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Rubus spectabilis

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"Salmonberry" redirects here. For other uses, see Salmonberry (disambiguation).

Rubus spectabilis, the salmonberry, is a species of bramble in the rose family Rosaceae, native to the west coast of North America from west-central Alaska to California, inland as far as Idaho.[2][3][4] Like many other species in the genus Rubus, the salmonberry plant bears edible fruit, typically yellow-orange or red in color, resembling raspberries in appearance.

Salmonberry
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. spectabilis
Binomial name
Rubus spectabilis
Pursh 1813 not E.James 1825 nor Mercier 1861[1]
Synonyms[1]
  • Parmena spectabilis (Pursh) Greene
  • Rubus franciscanus Rydb.
  • Rubus spectabilis var. franciscanus (Rydb.) J.T.Howell
  • Rubus spectabilis var. menziesii (Hook.) S.Watson
  • Rubus stenopetalus Cham.

Description

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Rubus spectabilis is a deciduous, rhizomatous shrub growing to 1–4 metres (3–13 feet) tall and 9 metres (30 feet) wide, with a moderate growth rate of 0.3–0.6 metres (12-24 inches) per year.[5] 30-40% of the plant's biomass is underground.[6] It has perennial (not biennial) woody stems that are covered with fine prickles, especially on new growth.[7] The plant has golden or yellowish brown erect or arching stems (also known as "canes") that often form thickets, like many other brambles in the genus Rubus. The leaves are alternate, trifoliate (with three leaflets), 7–22 centimetres (3–8+1⁄2 inches) long and typically ovate in shape, with the terminal leaflet being larger than the two side leaflets, which are sometimes shallowly lobed. The margins of the leaflets are doubly serrate.[8][9] The leaves are also stipulate and are smooth to slightly hairy on the top surface, compared to the underside, which are typically more pale and hairy.[9] In late fall and winter months, salmonberry leaves will fall, and the plant remains dormant or maintains minimal shoot elongation during the winter.[10]

The flowers are 2–3 cm (3⁄4–1+1⁄4 in) in diameter, with a calyx of five hairy sepals and five pinkish-purple petals that surround a cluster of stamens; they are produced between April and July, either singly or in clusters of 2 or 3. The flowers are perfect (bisexual), containing 75–100 stamens and many individual pistils with superior ovaries.[8][9] While fruit production is largely dependent on the environment, there is an estimated growth of 30 fruits per 3m^2 (32 ft^2) and 17-65 seeds per fruit.[11] Salmonberry sprout mainly from the buds found on rhizomes, stumps, and root crowns of the plant. The flowers cannot self-pollinate and are instead pollinated by insects, hummingbirds, and beetles.[10]

Salmonberries ripen approximately 30–36 days after pollination, from early May to late July in most of the Pacific Northwest and July to August in cooler Northern climates. They are 1.5–2 cm (1⁄2–3⁄4 in) long and resemble large shiny yellow to orange-red raspberries. The fruit pulls away from its receptacle, differentiating it from blackberries.[citation needed] Botanically speaking, the salmonberry is not a true berry, but instead an aggregate fruit made of many smaller drupelets.[9][12] The fruits of the salmonberry plant exhibit polymorphism, as berries are often either red in color or a yellow-orange color. Studies have found that although both red and yellow-orange morphs have similar physical qualities, the red berries are more commonly consumed by birds, although this is likely not a strong enough selective pressure to determine color morph distribution alone; factors such as soil type (which affects germination), along with other unstudied factors are more likely responsible for the color polymorphism.[13][14][15]

A similar species from Japan, the red-flowered raspberry (ベニバナイチゴ) was once considered a subspecies as R. spectabilis subsp. vernus. It is now reclassified as R. vernus.[16]

Distribution and habitat

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Salmonberries are typically found in coastal areas with nitrogen-rich soils, in moist to wet forests and streambanks, increasing in abundance in areas of high rainfall and decreasing in abundance at higher elevations and continentality. Ecologically speaking, salmonberry tends to spread quickly and needs plenty of room to grow, and is often dominant and fast-growing in early-seral communities. Its size and population growth decline in abundance as the canopy begins to form, and may also be influenced by other factors such as basal area, plant disturbance, and population density.[9][17] In open areas they often form large thickets, and are found to associate with stands of red alder (Alnus rubra), lady fern (Athyrium filixfemina), western skunk cabbage (Lysichiton americanus), devil's club (Oplopanax horridus), thimbleberry (Rubus parviflorus), and threeleaf foamflower (Tiarella trifoliata).[9]

Ecology

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In the wild, the fruit are typically eaten by birds, bears, and small mammals, among others, while the leaves, twigs, and stems are grazed on by herbivores such as deer, moose, mountain goats, elk, and rabbits.[8][7] Populations of dense thicket growth can provide escape habitats for small animals, as well as nesting sites for birds.[7]

