|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Rosaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb; hairs 0 or not glandular. Leaf: alternate, odd-1-pinnately compound; leaflets toothed < 1/3 to midvein. Inflorescence: spike, head-like; peduncle long; pedicel bractlets 2, subtended by 1 bract. Flower: bisexual; hypanthium urn-shaped, bractlets 0; sepals generally 4; petals 0; stamens 2--4, filaments not thread-like; pistils 1(2), ovary superior, continuous to style at top, stigma generally +- bushy, exserted. Fruit: hypanthium enclosing achene(s), 4-angled, hard. Chromosomes: 2n=28,56.
Species In Genus: 15 species: northern temperate, arctic. Etymology: (Latin: blood-absorbing, from styptic properties) Note: Other taxa in TJM (1993) moved to Poteridium, Poterium.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter
Jepson Online Interchange
Previous taxon: Rubus ursinus
Next taxon: Sanguisorba officinalis
Citation for this treatment: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter 2016. Sanguisorba, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11264, accessed on August 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 25, 2016.