Malus fusca (Rafinesque) C. K. Schneider (Q4385)

taxon name

Malus fusca

1 reference

taxon authority

(Rafinesque) C.K. Schneider

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taxon rank

species

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taxon status

accepted

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common name

pommier du Pacifique (French)

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pommier de l'Oregon (French)

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Pacific crabapple (English)

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Oregon crabapple (English)

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western crabapple (English)

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Oregon or western or Pacific crabapple (English)

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VasCan taxon numeric id

8788

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distribution

CA-BC

establishment of distribution

occurrence status

present

native

1 reference

publication

Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.

CA-BC

B.C.

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US-AK

Alaska

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US-CA

Calif.

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US-OR

Oreg.

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US-WA

Wash.

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parent taxon

Malus Miller

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taxon habit

tree

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shrub

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phenology

Flowering Apr–early Jul; fruiting Jun–Nov.

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taxon habitat

moist

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open places

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forests

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forest edges

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beach edges

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sea cliffs

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swamps

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bogs

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brackish marshes

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clearings

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elevation

0–600 m

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special status

E

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taxon description fragment

Trees, sometimes shrubs, 50–100 (–200) dm.

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d0_s0

Stems (12–) 20–30 (–40) cm diam.;

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d0_s1

bark gray to reddish-brown, smooth when young, scaly and deeply fissured at maturity;

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d0_s2

young branches reddish, puberulent when young, becoming reddish-brown or gray and glabrous;

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d0_s3

lateral flowering shoots becoming spurs, 10–30 (–50) mm.

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d0_s4

Buds redbrown, ovoid, 1.5–4 mm, scale margins ciliate.

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d0_s5

isomorphic;

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d0_s7

stipules deciduous, narrowly lanceolate, 1–5 mm, apex acuminate;

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d0_s8

petiole 10–30 mm, tomentose, glabrescent;

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d0_s9

blade ovate, sometimes oval, elliptic, or lanceolate, 3–9 (–11) × 1–4 cm, base rounded to cuneate, margins unlobed or 3-lobed, serrate to doubly serrate, sometimes serrulate, apex acute or acuminate, abaxial surface glabrous, adaxial puberulent.

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d0_s10

Panicles corymblike;

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d0_s11

peduncles absent;

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d0_s12

bracts absent;

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d0_s13

bracteoles sometimes persistent, filiform, 1–4 mm.

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d0_s14

Pedicels 15–40 mm, villous or glabrous.

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d0_s15

Flowers 15–20 mm diam.;

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d0_s16

hypanthium glabrous or tomentose;

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d0_s17

sepals triangular, 3–6 mm, shorter than tube, apex apiculate, abaxial surface glabrous, adaxial hoary-tomentose;

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d0_s18

petals white, sometimes pink, orbiculate to obovate, (6–) 10–15 mm, claws 1.5–2 mm, margins erose or undulate, apex rounded;

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d0_s19

stamens ca. 20, 4–6 mm, anthers white before dehiscence;

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d0_s20

styles 3 (or 4), connate in proximal 1/3, 6–7 mm, longer than stamens, glabrous.

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d0_s21

Pomes yellow to purplish red, oblong, sometimes ovoid or obovoid, 6–10 (–13) mm diam., cores enclosed at apex;

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d0_s22

sepals deciduous, sometimes tardily;

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d0_s23

2n = 34.

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d0_s26

morphology statement

atypical some measurement

100

200

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d0_s0

50

100

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d0_s0

growth form

tree

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d0_s0

growth form

shrub

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d0_s0

stem

12

20

1 reference

d0_s1

stem

30

40

1 reference

d0_s1

stem

20

30

1 reference

d0_s1

gray

reddish-brown

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d0_s2

relief

smooth

when young

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d0_s2

scaly

1 reference

d0_s2

relief

fissured

deeply

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d0_s2

life cycle

young

1 reference

d0_s3

reddish

1 reference

d0_s3

puberulent

when young

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d0_s3

reddish-brown

becoming

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d0_s3

gray

1 reference

d0_s3

glabrous

1 reference

d0_s3

bud

redbrown

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d0_s5

bud

ovoid

1 reference

d0_s5

bud

1.5

4

1 reference

d0_s5

ciliate

1 reference

d0_s5

leaf

arrangement

vernation

conduplicate

1 reference

d0_s7

leaf

variability

isomorphic

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d0_s7

acuminate

1 reference

d0_s8

leaf petiole

10

30

1 reference

d0_s9

leaf petiole

tomentose

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d0_s9

leaf petiole

glabrescent

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d0_s9

ovate

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d0_s10

oval

sometimes

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d0_s10

elliptic

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d0_s10

lanceolate

1 reference

d0_s10

elliptic

1 reference

d0_s10

lanceolate

1 reference

d0_s10

atypical length

9

11

1 reference

d0_s10

length

3

9

1 reference

d0_s10

width

1

4

1 reference

d0_s10

inflorescence phyllaries base

rounded

cuneate

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d0_s10

unlobed

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d0_s10

3-lobed

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d0_s10

serrate

doubly serrate

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d0_s10

serrulate

sometimes

1 reference

d0_s10

acute

1 reference

d0_s10

acuminate

1 reference

d0_s10

inflorescence peduncle

presence

absent

1 reference

d0_s12

inflorescence peduncle bract

presence

absent

1 reference

d0_s13

inflorescence bracteole

duration

persistent

sometimes

1 reference

d0_s14

inflorescence bracteole

filiform

1 reference

d0_s14

inflorescence bracteole

1

4

1 reference

d0_s14

inflorescence pedicel

15

40

1 reference

d0_s15

inflorescence pedicel

villous

1 reference

d0_s15

inflorescence pedicel

glabrous

1 reference

d0_s15

inflorescence flower

15

20

1 reference

d0_s16

inflorescence flower hypanthium

glabrous

1 reference

d0_s17

inflorescence flower hypanthium

tomentose

1 reference

d0_s17

triangular

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d0_s18

3

6

1 reference

d0_s18

height

length

size

shorter

1 reference

d0_s18

apiculate

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d0_s18

white

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d0_s19

pink

sometimes

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d0_s19

orbiculate

obovate

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d0_s19

atypical some measurement

6

10

1 reference

d0_s19

10

15

1 reference

d0_s19

inflorescence flower petal claw

1.5

2

1 reference

d0_s19

relief

erose

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d0_s19

undulate

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d0_s19

rounded

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d0_s19

inflorescence flower stamen

quantity

20

1 reference

d0_s20

inflorescence flower stamen

4

6

1 reference

d0_s20

inflorescence flower anther

dehiscence

white

1 reference

d0_s20

quantity

3

1 reference

d0_s21

fusion

connate

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d0_s21

6

7

1 reference

d0_s21

length

size

longer

1 reference

d0_s21

glabrous

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d0_s21

duration

deciduous

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d0_s23

seed

reddish-brown

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d0_s26

chromosome

quantity

34

1 reference

d0_s26

stem shoot

life cycle

flowering

1 reference

d0_s4

stem shoot

atypical some measurement

30

50

1 reference

d0_s4

stem shoot

10

30

1 reference

d0_s4

leaf stipule

duration

deciduous

1 reference

d0_s8

leaf stipule

lanceolate

narrowly

1 reference

d0_s8

leaf stipule

1

5

1 reference

d0_s8

inflorescence panicle

corymblike

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d0_s11

yellow

purplish red

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d0_s22

oblong

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d0_s22

ovoid

sometimes

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d0_s22

obovoid

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d0_s22

10

13

1 reference

d0_s22

6

10

1 reference