Ribes amarum

Ribes amarum is a species of currant known by the common name bitter gooseberry.[2] It is endemic to California, where it is known from mountains, foothills, and canyons. Its habitat includes Chaparral.[6]

Ribes amarum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Grossulariaceae
Genus: Ribes
Species:
R. amarum
Binomial name
Ribes amarum
McClatchie 1894[1]
Synonyms[2][3][4][5]
  • Ribes amarum var. hoffmannii Munz
  • Ribes mariposanum Congdon
  • Grossularia amara (McClatchie) Coville & Britton

Description

Ribes amarum is a shrub growing to one to two meters (40-80 inches) in height. Nodes along the stem each bear three spines up to a centimeter (0.4 inch) in length. The hairy, glandular leaves are 2 to 4 centimeters (0.8-1.6 inches) long and generally rounded in shape, divided into 3 to 5 rounded toothed lobes.[7]

The inflorescence is a solitary flower or raceme of up to three flowers which hang from leaf axils. The showy flower has five pointed sepals in shades of purple-red which are reflexed upward. At the center is a tubular corolla of white or pink-tinged petals around five stamens and two styles. The fruit is a bristly berry up to 2 centimeters wide which is bright red, ripening purple.[7]

References
  1.  This species was first described and published in Erythea; a Journal of Botany, West American and General ii. (1894) 79. Berkeley, CA "Plant Name Details for Ribes amarum". IPNI. Retrieved July 22, 2010.
  2. "Ribes amarum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 22 October 2015.
  3.  Bulletin of the Southern California Academy of Sciences 31: 64. 1932. "Plant Name Details for Ribes amarum var. hoffmannii". IPNI. Retrieved July 22, 2010.
  4.  Erythea 7: 183. 1900. "Plant Name Details for Ribes mariposanum". IPNI. Retrieved July 22, 2010.
  5.  North American Flora xxii. 216 (1908). New York Botanical Garden "Plant Name Details for Grossularia amara". IPNI. Retrieved July 22, 2010.
  6. Calflora taxon report, University of California, Ribes amarum McClatchie, bitter gooseberry
  7. Flora of North America: Ribes amarum


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