Nasturtium microphyllum Boenninghausen ex Reichenbach (Q3617)

taxon name

Nasturtium microphyllum

1 reference

taxon authority

Boenninghausen ex Reichenbach

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taxon rank

species

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taxon status

accepted

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common name

cresson à petites feuilles (French)

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small-leaved watercress (English)

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one-row watercress (English)

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northern watercress (English)

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narrow-fruit rockcress (English)

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one-row yellowcress (English)

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VasCan taxon numeric id

4082

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distribution

CA-BC

present

introduced

1 reference

Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.

CA-MB

present

introduced

1 reference

Manitoba Checklist, 2002

CA-ON

present

introduced

1 reference

Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.

CA-QC

present

introduced

1 reference

Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.

CA-NB

present

introduced

1 reference

Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.

CA-PE

present

introduced

1 reference

Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.

Newfoundland, CA

present

introduced

1 reference

Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm

FR-PM

present

introduced

1 reference

Etcheberry, R. 1989. Plantes de Saint-Pierre et Miquelon. Unpublished list (MT).

CA-BC

B.C.

1 reference

CA-MB

Man.

1 reference

CA-NB

N.B.

1 reference

CA-NL

Nfld. and Labr. (Nfld.)

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CA-ON

Ont.

1 reference

CA-PE

P.E.I.

1 reference

CA-QC

Que.

1 reference

US-CT

Conn.

1 reference

US-ID

Idaho

1 reference

US-IN

Ind.

1 reference

US-KY

Ky.

1 reference

US-ME

Maine

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US-MA

Mass.

1 reference

US-MI

Mich.

1 reference

US-NH

N.H.

1 reference

US-NM

N.Mex.

1 reference

US-NY

N.Y.

1 reference

US-OR

Oreg.

1 reference

US-PA

Pa.

1 reference

US-RI

R.I.

1 reference

US-VT

Vt.

1 reference

US-WY

Wyo.

1 reference

Europe

1 reference

also elsewhere in the New World

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Australia

1 reference

Nasturtium W. T. Aiton in W. Aiton and W. T. Aiton

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

9184619

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Global Biodiversity Information Facility

IUCN Redlist Category

LC

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jan–Aug.

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taxon habitat

lake margins

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streams

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ponds

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springs

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river shores

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seeps

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swales

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wet meadows

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elevation

0-1500 m

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special status

I

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taxon description fragment

Plants glabrous throughout or sparsely pubescent.

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d0_s0

Stems (1–) 2–10 (–18) dm.

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d0_s1

Cauline leaves: petiole not winged, base auriculate;

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d0_s2

blade (3–) 5–9 (–11) -foliolate, (1.5–) 2.5–10 (–15) cm;

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d0_s3

lateral leaflets sessile or petiolulate, rachis not winged, blade smaller than terminal;

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d0_s4

terminal leaflet (or simple blade) suborbicular or oblong, (0.6–) 1.5–3.5 (–4.5) cm × (4–) 8–20 (–25) mm, base obtuse, cuneate, or subcordate, margins entire or repand, apex obtuse.

1 reference

d0_s5

Fruiting pedicels divaricate or descending, straight or, occasionally, recurved, (7–) 9–21 (–25) mm.

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d0_s6

Flowers: sepals 2.5–4 × 1–1.5 mm;

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d0_s7

petals white or pink, spatulate or obovate, 4.5–6 × 1.5–3 mm, (base to 1 mm), apex rounded;

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d0_s8

filaments 2.5–3.5 mm;

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d0_s9

anthers 0.7–1 mm.

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d0_s10

Fruits 1.4–2.2 (–2.7) cm × 1–1.5 (–1.8) mm;

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d0_s11

ovules 30–38 (–40) per ovary;

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d0_s12

style 0.5–1.5 (–2) mm.

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d0_s13

Seeds uniseriate, reddish-brown, ovoid, (0.8–) 1–1.2 × (0.6–) 0.7–0.8 (–0.9) mm, moderately reticulate with (75–) 100–150 (–175) areolae on each side.

1 reference

d0_s14

2n = 64.

1 reference