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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 woodsii Lindl.
Habit: Shrub, open or thicket-forming, generally 5--30 dm. Stem: prickles paired or not, generally +- straight (+- curved) (in California). Leaf: axis finely velvety (glabrous), hairs +- 0.1 mm, glandless; leaflets 5--7, (+-) glabrous; terminal leaflet 10--40 mm, +- obovate-elliptic, widest at or above middle, tip +- obtuse, margins single-toothed, glandless. Inflorescence: 1--12-flowered; pedicels generally 10--20 mm, +- glabrous, glandless. Flower: hypanthium generally 3--5 mm wide at flower, glabrous, glandless, neck 2--4 mm wide; sepals glandless (in California), generally entire (or with simple, linear lobes), tip +- = body, entire; petals generally 15--20 mm, pink; pistils generally 20--35. Fruit: generally 9--12 mm wide; sepals generally erect, persistent; achenes 3--4 mm.
Note: Yosemite Valley plants ambiguous.
Unabridged Note: Rosa woodsii var. woodsii in central United States. Rosa woodsii subsp. puberulenta (Rydb.) W.H. Lewis & Ertter (open habit, long curved prickles), Rosa woodsii subsp. arizonica (Rydb.) W.H. Lewis & Ertter (glandular sepals, short curved prickles) possibly entering California from east.
eFlora Treatment Author: Barbara Ertter
Jepson Online Interchange
Previous taxon: Rosa spithamea
Next taxon: Rosa woodsii subsp. gratissima
Citation for this treatment: Barbara Ertter 2016. Rosa woodsii, Revision 2, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=41704, accessed on April 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 30, 2016.