In the spring, salmonberry flowering coincides with the migration of certain species of hummingbirds, which is crucial for its pollination.[18] Birds and mammals also help with dispersion of seeds through their feces, while rodents and other burrowing animals may further help with dispersion. Some notable mammals crucial for the dispersion of seeds are the grizzly and American black bears, which can deposit 50,000 to 100,000 seeds in one pile of feces.[14]

Salmonberry have several traits that make it highly resistant to fire. Rhizomes and root crowns below the soil surface usually survive, even if top stems are burned. Depending on burial depth, seeds also often remain unharmed. Additionally, the plant tend to quickly sprout after fires, allowing for rapid growth and regeneration.[19]

Salmonberries are susceptible to many diseases, including mildew, fruit rot, rust, root rot, and viral and bacterial diseases. Their fruits, foliage, canes, roots, and crowns may also be damaged by pests such as beetles, aphids, mites, moths, among others.[20]

Uses

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Salmonberries are edible.[21][13] The fruit has been referred to as "insipid",[22] but depending on ripeness and site, they are good eaten raw – whether red or golden[13] – and when processed into jam, candy, jelly and wine. Native American people ate the young shoots or used it as a medicinal plant. The shoots were harvested during April to early June before they turned woody or tough, and were peeled, then steamed, boiled, or pit-cooked, and eaten (or less commonly, eaten raw).[7][23] Traditionally, the berries and sprouts were also eaten with salmon or mixed with oolichan grease or salmon roe. They were not dried because of their high moisture content.[7][22] It is still used as a food source and medicinal plant in regions of Alaska today.

Other uses by Native Americans include:[7]

  • Boiling the leaves with fish as a flavoring (by the Nuu-chah-nulth people)
  • Using the leaves to line baskets, wipe fish, and cover cooking pits (by the Kaigani Haida people)
  • Using the branches as a pipe stem (by the Makah people)
  • Chewing and spitting the leaves (or bark in the winter) onto a burn as a treatment due to their astringent qualities (by the Quileute people)
  • Boiling the bark in seawater to create a brew to clean infected wounds (especially burns) as well as reduce labor pains (by the Quinault people)

It is also widely grown as an ornamental plant for its flowers,[13][24][25] with a double-flowered clone identified in Washington and British Columbia.[26] R. spectabilis has escaped cultivation and become naturalized in parts of northwestern Europe, including Great Britain, Ireland and the Faroe Islands.[27][28]

Culture

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The salmonberry is important to multiple indigenous people of America in its native range. The Makah people call the plant ka'k'we'abupt and the berry ka'k'we; the Cowlitz people call the plant e'twanac and the berry e'twan; speakers of Lower Chinook call it yunts.[29] The Squamish people call the plant yetwánáy and the berries yetwán, the shoots are called stsá7tskaý (pronounced saskay).[30] The birdsong of the Swainson's thrush, sometimes known as the salmonberry bird, is a phenological indicator known to multiple indigenous people of the Pacific Northwest Coast to be associated with the ripening of salmonberries. The birdsong itself is even said to make the berries ripen,[30] as is the case of the Saanich people who give the birdsong the onomatopoeic translation of "xwexwelexwelexwelexwesh!" meaning "ripen, ripen, ripen, ripen!" This belief is also widespread and is known to the Tlingit, Haida, Haisla, Oweekeno, Kwakwaka'wakw, Nuu-Chah-Nulth, Ditidaht, Sḵwx̱wú7mesh, and the Straits Salish people. The presence of Elasmostethus cruciatus, called the salmonberry bug, is also seen as an indicator to Northwest Coast indigenous peoples that salmonberry shoots are ready to harvest.[31]

