Difference between revisions of "Crataegus scabrida Sargent (Q4357) "

taxon name

Crataegus scabrida

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taxon authority

Sargent

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taxon rank

species

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taxon status

accepted

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common name

rough hawthorn (English)

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aubépine scabre (French)

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Rough hawthorn (English)

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aubépine scabride (English)

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VasCan taxon numeric id

8715

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Crataegus ser. Brainerdianae E.J. Palmer

parent taxon

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taxon habit

shrub

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GBIF taxon key

3014505

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

distribution

CA-NB

N.B.

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CA-NS

N.S.

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CA-ON

Ont.

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CA-QC

Que.

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US-CT

Conn.

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US-ME

Maine

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US-MA

Mass.

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US-MI

Mich.

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US-NH

N.H.

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US-NY

N.Y.

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US-VA

Va.

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US-VT

Vt.

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US-WI

Wis.

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special status

E

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taxon description fragment

Shrubs, 30–50 dm.

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d0_s0

thorns on twigs at 1-year old shiny, dark-brown to nearly black, stout or slender, 4–6 cm.

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d0_s2

Leaves: petiole slender, length 40–60% blade, sparsely pubescent or glabrous, eglandular or sessile-glandular;

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d0_s3

blade short-ovate to ovate, broadly elliptic to narrowly rhombic, or ± trullate, 3–8 cm, base rounded to cuneate, lobes 3–5 per side, margins serrate, veins 5–7 (or 8) per side, apex acute, abaxial surface glabrous, adaxial sparsely to densely appressed-pubescent young, glabrescent.

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d0_s4

Inflorescences 6–10-flowered;

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d0_s5

branches glabrous or villous.

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d0_s6

Flowers 15–18 mm diam.;

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d0_s7

hypanthium glabrous or pubescent;

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d0_s8

sepals narrowly triangular, margins subentire or glandular-serrate;

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d0_s9

stamens 7 or 8 (–10), anthers pink;

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d0_s10

styles 3 or 4.

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d0_s11

Pomes reddish or orange-red, suborbicular, 6–9 mm diam., pruinose, glabrous or slightly pubescent;

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d0_s12

sepals spreading to ± erose;

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d0_s13

pyrenes 2–4, sides often pitted.

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d0_s14

2n = 51.

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d0_s15

morphology statement

whole organism

some measurement

30

50

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d0_s0

whole organism

growth form

shrub

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d0_s0

size

slender

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d0_s3

length

pubescent

40-60%; sparsely

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d0_s3

length

glabrous

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d0_s3

eglandular

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d0_s3

sessile-glandular

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d0_s3

short-ovate

ovate broadly elliptic

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d0_s4

short-ovate

ovate broadly elliptic

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d0_s4

short-ovate

ovate broadly elliptic

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d0_s4

some measurement

3

8

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d0_s4

inflorescence phyllaries base

rounded

cuneate

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d0_s4

inflorescence flower corolla lobe

3

5

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d0_s4

inflorescence palea margin

serrate

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d0_s4

inflorescence flower gynoecium pistil style apex

acute

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d0_s4

inflorescence

6-10-flowered

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d0_s5

inflorescence branch

glabrous

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d0_s6

inflorescence branch

villous

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d0_s6

inflorescence flower

diameter

15

18

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d0_s7

inflorescence flower hypanthium

glabrous

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d0_s8

inflorescence flower hypanthium

pubescent

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d0_s8

inflorescence flower sepal

triangular

narrowly

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d0_s9

inflorescence palea margin

subentire

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d0_s9

inflorescence palea margin

glandular-serrate

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d0_s9

inflorescence flower stamen

7

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d0_s10

inflorescence flower stamen

atypical quantity

8

10

1 reference

d0_s10

inflorescence flower stamen

8

1 reference

d0_s10

inflorescence flower anther

pink

1 reference

d0_s10

inflorescence flower gynoecium pistil style

3

1 reference

d0_s11

inflorescence flower gynoecium pistil style

4

1 reference

d0_s11

inflorescence flower sepal

orientation

spreading

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d0_s13

inflorescence flower sepal

relief

erose

more or less

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d0_s13

fruit pyrene

2

4

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d0_s14

chromosome

51

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d0_s15

dark-brown

nearly black

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d0_s2

size

stout

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d0_s2

size

slender

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d0_s2

some measurement

4

6

1 reference

d0_s2

inflorescence flower petal venation vein

5

7

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d0_s4

reddish

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d0_s12

orange-red

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d0_s12

suborbicular

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d0_s12

diameter

6

9

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d0_s12

coating

pruinose

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d0_s12

glabrous

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d0_s12

pubescent

slightly

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