Potentilla villosula Jurtzev in A. I. Tolmatchew (Q4012)

Flora Commons

accepted id

Potentilla villosula Jurtzev

Potentilla villosula

Jurtzev

FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.

taxon status

accepted

1 reference

taxon name

Potentilla villosula

1 reference

taxon authority

Jurtzev

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

potentille villosuleuse (French)

1 reference

potentille villeuse (French)

1 reference

finely villous cinquefoil (English)

1 reference

VasCan taxon numeric id

8855

1 reference

distribution

CA-AB

present

native

1 reference

Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.

CA-BC

present

native

1 reference

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-NT

present

native

1 reference

Vascular Plant Herbarium (DAO), Agriculture and Agri-Food Canada, Ottawa, ON. http://res2.agr.ca/ecorc/dao/index_e.htm

CA-YT

present

native

1 reference

Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

CA-YT

Yukon

1 reference

US-AK

Alaska

1 reference

e Asia (Russian Far East)

1 reference

Potentilla sect. Niveae (Rydberg) A. Nelson in J. M. Coulter and A. Nelson

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

5368404

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering late spring to summer.

1 reference

taxon habitat

rocky alpine heaths

1 reference

outcrops

1 reference

scree

1 reference

talus

1 reference

gravel outwash plains

1 reference

dry tundra

1 reference

coastal bluffs

1 reference

sand dunes

1 reference

acidic bedrock

1 reference

elevation

0–2900 m

1 reference

taxon description fragment

Plants densely tufted.

1 reference

d0_s0

Caudex branches stout, sometimes ± columnar, not sheathed with marcescent whole leaves.

1 reference

d0_s1

Stems ascending to erect, 0.2–1.5 (–2) dm, lengths 1.5–3 (–4) times basal leaves.

1 reference

d0_s2

Basal leaves 1–5.5 (–7) cm;

1 reference

d0_s3

petiole 0.5–3.5 (–5) cm, long hairs common to dense, ascending to spreading, loosely appressed, sometimes retrorse, 1–2 (–3) mm, soft, smooth, crisped/short-cottony hairs usually sparse, sometimes common, glands absent or sparse to common or obscured;

1 reference

d0_s4

leaflets overlapping, central broadly obovate to obtriangular, 0.8–2.5 × 0.6–2 cm, sessile to subsessile, base broadly cuneate, margins revolute, distal 1/2–2/3 (–3/4) incised ± 1/2 to midvein, teeth 2–3 (–4) per side, ± approximate to ± distant, surfaces ± dissimilar, abaxial grayish to white or yellowish white, long hairs 1.5–2.5 mm, cottony-crisped hairs ± dense, adaxial grayish green, long hairs abundant to dense, crisped hairs absent, sparse, or obscured.

1 reference

d0_s5

Cauline leaves (0–) 1–2 (–3).

1 reference

d0_s6

Inflorescences (1–) 2–3 (–4) -flowered.

1 reference

d0_s7

Pedicels 0.5–3 (–5) cm in flower, to 4 (–6) cm in fruit.

1 reference

d0_s8

Flowers: epicalyx bractlets broadly lanceolate to narrowly ovate, 3–7 (–8) × 1.5–3 (–3.5) mm, 2/3 to as wide as sepals, margins ± revolute, red-glands absent;

1 reference

d0_s9

hypanthium (3–) 4–6 mm diam.;

1 reference

d0_s10

sepals 4–7 (–8) mm, apex acute or rarely acuminate;

1 reference

d0_s11

petals 5–10 × 6–12 mm, significantly longer than sepals;

1 reference

d0_s12

filaments 1.1–1.4 mm, anthers 0.5–0.8 mm;

1 reference

d0_s13

carpels 40–70, apical hairs absent or sparse (straight), styles narrowly columnar to conic-tapered, papillate-swollen in proximal 1/5 or less, 1–1.2 mm.

1 reference

d0_s14

Achenes 0.9–2 mm. 2n = 28 (Russian Far East).

