Difference between revisions of "Silybum marianum"

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|genus=Silybum
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| growth_habit = ?  <!--- tree, shrub, herbaceous, vine, etc -->
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|species=marianum
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| high = ?  <!--- 1m (3 ft) -->
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|common_name=Blessed Milk Thistle, St Mary's Thistle, Medit. Milk Thistle, Variegated Thistle
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| wide =     <!--- 65cm (25 inches) -->
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|name_ref=Wikipedia
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| origin = ?  <!--- Mexico, S America, S Europe, garden, etc -->
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|habit=herbaceous
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| water = ?  <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
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|Max ht metric=cm
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|poisonous=to some animals
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|lifespan=annual, biennial
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|exposure=sun, part-sun
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|features=evergreen, flowers, naturalizes, invasive
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| regnum = Plantae  <!--- Kingdom -->
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|flower_season=early summer, mid summer, late summer, early fall
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|min_zone=7
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'''''Silybum marianum''''' is a [[milk thistle]], is an [[annual plant|annual]] or [[biennual]] plant of the [[Asteraceae]] family. This fairly typical [[thistle]] has red to purple flowers and shiny pale green leaves with white veins. Originally a native of Southern Europe through to Asia, it is now found throughout the world. The medicinal parts of the plant are the ripe seeds.
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[[Common name]]s for this species include '''blessed milk thistle''', '''Marian Thistle''', '''Mary Thistle''', '''St Mary's Thistle''', '''Mediterranean Milk Thistle''' and '''Variegated Thistle'''.
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It grows 40 to 100&nbsp;cm tall.  The stem is grooved and more or less cottony.
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The leaves are oblong to lanceolate.  They are either wavy loved or pinnated, have spiny edges.  They are hairless, shiny green, with milk white veins.
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The flower heads are 4 to 5&nbsp;cm long and wide, of red-purple colour.  They flower from June to August.
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The [[bract]]s are hairless, with triangular, spine-edged appendages, tipped with a stout yellow spine.
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The [[achene]]s are black, with simple long white [[pappus (flower structure)|pappus]], surrounded by a yellow basal ring.<ref name="The Wild Flower Key">The Wild Flower Key, ISBN 0-7232-2419-6</ref>
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Silybum marianum, Gaertn. (Carduus Marianus, Linn. Mariana lactea, Groves). St. Mary's, Blessed, or Holy Thistle. Annual or biennial, shining: st. 1-4 ft. high, grooved not winged: lvs. large, with strong spines: heads 1-2 in. diam.; involucral bracts leathery with a spine 1/2 – 3/4 in. long, the outermost mucronate: receptacle fleshy: fls. rose-purple: achenes transversely wrinkled or smooth, black or gray. S. Eu., N. Afr., and Asia, also intro. in many places, including N. Amer.; naturalized on the Pacific coast.
 
Silybum marianum, Gaertn. (Carduus Marianus, Linn. Mariana lactea, Groves). St. Mary's, Blessed, or Holy Thistle. Annual or biennial, shining: st. 1-4 ft. high, grooved not winged: lvs. large, with strong spines: heads 1-2 in. diam.; involucral bracts leathery with a spine 1/2 – 3/4 in. long, the outermost mucronate: receptacle fleshy: fls. rose-purple: achenes transversely wrinkled or smooth, black or gray. S. Eu., N. Afr., and Asia, also intro. in many places, including N. Amer.; naturalized on the Pacific coast.
 
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==Cultivation==
 
==Cultivation==
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It is hardy to zone 7 and is not frost tender. It is in leaf all year, in flower from July to September, and the seeds ripen from August to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.
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The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very alkaline soil. It cannot grow in the shade. It requires dry or moist soil. The plant can tolerates strong winds but not maritime exposure.
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Succeeds in any well-drained fertile garden soil[1, 200]. Prefers a calcareous soil[12] and a sunny position[200]. Hardy to about -15°c[200]. The blessed thistle is a very ornamental plant that was formerly cultivated as a vegetable crop[1, 61, 238].
  
 
===Propagation===
 
===Propagation===
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Plants will often self sow freely[K].
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Seed - if sown in situ during March or April, the plant will usually flower in the summer and complete its life cycle in one growing season[K]. The seed can also be sown from May to August when the plant will normally wait until the following year to flower and thus behave as a biennial[K]. The best edible roots should be produced from a May/June sowing, whilst sowing the seed in the spring as well as the summer should ensure a supply of edible leaves all year round[K].
  
