit obconic, 3 x 12 mm, hairy, spines 4, pale brown, 4-9 mm long, barbed.

It is not frost tender. It is in leaf all year, in flower from June to July. The flower colours are Red,Pink & White. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind.Fruiting time is December – April
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Cultivation:
An easily grown plant, it succeeds in ordinary well-drained soil in sun or semi-shade. Requires a warm position. Adaptable to poorly-drained soils in Australia. A very invasive plant, spreading freely by its procumbent rooting stems. It is low-growing, however, and so can be grown as a ground cover amongst taller plants.

Propagation:
Seed – sow March in a greenhouse. Germination, which can be very poor, usually takes place within 1 – 3 months at 10°c. When the seedlings are large enough to handle, prick them out into individual pots, planting them out in the summer. Division in April or October. Very easy, the plants can be divided at any time of the year if required, though it will need to be done in a greenhouse during the winter months. Cuttings – August in a cold frame.

Edible Uses
Edible Uses: Tea.

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The leaves are used as a substitute for tea.

Medicinal Uses.

Antiphlogistic; Diuretic; Vulnerary.

The leaves are antiphlogistic, carminative, diuretic and vulnerary.

Other Uses:-
Ground cover.

A good ground-cover plant, tolerating some treading. A carpeting plant, rooting as it spreads.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.

Resources:
http://www.pfaf.org/database/plants.php?Acaenia+anserinifolia
http://commons.wikimedia.org/wiki/Acaena_anserinifolia
http://luirig.altervista.org/photos/a/acaena_anserinifolia.htm
http://www.bethchatto.co.uk/plant%20portraits%20a/acaena%20anserinifolia.html
http://plants.usda.gov/java/profile?symbol=ACNO7

http://www.nzpcn.org.nz/flora_details.aspx?ID=1436

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