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|Family: Rosaceae||View Description||Dichotomous Key|
|Genus: Rubus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Rubus armeniacus Focke
Habit: Plant to 3 m, arched to mounded; prickles many, stout, wide-based, straight or curved. Stem: to 20(25) mm diam, 5-angled, finely hairy or generally glabrous, not glaucous, persisting 2 years, rooting at tips. Leaf: 1st-yr stem leaves compound, leaflets (3)5, terminal generally wide-elliptic to -obovate, unevenly coarse-double-toothed, tip abruptly pointed, abaxially densely white-tomentose; flower stem leaves simple or compound, leaflets 3(5); stipules <= 1 mm wide, thread-like to linear. Inflorescence: panicle-like cyme, terminal, flowers many. Flower: sepals hairy, nonglandular; petals 10--15 mm, obovate, white to pink; filaments thread-like; pistils > 30, styles long, slender, ovaries glabrous. Fruit: blackberry-type, black. Chromosomes: 2n=28.
Ecology: Common. Disturbed areas, roadsides; Elevation: < 1600 m. Bioregional Distribution: CA-FP; Distribution Outside California: to British Columbia; western North America, eastern North America; native to Eurasia. Flowering Time: Mar--Jun
Synonyms: Rubus discolor Weihe & Nees, misappl.
eFlora Treatment Author: Lawrence A. Alice
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Rubus
Next taxon: Rubus glaucifolius
Citation for this treatment: Lawrence A. Alice 2016. Rubus armeniacus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=87465, accessed on December 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.