Cirsium edule var. macounii (Greene) D.J.Keil

Variety

Angiosperms > Asterales > Asteraceae > Cirsium > Cirsium edule

Characteristics

Heads often densely crowded at stem tips. Peduncles 0–5(–10) cm. Involucres 2–4 × 2.5–4 cm, usually densely arachnoid. Phyllary apices widely spreading, long-acicular, spines 5–15 mm. Corollas (15–)18–22 mm, tubes 7–11 mm, throats (4–)5–8.5 mm, lobes (2–)4.5–7 mm; style tips 4–5 mm. Cypselae dark brown, 5–6.5 mm; pappi 20–25 mm. 2n = 34 (as C. edule).
More
A thistle.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 18
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cirsium edule var. macounii world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:60436284-2
WFO ID wfo-0000018303
COL ID 5N492
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Carduus macounii Cirsium macounii Cirsium macounii Cirsium edule var. macounii