 
===Pests and diseases===
 
===Pests and diseases===
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Young plants are prone to damage from snails and slugs[200].
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==Varieties==
  
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==Species==
 
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<!--  This section should be renamed Cultivars if it appears on a page for a species (rather than genus), or perhaps Varieties if there is a mix of cultivars, species, hybrids, etc    -->
 
  
 
==Gallery==
 
==Gallery==
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<gallery perrow=5>
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Image:Illustration Silybum marianum0.jpg|
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<gallery>
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Image:Silybum marianum g1.jpg|
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Image:Upload.png| photo 1
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Image:Silybum marianum 1 beentree.jpg|
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Image:Upload.png| photo 2
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Image:Silybum marianum fruits.jpg|
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Image:Upload.png| photo 3
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Image:Silybum marianum01.jpg|
 
</gallery>
 
</gallery>
  
 
==References==
 
==References==
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<references/>
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*[http://www.pfaf.org/database/plants.php?Silybum+marianum Plants for a Future] - source of some creative commons text
 
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
 
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
 
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
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Revision as of 20:08, 18 May 2010


Milk thistle


Plant Characteristics
Habit   herbaceous

Height: ⇕ 40 cm"cm" can not be assigned to a declared number type with value 40. to 100 cm"cm" can not be assigned to a declared number type with value 100.
Lifespan: ⌛ annual, biennial
Poisonous: ☠ to some animals
Bloom: ❀ early summer, mid summer, late summer, early fall
Cultivation
Exposure: ☼ sun, part-sun
Water: ◍ moist, moderate, dry
Features: ✓ evergreen, flowers, naturalizes, invasive
USDA Zones: 7
Scientific Names

Asteraceae >

Silybum >

marianum >


Silybum marianum is a milk thistle, is an annual or biennual plant of the Asteraceae family. This fairly typical thistle has red to purple flowers and shiny pale green leaves with white veins. Originally a native of Southern Europe through to Asia, it is now found throughout the world. The medicinal parts of the plant are the ripe seeds.

Common names for this species include blessed milk thistle, Marian Thistle, Mary Thistle, St Mary's Thistle, Mediterranean Milk Thistle and Variegated Thistle.

It grows 40 to 100 cm tall. The stem is grooved and more or less cottony.

The leaves are oblong to lanceolate. They are either wavy loved or pinnated, have spiny edges. They are hairless, shiny green, with milk white veins.

The flower heads are 4 to 5 cm long and wide, of red-purple colour. They flower from June to August.

The bracts are hairless, with triangular, spine-edged appendages, tipped with a stout yellow spine.

The achenes are black, with simple long white pappus, surrounded by a yellow basal ring.[1]


Read about Silybum marianum in the Standard Cyclopedia of Horticulture 

Silybum marianum, Gaertn. (Carduus Marianus, Linn. Mariana lactea, Groves). St. Mary's, Blessed, or Holy Thistle. Annual or biennial, shining: st. 1-4 ft. high, grooved not winged: lvs. large, with strong spines: heads 1-2 in. diam.; involucral bracts leathery with a spine 1/2 – 3/4 in. long, the outermost mucronate: receptacle fleshy: fls. rose-purple: achenes transversely wrinkled or smooth, black or gray. S. Eu., N. Afr., and Asia, also intro. in many places, including N. Amer.; naturalized on the Pacific coast. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

It is hardy to zone 7 and is not frost tender. It is in leaf all year, in flower from July to September, and the seeds ripen from August to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very alkaline soil. It cannot grow in the shade. It requires dry or moist soil. The plant can tolerates strong winds but not maritime exposure.

Succeeds in any well-drained fertile garden soil[1, 200]. Prefers a calcareous soil[12] and a sunny position[200]. Hardy to about -15°c[200]. The blessed thistle is a very ornamental plant that was formerly cultivated as a vegetable crop[1, 61, 238].

Propagation

Plants will often self sow freely[K].

Seed - if sown in situ during March or April, the plant will usually flower in the summer and complete its life cycle in one growing season[K]. The seed can also be sown from May to August when the plant will normally wait until the following year to flower and thus behave as a biennial[K]. The best edible roots should be produced from a May/June sowing, whilst sowing the seed in the spring as well as the summer should ensure a supply of edible leaves all year round[K].

Pests and diseases

Young plants are prone to damage from snails and slugs[200].

Varieties

Gallery

  • Illustration Silybum marianum0.jpg
  • Silybum marianum g1.jpg
  • Silybum marianum 1 beentree.jpg
  • Silybum marianum fruits.jpg
  • Silybum marianum01.jpg

References

  1. ↑ The Wild Flower Key, ISBN 0-7232-2419-6

External links


Retrieved from "http://gardenology.mywikis.net/w/index.php?title=Silybum_marianum&oldid=128345"