Smelowskia porsildii (W. H. Drury &amp; Rollins) Jurtsev (Q3769)

taxon name

Smelowskia porsildii

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taxon authority

(W.H. Drury & Rollins) Jurtzev

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taxon rank

species

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taxon status

accepted

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common name

smélowskie de Jurtzev (French)

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Jurtzev's smelowskia (English)

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Porsild's smelowskia (English)

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Porsild's false candytuft (English)

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Siberian smelowskia (English)

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VasCan taxon numeric id

9752

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establishment of distribution

distribution

CA-YT

data format or standard

ISO3166-2

occurrence status

present

native

1 reference

publication

Porsild, A.E. 1974b. Materials for a flora of Central Yukon Territory. National Museums of Natural Sciences, Publications in Botany 4. 77 pp.

US-AK

data format or standard

ISO3166-2

original value

Alaska

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e Asia (Russian Far East)

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Smelowskia C. A. Meyer in C. F. von Ledebour

parent taxon

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taxon habit

herb

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GBIF taxon key

3045531

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Jun–Jul.

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taxon habitat

scree

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dry gravelly slopes

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sandstone shale-scree

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fellfields

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gravel beaches

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benches

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slides

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alpine ridges

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rock crevices

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outcrops

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sedge tundra

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dryas heath meadows

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dry slopes

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tundra slopes

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conglomerate outcrops

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marshes

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sedge meadows

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windswept sandstone ridges

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elevation

0-1700 m

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taxon description fragment

Plants sometimes canescent basally;

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d0_s0

caudex branched.

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d0_s1

Stems: several from base, unbranched, (0.3–) 0.5–1.4 (–2) dm, trichomes simple, 0.3–1 mm, mixed with smaller, dendritic ones, (sometimes simple ones absent).

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d0_s2

Basal leaves: petiole 0.7–3 (–4) cm, often ciliate, trichomes simple;

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d0_s3

blade usually linear to oblanceolate or spatulate, rarely obovate, (0.5–) 0.8–2.2 (–3.5) cm × 0.7–5 (–7) mm, margins usually entire, rarely apically 3 or 5-toothed or lobed, apex obtuse to rounded, (surfaces densely tomentose, grayish, trichomes mostly dendritic, mixed with fewer, simple ones, to 1 mm).

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d0_s4

Cauline leaves shortly petiolate;

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d0_s5

blade similar to basal, smaller distally, margins usually entire, rarely lobed.

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d0_s6

Fruiting pedicels divaricate to ascending, (forming 30–70˚ angle), proximalmost bracteate, 4–12 mm, pubescent, trichomes simple mixed with smaller, dendritic ones.

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d0_s8

Flowers: sepals 2.5–3.5 mm;

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d0_s9

petals white or creamy white, suborbicular to obovate, 4–6 × 2–3 (–4) mm, narrowed to claw, 1–2 (–3) mm, apex rounded;

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d0_s10

anthers oblong, 0.5–0.7 mm.

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d0_s11

Fruits divaricate to ascending, ellipsoid to oblong, subterete or slightly 4-angled, 6–10 × 1.5–2.5 mm, base and apex cuneate;

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d0_s12

valves each with prominent midvein;

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d0_s13

ovules 4–8 per ovary;

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d0_s14

style 0.1–0.5 mm.

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d0_s15

Seeds 1.5–2 × 0.9–1.2 mm. 2n = 12, 22, 24.

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d0_s16

morphology statement

whole organism

pubescence

canescent

sometimes; basally

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d0_s0

whole organism

growth form

plant

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d0_s0

stem caudex

branched

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d0_s1

several

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d0_s2

unbranched

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d0_s2

0.3

0.5

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d0_s2

1.4

2

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d0_s2

0.5

1.4

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d0_s2

simple

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d0_s2

0.3

1

1 reference

d0_s2

arrangement

mixed

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d0_s2

leaf petiole

3

4

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d0_s3

leaf petiole

0.7

3

1 reference

d0_s3

leaf petiole

pubescence

ciliate

often

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d0_s3

simple

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d0_s3

usually linear

oblanceolate or spatulate

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d0_s4

obovate

rarely

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d0_s4

atypical length

0.5

0.8

1 reference

d0_s4

atypical length

2.2

3.5

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d0_s4

0.8

2.2

1 reference

d0_s4

atypical width

5

7

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d0_s4

0.7

5

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d0_s4

entire

usually

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d0_s4

5-toothed

rarely apically

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d0_s4

lobed

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d0_s4

inflorescence flower gynoecium pistil style apex

obtuse

rounded

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d0_s4

leaf

petiolate

shortly

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d0_s5

position

basal

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d0_s6

size

smaller

distally

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d0_s6

entire

usually

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d0_s6

lobed

rarely

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d0_s6

inflorescence

elongated

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d0_s8

simple

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d0_s8

arrangement

mixed

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d0_s8

inflorescence flower sepal

2.5

3.5

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d0_s9

coloration

white

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d0_s10

coloration

creamy white

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d0_s10

suborbicular

obovate

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d0_s10

4

6

1 reference

d0_s10

atypical width

3

4

1 reference

d0_s10

2

3

1 reference

d0_s10

narrowed

1 reference

d0_s10

2

3

1 reference

d0_s10

1

2

1 reference

d0_s10

inflorescence flower gynoecium pistil style apex

rounded

1 reference

d0_s10

inflorescence flower anther

oblong

1 reference

d0_s11

inflorescence flower anther

0.5

0.7

1 reference

d0_s11

arrangement

divaricate

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d0_s12

orientation

ascending

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d0_s12

ellipsoid

oblong subterete or slightly 4-angled

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d0_s12

ellipsoid

oblong subterete or slightly 4-angled

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d0_s12

6

10

1 reference

d0_s12

1.5

2.5

1 reference

d0_s12

inflorescence phyllaries base

cuneate

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d0_s12

inflorescence flower gynoecium pistil style apex

cuneate

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d0_s12

inflorescence flower petal venation

prominence

prominent

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d0_s13

inflorescence flower gynoecium pistil ovule

4

8

1 reference

d0_s14

inflorescence flower gynoecium pistil style

0.1

0.5

1 reference

d0_s15

seed

1.5

2

1 reference

d0_s16

seed

0.9

1.2

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d0_s16

chromosome

12

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d0_s16

chromosome

22

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d0_s16

chromosome

24

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