References

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  1. ^ a b "Rubus spectabilis Mercier — The Plant List". www.theplantlist.org.
  2. ^ "Biota of North America Program 2014 state-level distribution map".
  3. ^ "Biota of North America Program 2014 county distribution map".
  4. ^ Calflora taxon report, University of California, Rubus spectabilis Pursh, salmon berry, salmonberry
  5. ^ "Salmon Berry, Rubus spectabilis". calscape.org. Retrieved 2022-10-22.
  6. ^ Tappeiner, John; Zasada, John; Ryan, Peter; Newton, Michael (April 1991). "Salmonberry Clonal and Population Structure: The Basis for a Persistent Cover". Ecology. 72 (2): 609–618. doi:10.2307/2937201. ISSN 0012-9658. JSTOR 2937201.
  7. ^ a b c d e f "USDA Plants Database". plants.usda.gov. Retrieved 2021-12-05.
  8. ^ a b c Whitney, Stephen (1985). Western Forests (The Audubon Society Nature Guides). New York: Knopf. p. 419. ISBN 978-0-394-73127-8.
  9. ^ a b c d e f "Plants of British Columbia: Rubus spectabilis". Linnet.geog.ubc.ca. Archived from the original on March 14, 2017. Retrieved December 9, 2014.
  10. ^ a b "Rubus spectabilis". www.fs.usda.gov. Retrieved 2022-10-22.
  11. ^ Sastry, K. Subramanya; Mandal, Bikash; Hammond, John; Scott, S. W.; Briddon, R. W. (2019), "Rubus spp. (Blackberry, Blackraspberry, Caneberry, Raspberry, Redraspberry, Wineberry)", Encyclopedia of Plant Viruses and Viroids, New Delhi: Springer India, pp. 2111–2133, doi:10.1007/978-81-322-3912-3_805, ISBN 978-81-322-3911-6, S2CID 239272713
  12. ^ "Jepson Flora: Rubus spectabilis". Ucjeps.berkeley.edu. Retrieved December 9, 2014.
  13. ^ a b c d Mosquin, Daniel (23 May 2015). "Rubus spectabilis". University of British Columbia Botanical Garden. Retrieved 12 April 2021.
  14. ^ a b Traveset, Anna; Willson, Mary F. (March 1998). "Ecology of the fruit-colour polymorphism in Rubus spectabilis". Evolutionary Ecology. 12 (3): 331–345. doi:10.1023/A:1006504317585. ISSN 1573-8477. S2CID 41661194.
  15. ^ Gervais, Jennifer A.; Noon, B.; Willson, M. (1999). "Avian selection of the color-dimorphic fruits of salmonberry, Rubus spectabilis: a field experiment". Oikos. 84 (1): 77–86. doi:10.2307/3546868. JSTOR 3546868. S2CID 87682589.
  16. ^ Naruhashi, Naruhito (June 15, 1980). "Rubus vernus FOCKE and R. spectabilis PURSH". The Journal of Phytogeography and Taxonomy (The Journal of Geobotany). 28: 13 – via ISSN 0388-6212.
  17. ^ "Rubus spectabilis". www.fs.fed.us. Retrieved 2021-12-06.
  18. ^ Pojar, Jim (1974-08-01). "Reproductive dynamics of four plant communities of southwestern British Columbia". Canadian Journal of Botany. 52 (8): 1819–1834. doi:10.1139/b74-234. ISSN 0008-4026.
  19. ^ Oleskevich, Carmen; Punja, Zamir K.; Shamoun, Simon F. (1996-01-01). "The biology of Canadian weeds. 105. Rubus strigosus Michx., Rubus parviflorus Nutt., and Rubus spectabilis Pursh". Canadian Journal of Plant Science. 76 (1): 187–201. doi:10.4141/cjps96-037. ISSN 0008-4220.
  20. ^ G., R. V.; Ellis, Michael A.; Converse, Richard H.; Williams, Roger N.; Williamson, Brian (November 1992). "Compendium of Raspberry and Blackberry Diseases and Insects". Mycologia. 84 (6): 953. doi:10.2307/3760307. ISSN 0027-5514. JSTOR 3760307.
  21. ^ Fagan, Damian (2019). Wildflowers of Oregon: A Field Guide to Over 400 Wildflowers, Trees, and Shrubs of the Coast, Cascades, and High Desert. Guilford, CT: FalconGuides. p. 222. ISBN 978-1-4930-3633-2. OCLC 1073035766.
  22. ^ a b Pojar, Jim; MacKinnon, Andy (2004). Plants Of The Pacific Northwest Coast: Washington, Oregon, British Columbia & Alaska. Lone Pine Publishing. p. 76. ISBN 978-1-55105-530-5.
  23. ^ Lyons, C. P. (1956). Trees, Shrubs and Flowers to Know in Washington (1st ed.). Canada: J. M. Dent & Sons. p. 88.
  24. ^ Mulligan, Brian O. (1977). Woody Plants in the University of Washington Arboretum, Washington Park. University of Washington, College of Forest Resources, Seattle.
  25. ^ Mulligan, Brian O. (1963). Accession records of the University of Washington Arboretum
  26. ^ Mosquin, Daniel (23 April 2007). "Rubus spectabilis Double-Flowered Group". University of British Columbia Botanical Garden. Retrieved 12 April 2021.
  27. ^ Inland Fisheries Ireland. "Risk Assessment of Rubus spectabilis" (PDF). nonnativespecies.ie. National Biodiversity Data Centre. Retrieved May 1, 2018.
  28. ^ Højgaard, A. et al., eds. (1989). A century of tree-planting in the Faroe Islands. Føroya Fróðskaparfelag, Tórshavn.
  29. ^ "Rubus spectabilis". Mount Pisgah Arboretum. Retrieved 2023-04-08.
  30. ^ a b Joseph, Leigh (24 April 2017). "The Gifts of Yetwánaý (Salmon Berry)". Leigh Joseph (Styawat), Ethnobotanist. Retrieved 2023-04-08.
  31. ^ Turner, Nancy J.; Reid, Andrea J. (2022-11-01). ""When the Wild Roses Bloom": Indigenous Knowledge and Environmental Change in Northwestern North America". GeoHealth. 6 (11): e2022GH000612. doi:10.1029/2022GH000612. ISSN 2471-1403. PMC 9665002. PMID 36398276.
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