Difference between revisions of "Crataegus suborbiculata Sargent (Q4300) "

taxon name

Crataegus suborbiculata

1 reference

taxon authority

Sargent

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taxon rank

species

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taxon status

accepted

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common name

aubépine suborbiculaire (French)

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Caughuawaga hawthorn (English)

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Caughnawaga hawthorn (English)

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VasCan taxon numeric id

8719

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distribution

CA-ON

establishment of distribution

occurrence status

present

native

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publication

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

establishment of distribution

occurrence status

present

native

1 reference

publication

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-ON

Ont.

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CA-QC

Que.

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US-CT

Conn.

1 reference

US-MI

Mich.

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US-NY

N.Y.

1 reference

Crataegus ser. Pruinosae Sargent ex Rehder

parent taxon

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taxon habit

shrub

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GBIF taxon key

3014833

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering May–Jun; fruiting Sep–Oct.

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taxon habitat

woodland margins

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brush

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elevation

50–300 m

measurement range from

50 meter

measurement range to

300 meter

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special status

C

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E

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taxon description fragment

Shrubs or trees, 80 dm.

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d0_s0

thorns on twigs straight, 2-years old blackish, usually shiny, ± slender, 2.5–4.5 cm.

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d0_s2

Leaves: petiole length 50–100% blade, eglandular or with 1–2 (–3) glands;

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d0_s3

blade broadly elliptic or rhombic to suborbiculate, 4–6 cm, thin, base cuneate to broadly cuneate, lobes 3 or 4 per side, sinuses shallow, lobe apex acute, margins serrate, eglandular, veins 5 or 6 per side, apex acute to obtuse, surfaces glabrous, adaxial sparsely hairy young.

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d0_s4

Inflorescences 5–10-flowered;

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d0_s5

branches glabrous;

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d0_s6

bracteoles sometimes absent, margins glandular.

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d0_s7

Flowers 20–24 mm diam.;

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d0_s8

sepals narrowly triangular, 5–6 mm, margins subentire, abaxially glabrous;

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d0_s9

stamens 20, anthers cream, pink, or red, 0.7 mm;

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d0_s10

styles 4.

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d0_s11

Pomes pink mauve, ripening to orange-red or purplish, 10–14 mm diam., pruinose at first;

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d0_s12

sepals not on collar, spreading;

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d0_s13

pyrenes 3 or 4.2n = 68.

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d0_s14

morphology statement

80

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d0_s0

growth form

shrub

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d0_s0

80

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d0_s0

growth form

tree

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d0_s0

leaf petiole

length

with 1-2(-3) glands

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d0_s3

length

eglandular

50-100%

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d0_s3

gland

atypical quantity

2

3

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d0_s3

gland

1

2

1 reference

d0_s3

rhombic

suborbiculate

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d0_s4

4

6

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d0_s4

width

thin

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d0_s4

inflorescence phyllaries base

cuneate

broadly cuneate

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d0_s4

inflorescence flower corolla lobe

3

1 reference

d0_s4

inflorescence flower corolla lobe

4

1 reference

d0_s4

inflorescence flower gynoecium pistil style apex

acute

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d0_s4

serrate

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d0_s4

eglandular

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d0_s4

inflorescence flower gynoecium pistil style apex

acute

obtuse

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d0_s4

inflorescence

5-10-flowered

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d0_s5

inflorescence branch

pubescence

glabrous

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d0_s6

inflorescence bracteole

presence

absent

sometimes

1 reference

d0_s7

function

pubescence

glandular

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d0_s7

inflorescence flower

diameter

20

24

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d0_s8

inflorescence flower sepal

triangular

narrowly

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d0_s9

inflorescence flower sepal

5

6

1 reference

d0_s9

subentire

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d0_s9

pubescence

glabrous

abaxially

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d0_s9

inflorescence flower stamen

20

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d0_s10

cream

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d0_s10

pink

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d0_s10

red

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d0_s10

pink

1 reference

d0_s10

red

1 reference

d0_s10

0.7

1 reference

d0_s10

inflorescence flower gynoecium pistil style

4

1 reference

d0_s11

inflorescence flower sepal

orientation

spreading

1 reference

d0_s13

fruit pyrene

3

1 reference

d0_s14

fruit pyrene

4

1 reference

d0_s14

chromosome

68

1 reference

d0_s14

life cycle

old

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d0_s2

blackish

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d0_s2

reflectance

shiny

usually

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d0_s2

size

slender

more or less

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d0_s2

2.5

4.5

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d0_s2

stem twig

course

straight

1 reference

d0_s2

inflorescence flower petal venation vein

5

1 reference

d0_s4

inflorescence flower petal venation vein

6

1 reference

d0_s4

pink mauve

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d0_s12

life cycle

ripening

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d0_s12

orange-red

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d0_s12

purplish

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d0_s12

diameter

10

14

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d0_s12

coating

pruinose

1 reference