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Acaena buchananii Hook.F.

Species

Angiosperms > Rosales > Rosaceae > Acaena

Characteristics

Mains stems rather stout, creeping and rooting, sts subterranean, up to 5 dm. or more long; branchlets ascending, c. 1-2 cm. long, stout, ± pilose. Lvs 2-5 cm. long, occ. more, 11-13-foliolate. Axis and lflts densely hairy below, less densely hairy to glab. above, pale subglaucous green; stipules unidentate, pilose-ciliate. Upper lflts oblong to obovate, 3-5 × 3-4 mm., occ. larger; petiolule of terminal lflt 1-3 mm. long. Heads sessile or subsessile, 1·5-2.5 cm. diam. including spines, bractlets pilose. Cupules c. 2 mm. long, broad-turbinate, ± pilose. Spines rather stout to slender, up to 1·5 cm. long, pale to yellowish green, finally brownish yellow, occ. red-flushed (f. erubescens Bitter in Fedde Repert. nov. Spec. Regn. veg. 10, 1912, 499). Sepals ovate, subacute, yellowish green. Stamens 2, rarely 1 by abortion; anthers 2 (rarely 1 or 3), yellowish white, filaments elongating. Achenes 2, rarely 1 only developed.
More
Rhizomatous perennial; stems mat-forming, c. 1.2 mm diam., < 10 cm long, soon rooting and covered by soil; erect branchlets < 2 cm long. Lvs 1.5-9 cm long; stipules entire; leaflets 11-13, broad-obovate, 3-10 × 2.5-8 mm, with 7-14 obtuse teeth, dull grey-green or pale milky green on both surfaces, with veins and margins of lower surface hairy. Capitulum ± sessile, c. 5 mm diam. at flowering, c. 1 cm diam. at fruiting; florets c. 10; sepals 4; stamens 2; anthers white; styles 2, white; achenes 2. Fr. turbinate, c. 3 × 3 mm, sparsely to densely hairy; spines 4, yellow or crimson, < 1.5 cm long, bearing many retrorse, soft hairs at the tip.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.02 - 0.05
Root system creeping-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 6-8
Soil humidity 1-5
Soil texture 1-6
Soil acidity 6-9
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings, divisions or seedlings.
Mode cuttings divisions seedlings
Germination duration (days) 30 - 100
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Acaena buchananii unspecified picture

Distribution

Acaena buchananii world distribution map, present in New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:719950-1
WFO ID wfo-0000984969
COL ID 8QDJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Acaena buchananii
WorldFloraDB 2024