Difference between revisions of "Arctanthemum arcticum (Linnaeus) Tzvelev in A. I. Tolmatchew (Q2091) "

Flora Commons

accepted id

Arctanthemum arcticum (Linnaeus) Tzvelev

taxon name

Arctanthemum arcticum

(Linnaeus) Tzvelev

FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.

taxon status

accepted

1 reference

taxon name

Arctanthemum arcticum

1 reference

taxon authority

(Linnaeus) Tzvelev

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

arctic daisy (English)

1 reference

chrysanthème arctique (French)

1 reference

VasCan taxon numeric id

2845

1 reference

Arctanthemum (Tzvelev) Tzvelev

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3095283

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

LC

1 reference

Global Biodiversity Information Facility

distribution

CA-BC

B.C.

1 reference

CA-MB

Man.

1 reference

CA-NT

N.W.T.

1 reference

CA-NU

Nunavut

1 reference

CA-ON

Ont.

1 reference

CA-QC

Que.

1 reference

CA-YT

Yukon

1 reference

US-AK

Alaska

1 reference

Coastal Alaska and low-arctic Canada

1 reference

arctic Eurasia

1 reference

ne Asia (s to Japan)

1 reference

special status

F

1 reference

taxon description fragment

Perennials, forming tufts of 1–10+ rosettes;

1 reference

d0_s0

rhizomes at or below-ground, fleshy, tough, branched;

1 reference

d0_s1

taproots (young plants) 3–6 (–10) mm diam.

1 reference

d0_s2

Stems glabrous or sparsely woolly proximally to ± densely white-woolly near heads.

1 reference

d0_s3

Leaves sometimes glaucous;

1 reference

d0_s4

petioles 0–95 mm;

1 reference

d0_s5

bases cuneate to truncate, sheathing to clasping (distal), margins revolute, teeth obtuse to rounded, sometimes mucronulate, faces glabrous or sparsely woolly, glabrescent;

1 reference

d0_s6

basal and proximal cauline blades ± fan-shaped to cuneate or spatulate, 6–50 × 4–35 mm, lobes usually 3–7, apices blunt;

1 reference

d0_s7

distal blades linear, 4–35 × 1–28 (–40) mm, bases attenuate, margins crenate, dentate, or entire, apices acute or obtuse;

1 reference

d0_s8

faces ± woolly, glabrescent.

1 reference

d0_s9

Peduncles usually bracteate, bracts 0–4, linear-lanceolate to linear, 6–19 mm.

1 reference

d0_s10

Ray laminae 8–12 mm.

1 reference

d0_s11

Disc corollas: tubes greenish yellow, (1.1–) 1.4–2 mm, throats and lobes yellow turning brownish, throats 0.7–1 mm, sometimes very sparsely glandular, lobes (0.25–) 0.4–0.6 mm.

1 reference

d0_s12

Cypselae 1.5–2.5 mm. 2n = 18 (72?).

1 reference

d0_s13

morphology statement

general structure

1

10

1 reference

d0_s0

location

below-ground

1 reference

d0_s1

texture

fleshy

1 reference

d0_s1

fragility

tough

1 reference

d0_s1

branched

1 reference

d0_s1

root

diameter

6

10

1 reference

d0_s2

root

diameter

3

6

1 reference

d0_s2

sparsely woolly

proximally more or less densely white-woolly

1 reference

d0_s3

leaf

glaucous

sometimes

1 reference

d0_s4

leaf petiole

0

95

1 reference

d0_s5

inflorescence phyllaries base

glabrescent

1 reference

d0_s6

cuneate to truncate

1 reference

d0_s6

sheathing

clasping

1 reference

d0_s6

vernation

revolute

1 reference

d0_s6

obtuse

rounded

1 reference

d0_s6

mucronulate

sometimes

1 reference

d0_s6

glabrous

1 reference

d0_s6

woolly

sparsely

1 reference

d0_s6

cuneate to truncate

1 reference

d0_s6

sheathing

clasping

1 reference

d0_s6

vernation

revolute

1 reference

d0_s6

obtuse

rounded

1 reference

d0_s6

mucronulate

sometimes

1 reference

d0_s6

glabrous

1 reference

d0_s6

woolly

sparsely

1 reference

d0_s6

less fan-shaped

cuneate or spatulate

1 reference

d0_s7

length

6

50

1 reference

d0_s7

width

4

35

1 reference

d0_s7

3

7

1 reference

d0_s7

inflorescence flower gynoecium pistil style apex

blunt

1 reference

d0_s7

arrangement

course

linear

1 reference

d0_s8

length

4

35

1 reference

d0_s8

atypical width

28

40

1 reference

d0_s8

width

1

28

1 reference

d0_s8

inflorescence phyllaries base

attenuate

1 reference

d0_s8

crenate

1 reference

d0_s8

dentate

1 reference

d0_s8

entire

1 reference

d0_s8

inflorescence flower gynoecium pistil style apex

acute

1 reference

d0_s8

inflorescence flower gynoecium pistil style apex

obtuse

1 reference

d0_s8

woolly

more or less

1 reference

d0_s9

glabrescent

1 reference

d0_s9

inflorescence peduncle

bracteate

usually

1 reference

d0_s10

inflorescence peduncle bract

0

4

1 reference

d0_s10

inflorescence peduncle bract

linear-lanceolate

linear

1 reference

d0_s10

inflorescence peduncle bract

6

19

1 reference

d0_s10

inflorescence flower ray lamina

8

12

1 reference

d0_s11

inflorescence flower corolla tube

coloration

greenish yellow

1 reference

d0_s12

inflorescence flower corolla tube

atypical some measurement

1.1

1.4

1 reference

d0_s12

inflorescence flower corolla tube

1.4

2

1 reference

d0_s12

inflorescence flower perianth throat

coloration

yellow turning brownish

1 reference

d0_s12

coloration

yellow turning brownish

1 reference

d0_s12

inflorescence flower perianth throat

0.7

1

1 reference

d0_s12

inflorescence flower perianth throat

function

glandular

sometimes very sparsely

1 reference

d0_s12

atypical some measurement

0.25

0.4

1 reference

d0_s12

0.4

0.6

1 reference

d0_s12

fruit

1.5

2.5

1 reference

d0_s13

chromosome

18

1 reference

d0_s13

chromosome

[72

1 reference