1 reference

d0_s15

morphology statement

whole organism

arrangement

pubescence

tufted

densely

1 reference

d0_s0

whole organism

growth form

plant

1 reference

d0_s0

inflorescence branch

fragility

stout

1 reference

d0_s1

inflorescence branch

columnar

sometimes more or less

1 reference

d0_s1

inflorescence branch

sheathed

not

1 reference

d0_s1

condition

marcescent

1 reference

d0_s1

ascending

erect

1 reference

d0_s2

1.5

2

1 reference

d0_s2

0.2

1.5

1 reference

d0_s2

1.5-3(-4) times basal leaves

1 reference

d0_s2

5.5

7

1 reference

d0_s3

1

5.5

1 reference

d0_s3

leaf petiole

3.5

5

1 reference

d0_s4

leaf petiole

0.5

3.5

1 reference

d0_s4

gland

sparse

common

1 reference

d0_s4

gland

prominence

obscured

1 reference

d0_s4

inflorescence phyllaries base

cuneate

broadly

1 reference

d0_s5

vernation

revolute

1 reference

d0_s5

position

distal

1 reference

d0_s5

1/2

2/3-3/4

1 reference

d0_s5

incised

more or less

1 reference

d0_s5

1/2

1 reference

d0_s5

atypical quantity

0

1

1 reference

d0_s6

atypical quantity

2

3

1 reference

d0_s6

1

2

1 reference

d0_s6

inflorescence

(1-)2-3(-4)-flowered

1 reference

d0_s7

3

5

1 reference

d0_s8

0.5

3

1 reference

d0_s8

4

6

1 reference

d0_s8

0

4

1 reference

d0_s8

broadly lanceolate

narrowly ovate

1 reference

d0_s9

atypical length

7

8

1 reference

d0_s9

3

7

1 reference

d0_s9

atypical width

3

3.5

1 reference

d0_s9

width

1.5

3

1 reference

d0_s9

2/3

1 reference

d0_s9

vernation

revolute

more or less

1 reference

d0_s9

inflorescence flower hypanthium

diameter

3

4

1 reference

d0_s10

inflorescence flower hypanthium

diameter

4

6

1 reference

d0_s10

inflorescence flower sepal

7

8

1 reference

d0_s11

inflorescence flower sepal

4

7

1 reference

d0_s11

inflorescence flower gynoecium pistil style apex

acute

1 reference

d0_s11

inflorescence flower gynoecium pistil style apex

acuminate

rarely

1 reference

d0_s11

inflorescence flower petal

5

10

1 reference

d0_s12

inflorescence flower petal

width

6

12

1 reference

d0_s12

inflorescence flower petal

significantly longer

1 reference

d0_s12

inflorescence flower androecium stamens filament

1.1

1.4

1 reference

d0_s13

inflorescence flower anther

0.5

0.8

1 reference

d0_s13

inflorescence flower gynoecium pistil style

narrowly columnar

conic-tapered

1 reference

d0_s14

inflorescence flower gynoecium pistil style

papillate-swollen

1 reference

d0_s14

inflorescence flower gynoecium pistil style

1

1.2

1 reference

d0_s14

chromosome

28

1 reference

d0_s15

long

1 reference

d0_s4

common

1 reference

d0_s4

dense

1 reference

d0_s4

ascending

spreading

1 reference

d0_s4

fixation

appressed

loosely

1 reference

d0_s4

retrorse

sometimes

1 reference

d0_s4

2

3

1 reference

d0_s4

1

2

1 reference

d0_s4

pubescence

texture

soft

1 reference

d0_s4

pubescence

relief

smooth

1 reference

d0_s4

count

sparse

usually

1 reference

d0_s4

common

sometimes

1 reference

d0_s4

arrangement

overlapping

1 reference

d0_s5

broadly obovate

obtriangular

1 reference

d0_s5

0.8

2.5

1 reference

d0_s5

width

0.6

2

1 reference

d0_s5

sessile

subsessile

1 reference

d0_s5

coloration

grayish

white or yellowish white

1 reference

d0_s5

long

1 reference

d0_s5

1.5

2.5

1 reference

d0_s5

cottony-crisped

1 reference

d0_s5

dense

more or less

1 reference

d0_s5

coloration

grayish green

1 reference

d0_s5

long

1 reference

d0_s5

abundant

1 reference

d0_s5

dense

1 reference

d0_s5

crisped

1 reference

d0_s5

presence

absent

1 reference

d0_s5

count

sparse

1 reference

d0_s5

prominence

obscured

1 reference

d0_s5

inflorescence flower gynoecium pistil carpel

40

70

1 reference

d0_s14

presence

absent

1 reference

d0_s14

sparse

1 reference

d0_s14

fruit achene

0.9

2

1 reference