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.
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|| |
|1||Fruit and spines glabrous, largest spines with thickened bases.||var. echinata|
|Fruit with spreading pilose hairs, larger spines with thickened bases or slender.||2|
|2||Spines 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.|
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|3||Stamens 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.|
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