OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Silybum marianum   FAMILY Asteraceae__   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silybum marianum   FAMILY Asteraceae__

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Silybum marianum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Silybum marianum

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Silybum marianum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Mariana mariana

 

COMMON NAME:
Blessed Milk-thistle, Blessed-thistle, Milk-thistle


         To see larger pictures, click or hover over the thumbnails.

image of Silybum marianum, Blessed Milk-thistle, Blessed-thistle, Milk-thistle

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_mama27_001_lvd

        

image of Silybum marianum, Blessed Milk-thistle, Blessed-thistle, Milk-thistle

Bruce A. Sorrie    bas_silybum_marianum1

November    Juan Fernandez Is.    Chile

Leaf blades pinnately lobed and spinescent on and near the margins, per Manual of the Southeastern Flora (JK Small, 1933).

image of Silybum marianum, Blessed Milk-thistle, Blessed-thistle, Milk-thistle

Bruce A. Sorrie    bas_silybum_marianum1c

November    Juan Fernandez Is.    Chile

Tall thistle-like herbs, the stem not winged, per Manual of the Southeastern Flora (JK Small, 1933).

image of Silybum marianum, Blessed Milk-thistle, Blessed-thistle, Milk-thistle

Bruce A. Sorrie    bas_silybum_marianum1d

November    Juan Fernandez Is.    Chile

Leaves green with white mottles, per Weakley's Flora (2015).

image of Silybum marianum, Blessed Milk-thistle, Blessed-thistle, Milk-thistle

Bruce A. Sorrie    bas_silybum_marianum2

November    Juan Fernandez Is.    Chile

Bracts conspicuous, spiny-ciliate with broad bases and firm spine-armed tips, per Manual of the Southeastern Flora (JK Small, 1933).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Silybum marianum   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silybum marianum   FAMILY Asteraceae__

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Silybum marianum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Silybum marianum

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Silybum marianum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Mariana mariana

 

Find by SCIENTIFIC NAME:

3835

Forb
Annual/Biennial

Habitat: Disturbed areas, per Weakley's Flora

Non-native: Mediterranean Europe

Waif(s)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

 

IS THE PLANT "ARMED"?
Leaf margins spiny

LEAVES:
Simple
Alternate
Basal leaves have stout petiole-like bases; stem leaves auriculate-clasping.

FLOWER:
Spring/Summer
Disc: Pinkish/ Purplish
Rays: Absent
Inferior ovary
Bisexual

FRUIT:
Spring/Summer
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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