Jepson eFlora
Key to families | Table of families and genera

Key to Acaena

View taxon page for Acaena

1. Inflorescence a spike; hypanthium prickles in fruit > 4, longest generally 1–3 mm, ± throughout; plant from ± woody, branched caudex; leaflets pinnately dissected ..... A. pinnatifida var. californica

1' Inflorescence a head; hypanthium prickles in fruit 4, longest 7.5–15 mm, ± on top; plant from stolons; leaflets toothed

2. Hypanthium in fruit with longest prickle 7.5–12 mm, without vestigial prickles below top; stem 1–2 mm diam; leaflets dull, smooth adaxially, generally ± glaucous abaxially ..... A. novae-zelandiae

2' Hypanthium in fruit with longest prickle 9–15 mm, generally with a few vestigial prickles below top; stem 2–3 mm diam; leaflets shiny, wrinkled adaxially, pale with uneven wax layer abaxially ..... A. pallida

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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