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Cirsium altissimum (L.) Hill
TALL THISTLE
Life   Plantae   Dicotyledoneae   Asteraceae   Cirsium

Cirsium altissimum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, whole plant - in flower - general view

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Cirsium altissimum, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, leaf - basal or on lower stem
Cirsium altissimum, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, leaf - on upper stem

Cirsium altissimum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, inflorescence - whole - unspecified
Cirsium altissimum, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, inflorescence - frontal view of flower

Cirsium altissimum, inflorescence - ventral view of flower + perianth
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, inflorescence - ventral view of flower + perianth
Cirsium altissimum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Cirsium altissimum, stem - showing leaf bases

Cirsium altissimum, seed
© Copyright Seeds USID 2015 · 1
Cirsium altissimum, seed
Cirsium altissimum, seed
© Copyright Seeds USID 2015 · 1
Cirsium altissimum, seed

Cirsium altissimum, Tall thistle
© Copyright Kyndall Dye 2011 · 1
Cirsium altissimum, Tall thistle
Cirsium altissimum, Tall thistle
© Copyright Kyndall Dye 2011 · 1
Cirsium altissimum, Tall thistle

Cirsium altissimum, Tall thistle
© Copyright Kyndall Dye 2011 · 1
Cirsium altissimum, Tall thistle
Cirsium altissimum, Tall thistle
© Copyright Kyndall Dye 2011 · 1
Cirsium altissimum, Tall thistle

Cirsium altissimum, flower
© George Yatskievych, 2003 · 1
Cirsium altissimum, flower

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Cirsium altissimum @ I_EHAN (3)

Associates · map
FamilyScientific name @ source (records)
Aphididae  Uroleucon ( @ NCSU (4)
Apidae  Bombus pensylvanicus @ AMNH_BEE (8)

Ceratina mikmaqi @ AMNH_BEE (1)

Melissodes desponsa @ AMNH_BEE (5)

Triepeolus donatus @ AMNH_BEE (1)
Asteraceae  Cirsium altissimum @ I_EHAN (3)
Erysiphaceae  Erysiphe cichoracearum @ BPI (3)
Megachilidae  Megachile latimanus @ AMNH_BEE (1)
Mycosphaerellaceae  Septoria cirsii @ BPI (2)

Septoria commonsii @ BPI (3)
Phaeosphaeriaceae  Stagonospora cirsii @ BPI (1)
Pucciniaceae  Puccinia cirsii @ BPI (6)
Tubeufiaceae  Acanthostigma occidentale @ BPI (3)
Venturiaceae  Venturia occidentalis @ BPI (1)

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Following modified from MissouriPlants.com
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Cirsium altissimum f. moorei Steyerm.

Cirsium altissimum plant

Family - Asteraceae

Stems - To +3m, glabrous, not completely winged by extended leaf tissue.

Leaves - Glabrous or slightly hairy above, hairy below, no spines on upper surface, alternate, larger below, reduced towards inflorescence. Margins toothed or lobed or not, flat, spiny.

Inflorescence - Single flower-head terminating each branch of the inflorescence.

Involucre - 2-3.5cm long(high). Bracts imbricate, tightly appressed, ending in spine-like prickle.

Flowers - All discoid, no rays present. Pappus of plumose bristles.

Cirsium altissimum flower

Flowering - July - October.

Habitat - Slopes, thickets, roadsides, railroads, open woodland.

Origin - Native to U.S.

Other info. - This form of C. altissimum is not often found in Missouri. The more common C. altissimum f. altissimum , with pink-rose flowers, is the plant most often seen. This plant can be found on the "Pink Flowers" page of this web site.
" altissimum " means "tall" or "the tallest" in Latin and this plant certainly is, being the tallest member of this genus in Missouri.

Photographs taken at the Kansas City Zoo, 9-5-99.


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Following modified from MissouriPlants.com
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Cirsium altissimum (L.) Spreng.

Cirsium altissimum plant

Family - Asteraceae

Stems - To +3m tall, branching, herbaceous, erect, striate, pubescent.

Cirsium altissimum stem Stem.

Leaves - Alternate, typically glabrous above, densely pubescent to lanate below, mostly entire with spined margins, sometimes lobed, to +30cm long, +10cm wide, sessile or short-petiolate, typically lanceolate, oblong, or elliptic, reduced towards apex.

Cirsium altissimum leaf Abaxial surface of leaf.

Cirsium altissimum basals Basal rosette.

Inflorescence - Single flower heads terminating stems.

Involucre - To 3.5cm tall, +3cm wide, subglobose to vase-shaped. Phyllaries imbricate, appressed, spine (bristle) tipped, typically with a lighter midrib.

Cirsium altissimum involucre Involucre with the subtending bracts.

Cirsium altissimum involucre Involucre with the subtending bracts removed.

Ray flowers - Absent.

Disc flowers - Corolla pink to rose, to +30mm long, tubular, 5-lobed. Style well exserted. Achenes to 6mm long, 2mm wide. Pappus of numerous plumose bristles.

Cirsium altissimum flowers

Cirsium altissimum flower Individual floret.

Flowering - July - October.

Habitat - Dry woodlands, slopes, thickets, disturbed sites, waste ground, roadsides, railroads.

Origin - Native to U.S.

Other info. - This is the tallest of the plants in this genus in Missouri ( altissimum means "the tallest"). It is very common throughout the state except for the extreme southeastern corner. It is a common roadside plant in the Ozarks.
Steyermark lists a couple of forms for the species. The plant pictured above is form altissimum . This plant has the typical rose-pink corolla. Form moorei has a white corolla and is listed in the "White flowers alternate" section of this website. The latter is much less common.

Photographs taken in the Ozark Scenic Riverways, Shannon County, MO., 8-9-03.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=CIAL2 ---> https://plants.usda.gov/java/profile?symbol=CIAL2
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=CIAL2

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 2
Query: SELECT * FROM img WHERE ready=1 and taxon like "Cirsium altissimum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Cirsium altissimum
Cirsium altissimum
Tall Thistle
ID: 0000 0000 0506 1716 [detail]
© 2006 Jeff Abbas

Cirsium altissimum
Cirsium altissimum
Tall Thistle
ID: 0000 0000 0506 1718 [detail]
© 2006 Jeff Abbas

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Updated: 2017-09-23 05:48:02 gmt
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