Rosa nutkana C. Presl (Q4088)

taxon name

Rosa nutkana

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taxon authority

C. Presl

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taxon rank

species

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taxon status

accepted

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common name

Nootka rose (English)

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rosier de Nootka (French)

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VasCan taxon numeric id

8903

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parent taxon

Rosa sect. Rosa

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taxon habit

shrub

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GBIF taxon key

3011070

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

distribution

CA-BC

B.C.

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US-AK

Alaska

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US-AZ

Ariz.

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US-CA

Calif.

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US-CO

Colo.

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US-ID

Idaho

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US-MT

Mont.

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US-NM

N.Mex.

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US-OR

Oreg.

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US-UT

Utah

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US-WA

Wash.

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US-WY

Wyo.

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special status

E

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F

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taxon description fragment

Shrubs, loosely clustered or forming dense thickets.

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d0_s0

Stems erect or spreading, stout or lax, 4–25 (–40) dm, densely or openly branched;

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d0_s1

bark dull reddish-brown, older wood with gray exfoliate, glabrous;

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d0_s2

infrastipular prickles 0–2, erect, curved, or hooked, often flattened, stout, subulate, sometimes deltoid, (2–) 3–15 (–20) × 2–10 (–15) mm, base glabrous, internodal prickles usually sparse or absent, smaller, mixed with aciculi, sometimes absent.

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d0_s3

Leaves (3–) 5–12 (–17) cm;

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d0_s4

stipules 12–20 (–28) × 3–5 (–10) mm, auricles flared, 3–6 (–10) mm, margins sinuate or shallowly serrate, sparsely to ± densely stipitate-glandular, surfaces glabrous, rarely pubescent, eglandular;

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d0_s5

petiole and rachis with pricklets absent or sparse, glabrous or pubescent, sessile or stipitate-glandular;

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d0_s6

leaflets 5–7 (–9), terminal: petiolule (3–) 5–17 mm, blade ovate, elliptic, or suborbiculate, rarely cordate or oblong, (14–) 20–55 (–63) × (6–) 10–30 (–40) mm, firm, base cuneate to obtuse, margins 1–2+-serrate, teeth 8–20 per side, often broad-based 2–4 mm, acute to obtuse, eglandular or gland-tipped, apex acute or obtuse, rarely acuminate, abaxial surfaces green, glabrous or sparsely pubescent, eglandular or sessile-glandular, adaxial green, dull, glabrous.

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d0_s7

Inflorescences corymbs, 1–3 (–9) -flowered.

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d0_s8

Pedicels erect or recurved, slender to stout, 10–20 (–33) mm, glabrous, eglandular or sparsely stipitate-glandular;

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d0_s9

bracts 1 or 2 (or 3), ovate, 13–20 × 4–9 mm, margins entire, surfaces glabrous, glandular or eglandular.

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d0_s10

Flowers (3.5–) 4.5–7 (–8.5) cm diam.;

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d0_s11

hypanthium globose to subglobose or ovoid, 4–10 × 5–8.5 mm, glabrous, eglandular, sometimes setose-glandular, neck (0–) 0.5–1.5 × 3–6 mm;

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d0_s12

sepals spreading, lanceolate, 14–25 (–35) × (2–) 3–4 mm, tip 5–10 (–20) × 1–3 mm, margins entire, abaxial surfaces glabrous or slightly hairy, stipitate-glandular and sessile-glandular or eglandular;

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d0_s13

petals single, pink to deep rose, (15–) 20–32 × (15–) 20–32 mm;

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d0_s14

stamens 100;

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d0_s15

carpels 28–58, styles exsert 1 mm beyond stylar orifice (2–2.5 mm diam.) of hypanthial disc (5 mm diam.).

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