Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
pubigerum
ID:
92089

Status:
valid

Authors:
DC.

Source:
gcc

Year:
1838

Citation Micro:
Prodr. 6: 650 (1838)

WFO Identifier:
wfo-0000091418



Common Names

  • Woolly Thistle
  • Cotton Thistle
  • Downy Thistle


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Synonyms

  • Cirsium depilatum Boiss. & Balansa [unknown]
  • Cirsium pubigerum pubigerum [unknown]
  • Cirsium depilatum depilatum [unknown]
  • Cirsium hygrophiloides Kharadze [unknown]
  • Cirsium depilatum glomeratum Freyn & Sint. [unknown]
  • Cirsium pubigerum glomeratum (Freyn & Sint.) P.H.Davis & Parris [unknown]
  • Cnicus pubigerus Desf. [unknown]

Description

Cirsium pubigerum (also called Downy Thistle, among many other common names) is a biennial herb native to the western United States. It has purple flowers and downy leaves. It is found in dry, open areas such as grasslands and disturbed sites.

Uses & Benefits

Cirsium pubigerum is used as an ornamental plant in gardens and as a ground cover. It is also used to attract bees and butterflies.

Cultivars, Varieties & Sub-species

Cirsium pubigerum var. elbrusense (Sommier & Levier) Petr.
Cirsium pubigerum var. caniforme Petr.
Cirsium pubigerum var. spinosum Petr.

Flower, Seeds and Seedlings

Cirsium pubigerum has small, white flowers with five petals and a yellow center. The seeds are small and black. The seedlings have thin, wiry stems with small, narrow leaves.

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Cultivation and Propagation

Cirsium pubigerum is a perennial plant that is native to Europe and Asia. It can be propagated by seed or division. It prefers full sun and well-drained soil. It can tolerate drought and is resistant to most pests and diseases.

Where to Find Cirsium pubigerum

Cirsium pubigerum is native to Europe and can be found in dry, open areas.

Cirsium pubigerum FAQ

What type of soil does Cirsium pubigerum prefer?

Cirsium pubigerum prefers well-drained, sandy soils.

What is the optimal temperature for Cirsium pubigerum?

Cirsium pubigerum prefers temperatures between 55 and 75 degrees Fahrenheit.

What is the optimal light for Cirsium pubigerum?

Cirsium pubigerum prefers full sun to partial shade.

Species in the Cirsium genus

Cirsium steirolepis, Cirsium oaxacanum, Cirsium alatum, Cirsium scariosum, Cirsium ganjuense, Cirsium stojanovii, Cirsium tymphaeum, Cirsium maroccanum, Cirsium decussatum, Cirsium mairei, Cirsium aggregatum, Cirsium brevistylum, Cirsium wakasugianum, Cirsium echinatum, Cirsium obvallatum, Cirsium bertolonii, Cirsium borealinipponense, Cirsium bipontinum, Cirsium vinaceum, Cirsium carolinianum, Cirsium uliginosum, Cirsium suffultum, Cirsium crassum, Cirsium naikurense, Cirsium sairamense, Cirsium lappoides, Cirsium komarovii, Cirsium roseolum, Cirsium vlassovianum, Cirsium elbrusense, Cirsium helenioides, Cirsium suzukaense, Cirsium horridulum, Cirsium skutchii, Cirsium jaliscoense, Cirsium schelkownikowii, Cirsium masami-saitoanum, Cirsium amani, Cirsium brevifolium, Cirsium cymosum, Cirsium arvense, Cirsium muticum, Cirsium perplexans, Cirsium pseudosuffultum, Cirsium canescens, Cirsium macrobotrys, Cirsium karduchorum, Cirsium odontolepis, Cirsium mcvaughii, Cirsium lineare,

Species in the Asteraceae family

Aaronsohnia pubescens, Aaronsohnia factorovskyi, Abrotanella filiformis, Abrotanella rostrata, Abrotanella linearis, Abrotanella trilobata, Abrotanella muscosa, Abrotanella inconspicua, Abrotanella trichoachaenia, Abrotanella caespitosa, Abrotanella nivigena, Abrotanella pusilla, Abrotanella linearifolia, Abrotanella papuana, Abrotanella rosulata, Abrotanella emarginata, Abrotanella fertilis, Abrotanella spathulata, Abrotanella purpurea, Abrotanella patearoa, Abrotanella submarginata, Abrotanella diemii, Abrotanella scapigera, Abrotanella forsterioides, Acamptopappus shockleyi, Acamptopappus sphaerocephalus, Acanthocephalus benthamianus, Acanthocephalus amplexifolius, Acanthocladium dockeri, Acanthodesmos distichus, Acanthodesmos gibarensis, Acanthospermum humile, Acanthospermum consobrinum, Acanthospermum glabratum, Acanthospermum microcarpum, Acanthospermum hispidum, Acanthospermum australe, Acanthospermum lecocarpoides, Acanthostyles buniifolius, Acanthostyles saucechicoensis, Achillea buiana, Achillea conrathii, Achillea cucullata, Achillea styriaca, Achillea clavennae, Achillea cappadocica, Achillea huber-morathii, Achillea ptarmicoides, Achillea sieheana, Achillea barrelieri,

References