Difference between revisions of "Crataegus macrosperma Ashe (Q4278) "

taxon name

Crataegus macrosperma

1 reference

taxon authority

Ashe

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

aubépine à lobes aigus (French)

1 reference

big-fruited hawthorn (English)

1 reference

variable hawthorn (English)

1 reference

early thorn (English)

1 reference

Eastern hawthorn (English)

1 reference

aubépine à lobes aigus (English)

1 reference

VasCan taxon numeric id

8695

1 reference

distribution

CA-NB

present

native

1 reference

Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.

Newfoundland, CA

present

native

1 reference

Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm

CA-NS

present

native

1 reference

Roland, A.E. & E.C. Smith. 1969. The Flora of Nova Scotia. Nova Scotia Museum, Halifax, N.S. [Reprinted from Proc. N.S. Inst. Sci. 26]

CA-ON

present

native

1 reference

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

present

native

1 reference

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

N.B.

1 reference

CA-NL

Nfld. and Labr. (Nfld.)

1 reference

CA-NS

N.S.

1 reference

CA-ON

Ont.

1 reference

CA-PE

P.E.I.

1 reference

CA-QC

Que.

1 reference

US-AL

Ala.

1 reference

US-AR

Ark.

1 reference

US-CT

Conn.

1 reference

US-IL

Ill.

1 reference

US-IN

Ind.

1 reference

US-KY

Ky.

1 reference

US-ME

Maine

1 reference

US-MD

Md.

1 reference

US-MA

Mass.

1 reference

US-MI

Mich.

1 reference

US-MN

Minn.

1 reference

US-NH

N.H.

1 reference

US-NJ

N.J.

1 reference

US-NY

N.Y.

1 reference

US-NC

N.C.

1 reference

US-OH

Ohio

1 reference

US-PA

Pa.

1 reference

US-RI

R.I.

1 reference

US-TN

Tenn.

1 reference

US-VT

Vt.

1 reference

US-VA

Va.

1 reference

US-WV

W.Va.

1 reference

US-WI

Wis.

1 reference

Crataegus ser. Tenuifoliae (Sargent) Rehder

parent taxon

1 reference

taxon habit

shrub

1 reference

GBIF taxon key

3014896

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

LC

1 reference

Global Biodiversity Information Facility

phenology

Flowering Apr–Jun; fruiting Sep–Nov.

1 reference

taxon habitat

old fields

1 reference

fencerows

1 reference

brush

1 reference

open woods

1 reference

montane balds

1 reference

rocky slopes

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elevation

0–1600 m

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special status

E

1 reference

taxon description fragment

Shrubs or trees, multistemmed, 30–70 dm.

1 reference

d0_s0

thorns on twigs 1-year old shiny, deep brown to blackish, often black-tipped, stout to slender, 2.5–6 cm.

1 reference

d0_s2

Leaves: petiole length 30–60% blade, sparsely to densely glandular;

1 reference

d0_s3

blade ovate, 3–6 (–9) cm, 70–100% mature size at anthesis, base subcordate, truncate, or rounded to cuneate, lobes 3–6 per side, sinuses moderately deep, lobe apex acute to acuminate, margins serrate, teeth numerous, small, larger ones conspicuously glandular, particularly at base, smaller ones inconspicuously gland-tipped, veins 4–7 per side, apex acute, adaxial surface densely appressed-scabrous-pubescent young, glabrescent, rarely glabrate.

1 reference

d0_s4

Inflorescences 5–12-flowered;

1 reference

d0_s5

branches glabrous;

1 reference

d0_s6

bracteoles usually absent (even young), sometimes few to several, often red-tinged, ± linear.

1 reference

d0_s7

Flowers 13–17 (–22) mm diam.;

1 reference

d0_s8

hypanthium glabrous;

1 reference

d0_s9

sepals 4–5 mm, margins subentire, abaxially glabrous;

1 reference

d0_s10

stamens 5–10, anthers pink to reddish purple;

1 reference

d0_s11

styles 3–5.

1 reference

d0_s12

Pomes bright to deep red, suborbicular to ellipsoid, 8–15 mm diam.;

1 reference

d0_s13

sepals erect-patent or erose;

1 reference

d0_s14

2n = 68.

1 reference

d0_s16

morphology statement

multistemmed

1 reference

d0_s0

30

70

1 reference

d0_s0

shrub

1 reference

d0_s0

multistemmed

1 reference

d0_s0

30

70

1 reference

d0_s0

tree

1 reference

d0_s0

leaf petiole

length

glandular

30-60%; sparsely to densely

1 reference

d0_s3

ovate

1 reference

d0_s4

atypical some measurement

6

9

1 reference

d0_s4

3

6

1 reference

d0_s4

size

mature

70-100%

1 reference

d0_s4

subcordate

1 reference

d0_s4

rounded

cuneate

1 reference

d0_s4

rounded

cuneate

1 reference

d0_s4

inflorescence flower corolla lobe

3

6

1 reference

d0_s4

inflorescence flower gynoecium pistil style apex

acute

acuminate

1 reference

d0_s4

inflorescence palea margin

serrate

1 reference

d0_s4

size

smaller

1 reference

d0_s4

inflorescence flower gynoecium pistil style apex

acute

1 reference

d0_s4

inflorescence

5-12-flowered

1 reference

d0_s5

inflorescence branch

pubescence

glabrous

1 reference

d0_s6

presence

absent

usually

1 reference

d0_s7

few

several

1 reference

d0_s7

red-tinged

often

1 reference

d0_s7

arrangement

course

linear

more or less

1 reference

d0_s7

inflorescence flower

diameter

17

22

1 reference

d0_s8

inflorescence flower

diameter

13

17

1 reference

d0_s8

inflorescence flower hypanthium

pubescence

glabrous

1 reference

d0_s9

inflorescence flower sepal

4

5

1 reference

d0_s10

inflorescence palea margin

subentire

1 reference

d0_s10

inflorescence palea margin

pubescence

glabrous

abaxially

1 reference

d0_s10

inflorescence flower stamen

5

10

1 reference

d0_s11

inflorescence flower anther

pink

reddish purple

1 reference

d0_s11

inflorescence flower gynoecium pistil style

3

5

1 reference

d0_s12

inflorescence flower sepal

orientation

erect-patent

1 reference

d0_s14

inflorescence flower sepal

relief

erose

1 reference

d0_s14

fruit pyrene

3

5

1 reference

d0_s16

fruit pyrene

grooved

dorsally shallowly

1 reference

d0_s16

chromosome

68

1 reference

d0_s16

reflectance

shiny

1 reference

d0_s2

deep

1 reference

d0_s2

brown

blackish

1 reference

d0_s2

black-tipped

often

1 reference

d0_s2

size

stout

slender

1 reference

d0_s2

2.5

6

1 reference

d0_s2

stem twig

life cycle

old

1 reference

d0_s2

inflorescence flower petal venation vein

4

7

1 reference

d0_s4

reflectance

bright

1 reference

d0_s13

depth

deep

1 reference

d0_s13

red

1 reference

d0_s13

suborbicular

ellipsoid

1 reference

d0_s13

diameter

8

15

1 reference