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Acaena echinata Nees
Family Rosaceae
Acaena echinata Nees APNI*

Description: Plant 25–40 cm high, stems erect or ascending, glabrous or sparsely appressed-pilose.

Leaves usually 9–15-foliolate, sometimes to 25-foliolate; leaflets ovate to oblong, longest 10–12 mm long, 6–10 mm wide, hairs confined to main veins on the lower surface, glabrous or sparsely pilose above.

Flowers and fruiting hypanthia in long interrupted spikes with 3 or 4 flowers scattered on the stem below; peduncles ± glabrous to sparsely pilose. Fruiting hypanthia ovoid, ± wrinkled; spines many, ± equal, 1–4 mm long, glabrous to pilose.


Distribution and occurrence:
NSW subdivisions: CC, SC, CT, ST, NWS, CWS, SWS
Other Australian states: Qld Vic. Tas. W.A.
AVH map***

There are no herbarium specimens of A. echinata var. tylacantha in NSW; however, a collection from near Kiandra in 1962 is cited in Orchard's paper (Orchard 1969).

Text by G. J. Harden & A. N. Rodd
Taxon concept: Flora of NSW 1 (1990)

 Key to the varieties 
1Fruit and spines glabrous, largest spines with thickened bases.var. echinata
Fruit with spreading pilose hairs, larger spines with thickened bases or slender.2
2Spines all slender; fruit ovoid without longitudinal ridges.var. subglabricalyx
Spines (at least the longer ones) with thickened bases; fruit with 3 or 4 longitudinal ridges.
                       Back to 1
3
3Stamens 1–2 mm long; stipules 2–3 mm long, spike unbranched.var. retrorsumpilosa
Stamens 3–5 mm long; stipules 4–5 mm long; spike usually branched at base.
                       Back to 2
var. tylacantha

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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