Difference between revisions of "Crataegus beata Sargent (Q4295) "

taxon name

Crataegus beata

1 reference

taxon authority

Sargent

1 reference

taxon rank

species

1 reference

taxon status

accepted

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common name

aubépine de Dunbar (French)

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Dunbar's hawthorn (English)

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VasCan taxon numeric id

8652

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distribution

CA-ON

establishment of distribution

occurrence status

present

native

1 reference

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-ON

Ont.

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US-MI

Mich.

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US-NY

N.Y.

1 reference

US-OH

Ohio

1 reference

US-WI

Wis.

1 reference

Crataegus ser. Populneae J.B. Phipps

parent taxon

1 reference

taxon habit

shrub

1 reference

GBIF taxon key

3015442

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

LC

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Global Biodiversity Information Facility

phenology

Flowering May; fruiting Sep–Oct.

1 reference

taxon habitat

brush

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elevation

100–300 m

measurement range from

100 meter

measurement range to

300 meter

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special status

E

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taxon description fragment

Shrubs, 60 dm.

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d0_s0

thorns on twigs straight to slightly recurved, 2-years old dark, shiny reddish-brown, stout, 3.5–4.5 cm.

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d0_s2

Leaves: petiole 2.5–4 cm, hairy young, glabrescent, ± densely glandular;

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d0_s3

blade broadly ovate to deltate-ovate, 5–8 cm, subcoriaceous, base broadly rounded to subtruncate, sometimes broadly cuneate, lobes 4 or 5 per side, ± triangular, sinuses not recorded, lobe apex acute to acuminate, margins strongly serrate, veins 5 per side, apex acuminate, surfaces glabrous except adaxial ± appressed-hairy young.

1 reference

d0_s4

Inflorescences 5–12-flowered;

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d0_s5

branches glabrous;

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d0_s6

bracteoles few, margins glandular.

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d0_s7

Flowers 16–18 mm diam.;

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d0_s8

hypanthium glabrous;

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d0_s9

sepals narrowly triangular, margins subentire or slightly glandular, abaxially glabrous;

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d0_s10

stamens 20, anthers deep maroon;

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d0_s11

styles 3 or 4.

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d0_s12

Pomes crimson, oblong to oblong-obovoid, 9–10 mm diam.;

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d0_s13

sepals spreading;

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d0_s14

pyrenes 4 or 5, dorsally grooved.

1 reference

d0_s15

morphology statement

whole organism

60

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d0_s0

whole organism

growth form

shrub

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d0_s0

2.5

4

1 reference

d0_s3

hairy

1 reference

d0_s3

life cycle

young

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d0_s3

glabrescent

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d0_s3

function

glandular

more or less densely

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d0_s3

leaf blade

broadly ovate

deltate-ovate

1 reference

d0_s4

leaf blade

5

8

1 reference

d0_s4

leaf blade

texture

subcoriaceous

1 reference

d0_s4

inflorescence phyllaries base

broadly rounded

subtruncate

1 reference

d0_s4

inflorescence phyllaries base

cuneate

sometimes broadly

1 reference

d0_s4

inflorescence flower corolla lobe

4

1 reference

d0_s4

inflorescence flower corolla lobe

5

1 reference

d0_s4

inflorescence flower corolla lobe

triangular

more or less

1 reference

d0_s4

inflorescence flower gynoecium pistil style apex

acute

acuminate

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d0_s4

serrate

strongly

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d0_s4

inflorescence flower gynoecium pistil style apex

acuminate

1 reference

d0_s4

inflorescence

5-12-flowered

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d0_s5

inflorescence branch

glabrous

1 reference

d0_s6

inflorescence bracteole

few

1 reference

d0_s7

function

glandular

1 reference

d0_s7

inflorescence flower

diameter

16

18

1 reference

d0_s8

inflorescence flower hypanthium

glabrous

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d0_s9

inflorescence flower sepal

triangular

narrowly

1 reference

d0_s10

subentire

1 reference

d0_s10

function

glandular

slightly

1 reference

d0_s10

glabrous

abaxially

1 reference

d0_s10

inflorescence flower stamen

20

1 reference

d0_s11

inflorescence flower anther

depth

deep

1 reference

d0_s11

inflorescence flower anther

maroon

1 reference

d0_s11

inflorescence flower gynoecium pistil style

3

1 reference

d0_s12

inflorescence flower gynoecium pistil style

4

1 reference

d0_s12

inflorescence flower sepal

orientation

spreading

1 reference

d0_s14

fruit pyrene

4

1 reference

d0_s15

fruit pyrene

5

1 reference

d0_s15

fruit pyrene

grooved

dorsally

1 reference

d0_s15

orientation

recurved

slightly

1 reference

d0_s2

life cycle

old

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d0_s2

dark

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d0_s2

reflectance

shiny

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d0_s2

reddish-brown

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d0_s2

fragility

size

stout

1 reference

d0_s2

3.5

4.5

1 reference

d0_s2

stem twig

course

straight

1 reference

d0_s2

inflorescence flower petal venation vein

5

1 reference

d0_s4

fruit pome

crimson

1 reference

d0_s13

fruit pome

oblong

oblong-obovoid

1 reference

d0_s13

fruit pome

diameter

9

10

1 reference