''Rosa gymnocarpa'' is a species of
rose
A rose is either a woody perennial flowering plant of the genus ''Rosa'' (), in the family Rosaceae (), or the flower it bears. There are over three hundred species and tens of thousands of cultivars. They form a group of plants that can be ...
native to western North America. It is known by the common names dwarf rose, baldhip rose, and wood rose. It grows in shady, damp, and rich forests.
Description
''Rosa gymnocarpa'' is a perennial shrub growing up to in height. Its stem is covered with long, straight spines which may or may not be abundant.
The pink or white fragrant flowers are flat and open-faced with five petals in most any shade of pink to almost lavender. Its fruit is a red
rose hip
The rose hip or rosehip, also called rose haw and rose hep, is the accessory fruit of the various species of rose plant. It is typically red to orange, but ranges from dark purple to black in some species. Rose hips begin to form after pollinat ...
containing hard tan
achene
An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...
s that contain the seeds. The
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...
s fall away from the hip earlier than in other species of rose, hence the name baldhip rose.
The leaves are pinnately compound, alternate, with 5 to 9 leaflets, each of which are 1 to 4 cm. Leaflets are elliptic to ovate to round.
See also
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List of Rosa species
There is significant disagreement over the number of true rose species. Some species are so similar that they could easily be considered variations of a single species, while other species show enough variation that they could easily be considered ...
References
External links
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Jepson Manual Treatment - ''Rosa gymnocarpa''USDA Plants Profile: Rosa gymnocarpa''Rosa gymnocarpa'' - Photo gallery of plant, flowers and hips
{{Taxonbar, from=Q3062178
gymnocarpa
Flora of the West Coast of the United States
Flora of British Columbia
Flora of California
Flora of Idaho
Flora of Montana
Flora of Oregon
Flora of Washington (state)
Flora of the Cascade Range
Flora of the Great Basin
Flora of the Klamath Mountains
Flora of the Sierra Nevada (United States)
Natural history of the California chaparral and woodlands
Natural history of the California Coast Ranges
Natural history of the Peninsular Ranges
Natural history of the San Francisco Bay Area
Bird food plants
Garden plants of North America
Flora without expected TNC conservation status