Difference between revisions of "Rosa pisocarpa A. Gray (Q4091) "

taxon name

Rosa pisocarpa

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taxon authority

A. Gray

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taxon rank

species

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taxon status

accepted

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common name

clustered wild rose (English)

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cluster rose (English)

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pea rose (English)

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pea-fruit rose (English)

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rosier pisocarpe (French)

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VasCan taxon numeric id

8908

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parent taxon

Rosa sect. Rosa

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taxon habit

shrub

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GBIF taxon key

3008580

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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-CA

Calif.

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US-OR

Oreg.

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US-WA

Wash.

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special status

E

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F

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taxon description fragment

Shrubs, loosely clustered or in dense thickets.

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d0_s0

Stems ascending to erect, (2–) 4–20 (–25) dm, openly branched;

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d0_s1

bark ± glaucous when young, dark reddish-brown or dull red with age outer layer may exfoliate as thin ash gray peel, glabrous;

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d0_s2

infrastipular prickles usually paired, erect, rarely curved, usually subulate, 2–10 × 2–4 mm, base glabrous, internodal prickles rare or absent.

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d0_s3

Leaves 5–10 (–13) cm;

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d0_s4

stipules 8–22 × 2–5 mm, auricles flared, 2–5 mm, margins usually entire, sometimes erose or lobed, finely ciliolate to ciliate, eglandular, surfaces glabrous or sparsely pubescent, sparsely stipitate-glandular or eglandular;

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d0_s5

petiole and rachis sometimes with pricklets, glabrous or hairy hairs to 1 mm, sometimes stipitate-glandular;

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d0_s6

leaflets 5–7 (–9), terminal: petiolule 8–12 mm, blade elliptic-ovate, (15–) 20–45 (–60) × 9–16 (–20) mm, widest at or below middle, membranous, base cuneate to obtuse, margins 1 (–2) -serrate, teeth 12–22 per side, on distal 3/4–4/5 of margin, acute, eglandular, apex acute, sometimes obtuse, abaxial surfaces pale green, usually sparsely pubescent, eglandular, adaxial green, dull, glabrous, rarely puberulent.

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d0_s7

Inflorescences corymbs, sometimes panicles or solitary flowers, 1–12-flowered.

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d0_s8

Pedicels erect, sometimes recurved, slender, 10–22 mm, usually glabrous, sometimes finely puberulent, eglandular, rarely stipulate-glandular;

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d0_s9

bracts 2–3, lanceolate, 8–14 × 3–6 mm, margins entire, sometimes serrate, irregularly stipitate-glandular and/or erose, surfaces glabrous or pubescent, eglandular.

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d0_s10

Flowers 2.4–3.8 cm diam.;

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d0_s11

hypanthium ovoid-urceolate, 3–5 × 2.5–3.5 mm, glabrous, rarely setose, eglandular, neck (0–) 0.5–1 × 2 mm;

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d0_s12

sepals spreading, ovatelanceolate, 10–17 × 1.5–3 mm, tip 3–7 (–10) × 1.5–2.5 mm, margins entire, abaxial surfaces sometimes puberulent, densely or sparsely stipitate-glandular, rarely eglandular;

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d0_s13

petals single, pink to deep pink, 12–18 × 10–18 mm;

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d0_s14

stamens 75;

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d0_s15

carpels 22–35, styles exsert 1–2 mm beyond stylar orifice (1 mm diam.) of hypanthial disc (3.5 mm diam.).

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