Cardamine microphylla Adams (Q3581)

taxon name

Cardamine microphylla

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taxon authority

Adams

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taxon rank

species

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taxon status

accepted

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common name

cardamine à petites feuilles (French)

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small-leaved bittercress (English)

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little-leaved bittercress (English)

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VasCan taxon numeric id

3956

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distribution

CA-NT

establishment of distribution

occurrence status

present

native

1 reference

publication

Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.

CA-YT

establishment of distribution

occurrence status

present

native

1 reference

publication

Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.

CA-NT

original value

N.W.T.

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CA-YT

original value

Yukon

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US-AK

original value

Alaska

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e Asia (Russian Far East)

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e Asia (Siberia)

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parent taxon

Cardamine Linnaeus

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taxon habit

herb

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GBIF taxon key

3045938

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Jul–Aug.

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taxon habitat

streamsides

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sand

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cobbles

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gravel bars

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shale banks

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floodplains

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alluvial sand

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cobbles

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moist moss

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turf

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seepage areas

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meadows

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wet grounds

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elevation

0-1600 m

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taxon description fragment

Rhizomes cylindrical, slender, 0.7–1.5 mm diam.

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d0_s2

Stems erect or ascending, unbranched, 0.3–1.5 (–2) dm.

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d0_s3

Rhizomal leaves pinnately 5 or 7-foliolate, (1.3–) 2.5–6.5 cm, (not fleshy), leaflets petiolulate;

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d0_s4

petiole (0.5–) 1.5–5.5 cm;

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d0_s5

lateral leaflets similar to terminal, blade sometimes smaller;

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d0_s6

terminal leaflet (petiolule 0.15–0.7 cm), blade ovate to elliptic, (0.2–) 0.4–1.2 (–1.5) cm × (1–) 2.5–6 mm, base cuneate to obtuse, margins entire, (apiculate).

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d0_s7

Cauline leaves 1–3, 5 or 7-foliolate, petiolate, leaflets petiolulate or subsessile;

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d0_s8

petiole 0.2–1.5 cm, base not auriculate;

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d0_s9

lateral leaflets similar to terminal;

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d0_s10

terminal leaflet (subsessile or petiolule to 0.2 cm), blade ovate to elliptic, 0.6–1.3 × 0.1–0.7 cm, base cuneate, margins entire.

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d0_s11

Fruiting pedicels erect to ascending, 7–15 (–25) mm.

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d0_s13

Flowers: sepals ovate to oblong, 3–4 × 1.8–2.5 mm, lateral pair slightly saccate basally;

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d0_s14

petals usually white, rarely lavender, broadly obovate, 7–10 × 3–6 mm, (clawed, apex rounded);

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d0_s15

filaments: median pairs 3–4.5 mm, lateral pair 2–3 mm;

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d0_s16

anthers oblong, 1–1.5 mm.

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d0_s17

Fruits linear, 2–3 cm × 1.2–1.7 mm;

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d0_s18

ovules 12–16 per ovary;

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d0_s19

style 1–2 mm.

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d0_s20

Seeds brown, oblong, ca. 1.5 × 1 mm. 2n = 28, 42, 64.

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d0_s21

morphology statement

orientation

erect

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d0_s3

orientation

ascending

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d0_s3

unbranched

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d0_s3

1.5

2

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d0_s3

0.3

1.5

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d0_s3

7-foliolate

pinnately

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d0_s4

1.3

2.5

1 reference

d0_s4

2.5

6.5

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d0_s4

leaf petiole

0.5

1.5

1 reference

d0_s5

leaf petiole

1.5

5.5

1 reference

d0_s5

size

smaller

sometimes

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d0_s6

ovate

elliptic

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d0_s7

atypical length

0.2

0.4

1 reference

d0_s7

atypical length

1.2

1.5

1 reference

d0_s7

0.4

1.2

1 reference

d0_s7

atypical width

1

2.5

1 reference

d0_s7

2.5

6

1 reference

d0_s7

inflorescence phyllaries base

cuneate

obtuse

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d0_s7

inflorescence palea margin

entire

1 reference

d0_s7

1

3

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d0_s8

7-foliolate

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d0_s8

petiolate

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d0_s8

leaf petiole

0.2

1.5

1 reference

d0_s9

inflorescence phyllaries base

auriculate

not

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d0_s9

ovate

elliptic

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d0_s11

0.6

1.3

1 reference

d0_s11

0.1

0.7

1 reference

d0_s11

inflorescence phyllaries base

cuneate

1 reference

d0_s11

inflorescence palea margin

entire

1 reference

d0_s11

ovate

oblong

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d0_s14

3

4

1 reference

d0_s14

1.8

2.5

1 reference

d0_s14

lateral

1 reference

d0_s14

saccate

slightly; basally

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d0_s14

coloration

white

usually

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d0_s15

coloration

odor

lavender

rarely

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d0_s15

obovate

broadly

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d0_s15

7

10

1 reference

d0_s15

3

6

1 reference

d0_s15

median

1 reference

d0_s16

3

4.5

1 reference

d0_s16

lateral

1 reference

d0_s16

2

3

1 reference

d0_s16

inflorescence flower anther

oblong

1 reference

d0_s17

inflorescence flower anther

1

1.5

1 reference

d0_s17

fruit

arrangement

course

linear

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d0_s18

fruit

2

3

1 reference

d0_s18

fruit

1.2

1.7

1 reference

d0_s18

inflorescence flower gynoecium pistil ovule

12

16

1 reference

d0_s19

inflorescence flower gynoecium pistil style

1

2

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d0_s20

coloration

brown

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d0_s21

oblong

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d0_s21

1.5

1 reference

d0_s21

1

1 reference

d0_s21

chromosome

28

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d0_s21

chromosome

42

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d0_s21

chromosome

64

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d0_s21

stem rhizome

cylindrical

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d0_s2

stem rhizome

size

slender

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d0_s2

stem rhizome

diameter

0.7

1.5

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d0_s2

petiolulate

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d0_s4

structure subtype

terminal

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d0_s6

petiolulate

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d0_s8

subsessile

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d0_s8

structure subtype

terminal

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d0_s10

ebracteate

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d0_s13

orientation

erect

ascending

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d0_s13

15

25

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d0_s13

7

15

1 reference