|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
|Family: Rosaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb, nonglandular. Leaf: generally +- basal, odd-1-pinnate; leaflets +- evenly toothed to lobed. Inflorescence: dense spike or head; pedicel bractlets 0. Flower: hypanthium +- obconic, bractlets leaf-like to linear; sepals generally 4; petals 0; stamens 2 or 4, opposite sepals; pistils 1(2), ovary superior, continuous to style at top, stigma many-branched, exserted from hypanthium. Fruit: hypanthium +- hardened, encasing elliptic achenes; prickles generally 4--many, generally barbed.
Species In Genus: +- 45 species: especially southern hemisphere. Etymology: (Greek: thorn, from fruit)
eFlora Treatment Author: B.H. Macmillan & Barbara Ertter
Jepson Online Interchange
Key to AcaenaPrevious taxon: Rosaceae
Next taxon: Acaena novae-zelandiae
Citation for this treatment: B.H. Macmillan & Barbara Ertter 2016. Acaena, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10042, accessed on July 23, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 23, 2016.