E-Flora BC: Electronic Atlas of the Flora of British Columbia

Rosa nutkana C. Presl var. nutkana
Nootka rose
Rosaceae (Rose family)

Introduction to Vascular Plants

© Russell Foreman  Email the photographer   (Photo ID #20601)

E-Flora BC Static Map
Distribution of Rosa nutkana var. nutkana
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Species Information

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General:
Medium to tall shrub 0.5-3 m tall, spreading by rhizomes and often thicket-forming; stems stout to spindly, erect to arching, with a pair of large prickles (thorns) at each node, usually lacking internodal prickles; mature stems blackish.
Leaves:
Alternate, deciduous, odd-pinnately compound, the leaf-stalk and axis glandular-hairy or short-hairy; leaflets 5 or 7 (9), elliptic to egg-shaped, 1-7 cm long, coarsely single- or double-toothed, somewhat glandular-short-hairy beneath; stipules usually glandular-blunt-toothed.
Flowers:
Inflorescence of usually single, sometimes 2 or 3, stalked flowers on lateral branchlets; corollas pink, saucer-shaped, large (4-8 cm across), the petals 5, (2) 2.5-4 cm long; calyces smooth or glandular-bristly, 5-lobed, the lobes lanceolate, 1.5-4 cm long, long-tapering and narrowing then flaring below the tip, persistent; ovaries superior but enclosed in the urn-shaped floral tube (hypanthium); stamens numerous.
Fruits:
Achenes, numerous, stiffly long-hairy on one side, enclosed by the fleshy hypanthium, which ripens into a purplish-red, globe- to pear-shaped hip 1-2 cm long.
Notes:
Two varieties occur in BC:

1. Leaflets doubly saw-toothed, the teeth gland-tipped; infrastipular prickles becoming much enlarged and flattened toward base; plants mostly from west of Coast-Cascade Mountains................. var. nutkana

1. Leaflets singly saw-toothed, the teeth not gland-tiped; prickles rarely enlarged and flattened; plants mostly from east of Coast-Cascade Mountains..................var. hispida Fern.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist thickets, forest edges, river terraces, shorelines, streambanks, clearings and roadsides in the lowland and montane zones; common throughout BC south of 55oN except in the Chilcotin area, infrequent northward, absent in NE BC; N to AK and S to CA, CO and UT.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Rosa nutkana var. nutkana

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 996 996 996
Slope Gradient (%) 18 18 18
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
231 231 231
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
ICH
All BEC Zones (# of stations/zone) species was recorded in: ICH(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Rosa durandii Crép.

Taxonomic and Nomenclatural Links

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General References