Difference between revisions of "Crataegus persimilis Sargent (Q4328) "

taxon name

Crataegus persimilis

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

plum-leaved hawthorn (English)

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aubépine à feuilles de prunier (French)

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Plumleaf hawthorn (English)

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VasCan taxon numeric id

8725

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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-ON

Ont.

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US-KY

Ky.

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US-NY

N.Y.

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US-OH

Ohio

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US-VA

Va.

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US-WI

Wis.

1 reference

Crataegus ser. Crus-galli (Loudon) Rehder

parent taxon

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taxon habit

shrub

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GBIF taxon key

3015457

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering May; fruiting Sep–Oct.

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taxon habitat

brush

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open woods

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rocky pastures

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elevation

20–100 m

measurement range from

20 meter

measurement range to

100 meter

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special status

E

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taxon description fragment

Shrubs or trees, 50–60 dm.

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d0_s0

thorns on twigs straight to ± recurved, 2-years old shiny blackish purple, slender to moderately stout, 4–7 cm.

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d0_s2

Leaves deciduous;

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d0_s3

petiole length 20–30% blade, glabrous;

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d0_s4

blade ± narrowly obovate to broadly elliptic or rhombic-elliptic, 4–5 cm, coriaceous, base cuneate, lobes 0, or 3 or 4 per side, sinuses very shallow, lobe apex acute, margins sharply serrate, teeth 1–2 mm, venation craspedodromous, veins 7 per side, apex broadly acute, glossy, surfaces glabrate or glabrous, adaxial midvein hairy young.

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d0_s5

Inflorescences 8–18-flowered;

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d0_s6

branches punctate, sparsely to densely pubescent;

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d0_s7

bracteoles caducous, linear, membranous, margins glandular.

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d0_s8

Flowers 12–17 mm diam.;

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d0_s9

hypanthium glabrous or villous at base;

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d0_s10

sepals narrowly triangular, 4–5 mm, margins deeply glandular-serrate, adaxial surface glabrous;

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d0_s11

stamens 10–15 (–20), anthers cream or pink;

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d0_s12

styles (1 or) 2 (or 3).

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d0_s13

Pomes bright scarlet, glossy, suborbicular to ± ellipsoid, 10 mm diam., glabrous;

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d0_s14

sepals patent;

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d0_s16

pyrenes (1 or) 2 (or 3), dorsally grooved, sides plane to deeply excavated.

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d0_s17

morphology statement

50

60

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d0_s0

growth form

shrub

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d0_s0

50

60

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d0_s0

growth form

tree

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d0_s0

leaf

duration

deciduous

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d0_s3

leaf petiole

length

glabrous

20-30%

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d0_s4

obovate

more or less narrowly

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d0_s5

arrangement

elliptic

broadly

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d0_s5

arrangement

rhombic-elliptic

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d0_s5

4

5

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d0_s5

texture

coriaceous

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d0_s5

inflorescence phyllaries base

cuneate

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d0_s5

inflorescence flower corolla lobe

presence

absent

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d0_s5

inflorescence flower corolla lobe

3

1 reference

d0_s5

inflorescence flower corolla lobe

4

1 reference

d0_s5

inflorescence flower gynoecium pistil style apex

acute

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d0_s5

inflorescence palea margin

serrate

sharply

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d0_s5

inflorescence flower gynoecium pistil style apex

acute

broadly

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d0_s5

inflorescence flower gynoecium pistil style apex

reflectance

glossy

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d0_s5

inflorescence

8-18-flowered

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d0_s6

inflorescence branch

relief

punctate

1 reference

d0_s7

inflorescence branch

pubescent

sparsely to densely

1 reference

d0_s7

inflorescence bracteole

duration

caducous

1 reference

d0_s8

inflorescence bracteole

arrangement

course

linear

1 reference

d0_s8

inflorescence bracteole

texture

membranous

1 reference

d0_s8

inflorescence palea margin

function

glandular

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d0_s8

inflorescence flower

diameter

12

17

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d0_s9

inflorescence flower hypanthium

glabrous

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d0_s10

inflorescence flower hypanthium

villous

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d0_s10

inflorescence flower sepal

triangular

narrowly

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d0_s11

inflorescence flower sepal

4

5

1 reference

d0_s11

inflorescence palea margin

glandular-serrate

deeply

1 reference

d0_s11

inflorescence flower stamen

atypical quantity

15

20

1 reference

d0_s12

inflorescence flower stamen

10

15

1 reference

d0_s12

inflorescence flower anther

cream

1 reference

d0_s12

inflorescence flower anther

pink

1 reference

d0_s12

inflorescence flower gynoecium pistil style

2

1 reference

d0_s13

inflorescence flower sepal

orientation

patent

1 reference

d0_s16

fruit pyrene

2

1 reference

d0_s17

fruit pyrene

grooved

dorsally

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d0_s17

orientation

recurved

more or less

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d0_s2

life cycle

old

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d0_s2

reflectance

shiny

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d0_s2

blackish purple

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d0_s2

size

slender

moderately stout

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d0_s2

4

7

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d0_s2

stem twig

course

straight

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d0_s2

inflorescence flower petal venation vein

7

1 reference

d0_s5

inflorescence flower petal venation midvein

hairy

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d0_s5

inflorescence flower petal venation midvein

life cycle

young

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d0_s5

bright scarlet

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d0_s14

reflectance

glossy

1 reference

d0_s14

suborbicular

more or less ellipsoid

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d0_s14

diameter

10

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d0_s14

glabrous

1 reference