Difference between revisions of "Crataegus macracantha Loddiges ex Loudon (Q4348) "

taxon name

Crataegus macracantha

1 reference

taxon authority

Loddiges ex Loudon

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taxon rank

species

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taxon status

accepted

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common name

aubépine occidentale (French)

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aubépine à sépales entiers (French)

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long-spined hawthorn (English)

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large-thorned hawthorn (English)

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western long-thorned hawthorn (English)

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aubépine à épines longues (French)

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Large-thorn hawthorn (English)

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aubépine á épines longues (English)

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VasCan taxon numeric id

8693

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distribution

CA-BC

present

native

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CA-AB

present

native

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CA-SK

present

native

1 reference

CA-MB

present

native

1 reference

CA-ON

present

native

1 reference

publication

Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/

CA-QC

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-NB

present

native

1 reference

CA-AB

Alta.

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CA-BC

B.C.

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CA-MB

Man.

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CA-NB

N.B.

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CA-ON

Ont.

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CA-QC

Que.

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CA-SK

Sask.

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US-AZ

Ariz.

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US-CO

Colo.

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US-CT

Conn.

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US-IL

Ill.

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US-IN

Ind.

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US-IA

Iowa

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US-KS

Kans.

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US-MD

Md.

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US-MA

Mass.

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US-MI

Mich.

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US-MN

Minn.

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US-MO

Mo.

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US-MT

Mont.

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US-NE

Nebr.

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US-NH

N.H.

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US-NM

N.Mex.

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US-NY

N.Y.

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US-ND

N.Dak.

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US-OH

Ohio

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US-OR

Oreg.

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US-PA

Pa.

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US-RI

R.I.

1 reference

US-SD

S.Dak.

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US-UT

Utah

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US-VT

Vt.

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US-VA

Va.

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US-WA

Wash.

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US-WV

W.Va.

1 reference

US-WI

Wis.

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US-WY

Wyo.

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Crataegus ser. Macracanthae (Loudon) Rehder

parent taxon

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taxon habit

shrub

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GBIF taxon key

7666906

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Apr–Jun; fruiting Sep–Oct.

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taxon habitat

brush

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elevation

20–1600 m

measurement range from

20 meter

measurement range to

1,600 meter

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special status

E

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F

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taxon description fragment

Shrubs, 40–60 (–80) dm.

1 reference

d0_s0

Stems: older trunks usually bearing compound thorns;

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d0_s1

thorns on twigs usually numerous, recurved, shiny, dark blackish brown, older gray, stout, 3–7 (–11) cm.

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d0_s3

Leaves: petiole 1–2 cm, narrowly winged distally, glabrous, eglandular, rarely glandular (on distal wing);

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d0_s4

blade narrowly rhombic-elliptic to broadly rhombic-ovate (sometimes narrowly obovate), 4–7 (–10) cm widest near middle, subcoriaceous mature (then often blue-green), base cuneate (constricted into winged distal part of petioles), lobes 3–5 per side, sinuses obscure to well-marked, LII 5–15%, lobe apex usually obtuse, margins serrate except near bases, veins 6–8 per side, impressed, apex acute to obtuse, abaxial surface glabrous (except in var. pertomentosa), adaxial scabrous-pubescent young.

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d0_s5

Inflorescences 15–30-flowered;

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d0_s6

branches pubescent or glabrous;

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d0_s7

bracteoles ± pallid, linear, margins glandular, sometimes long-stipitate-glandular.

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d0_s8

Flowers 13–19 mm diam.;

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d0_s9

hypanthium glabrous or sparsely to densely pubescent;

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d0_s10

sepals narrowly triangular, 4–6 mm, margins glandular-serrate to glandular-laciniate, abaxial pubescence not recorded, adaxially glabrous;

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d0_s11

stamens 10, anthers white or pink, 0.9–1.2 mm;

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d0_s12

styles 2 or 3.

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d0_s13

Pomes: brilliant scarlet (west) to full crimson (east), suborbicular, 7–12 mm diam., succulent mature, glabrous or pubescent;

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d0_s14

sepals spreading-reflexed;

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d0_s15

pyrenes 2 or 3, sides pitted.

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d0_s16

2n = 68.

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d0_s17

morphology statement

whole organism

atypical some measurement

60

80

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d0_s0

whole organism

40

60

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d0_s0

whole organism

growth form

shrub

1 reference

d0_s0

1

2

1 reference

d0_s4

winged

narrowly; distally

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d0_s4

glabrous

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d0_s4

eglandular

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d0_s4

function

glandular

rarely

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d0_s4

narrowly rhombic-elliptic

broadly rhombic-ovate

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d0_s5

atypical some measurement

7

10

1 reference

d0_s5

4

7

1 reference

d0_s5

width

widest

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d0_s5

texture

subcoriaceous

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d0_s5

mature

1 reference

d0_s5

inflorescence phyllaries base

cuneate

1 reference

d0_s5

inflorescence flower corolla lobe

3

5

1 reference

d0_s5

inflorescence flower gynoecium pistil style apex

obtuse

5-15%; usually

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d0_s5

serrate

1 reference

d0_s5

inflorescence flower gynoecium pistil style apex

acute

obtuse

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d0_s5

leaf

scabrous-pubescent

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d0_s5

leaf

young

1 reference

d0_s5

inflorescence

15-30-flowered

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d0_s6

inflorescence branch

pubescent

1 reference

d0_s7

inflorescence branch

glabrous

1 reference

d0_s7

inflorescence bracteole

pallid

more or less

1 reference

d0_s8

inflorescence bracteole

arrangement

course

linear

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d0_s8

function

glandular

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d0_s8

long-stipitate-glandular

sometimes

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d0_s8

inflorescence flower

diameter

13

19

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d0_s9

inflorescence flower hypanthium

glabrous or

sparsely densely pubescent

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d0_s10

inflorescence flower sepal

triangular

narrowly

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d0_s11

inflorescence flower sepal

4

6

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d0_s11

glandular-serrate

glandular-laciniate

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d0_s11

glabrous

adaxially

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d0_s11

inflorescence flower stamen

10

1 reference

d0_s12

inflorescence flower anther

white

1 reference

d0_s12

inflorescence flower anther

pink

1 reference

d0_s12

inflorescence flower anther

0.9

1.2

1 reference

d0_s12

inflorescence flower gynoecium pistil style

2

1 reference

d0_s13

inflorescence flower gynoecium pistil style

3

1 reference

d0_s13

inflorescence flower sepal

orientation

spreading-reflexed

1 reference

d0_s15

fruit pyrene

2

1 reference

d0_s16

fruit pyrene

3

1 reference

d0_s16

chromosome

68

1 reference

d0_s17

stem trunk

older

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d0_s1

compound

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d0_s1

orientation

recurved

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d0_s3

reflectance

shiny

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d0_s3

dark blackish

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d0_s3

brown

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d0_s3

older

1 reference

d0_s3

gray

1 reference

d0_s3

fragility

size

stout

1 reference

d0_s3

atypical some measurement

7

11

1 reference

d0_s3

3

7

1 reference

d0_s3

stem twig

numerous

usually

1 reference

d0_s3

inflorescence flower petal venation vein

6

8

1 reference

d0_s5

inflorescence flower petal venation vein

prominence

impressed

1 reference

d0_s5

brilliant

1 reference

d0_s14

scarlet

full crimson

1 reference

d0_s14

suborbicular

1 reference

d0_s14

diameter

7

12

1 reference

d0_s14

texture

succulent

1 reference

d0_s14

mature

1 reference

d0_s14

glabrous

1 reference

d0_s14

pubescent

1 reference