Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
opacum
ID:
130896

Status:
valid

Authors:
(Kitam.) Kadota

Source:
gcc

Year:
2006

Citation Micro:
Bull. Natl. Sci. Mus. Tokyo, B 32(2): 99 (2006)

WFO Identifier:
wfo-0000130225



Common Names

  • Cirsium opacum
  • Opacum Thistle
  • Gray Thistle


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Synonyms

  • Cirsium lucens opacum Kitam. [unknown]

Description

Cirsium opacum (also called Opaque Thistle, among many other common names) is a perennial herbaceous plant native to the United States. It grows in moist soils, as well as in grasslands and open woodlands.

Uses & Benefits

Cirsium opacum is used as an ornamental plant in gardens and as a source of nectar for bees and butterflies.

Flower, Seeds and Seedlings

Cirsium opacum has yellow flowers with five petals. The seeds are small and black, and the seedlings have a rosette of leaves.

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Cultivation and Propagation

Cirsium opacum is a perennial herb native to Europe and Asia. It is easy to propagate from seed. Seeds should be planted in a well-draining soil mix and kept moist. Provide bright, indirect sunlight. The seeds should germinate within a few weeks.

Where to Find Cirsium opacum

Cirsium opacum can be found in meadows, pastures, and other open areas in the Northern United States and Canada.

Cirsium opacum FAQ

What is the scientific name of Cirsium opacum?

Cirsium opacum

What is the common name of Cirsium opacum?

Opaque Thistle

What is the natural habitat of Cirsium opacum?

It is found in grasslands, meadows, and open woodlands in Europe.

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

Shirō Kitamura (1906-2002): Based on occurrence of standard abbreviation 'Kitam.' in the authors string.
Yuichi Kadota (b.1949): Based on occurrence of standard abbreviation 'Kadota' in the authors string.