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|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: Rosa||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Rosa rubiginosa L.
Habit: Shrub or thicket-forming, 8--30 dm. Stem: prickles generally few, generally not paired, +- 5--15 mm, thick-based, compressed, curved. Leaf: axis +- hairy, hairs 0.2--1 mm, glandular; leaflets generally 5--7, +- hairy, glandular; terminal leaflet generally 10--35 mm, elliptic to +- widely obovate, widest near middle, tip obtuse, margins double-toothed, glandular. Inflorescence: generally 1--8-flowered; pedicels +- 10 mm, glabrous, stalked-glandular. Flower: hypanthium generally 4--5 mm wide at flower, +- glabrous, glandless to sparsely stalked-glandular, neck +- 3 mm wide; sepals glandular, lateral lobes toothed, tip +- = body, generally toothed; petals generally 10--20 mm, pink; pistils 20--45. Fruit: 10--18 mm wide; +- ellipsoid; sepals spreading to reflexed, unevenly deciduous; achenes 4--5 mm. Chromosomes: 2n=35.
Ecology: Generally +- dry, often disturbed open sites; Elevation: 30--1400 m. Bioregional Distribution: NW (exc NCoRH), CaR, n&c SN, Teh, CCo, SnFrB; Distribution Outside California: to eastern North America; native to Europe. Flowering Time: May--Aug
Synonyms: Rosa eglanteria L., nom. rej.
eFlora Treatment Author: Barbara Ertter
Jepson Online Interchange
Previous taxon: Rosa pisocarpa subsp. pisocarpa
Next taxon: Rosa spithamea
Citation for this treatment: Barbara Ertter 2017. Rosa rubiginosa, in Jepson Flora Project (eds.) Jepson eFlora, Revision 2, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=41648, accessed on April 27, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 27, 2017.