Silybum marianum

Silybum marianum (L.) Gaertn. (Syn: Carduus lactifolius Stokes ; Carduus mariae Crantz; Carduus marianus L.; Carduus versicolor Salisb.; Carthamus maculatus (Scop.) Lam.; Centaurea dalmatica Fraas; Cirsium maculatum Scop.; Mariana lactea Hill; Mariana mariana (L.) Hill ; Silybum maculatum (Scop.) Moench; Silybum mariae (Crantz) Gray; Silybum marianum var. albiflorum Eig; Silybum marianum var. marianum (L.) Gaertn.; Silybum pygmaeum Cass.);

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SIGH-lee-bum or si-LEE-bum — ancient Greek name for some edible thistles … Dave’s Botanary
mar-ee-AH-num — of Saint Mary … Dave’s Botanary
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commonly known as: blessed milk thistle, holy thistle, kenguel seed, Marian thistle, Mediterranean milk thistle, Saint Mary’s thistle, variegated thistle • Dogri: dudhpattra, garda-marda bhuss
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Native to: s Europe, n-e Africa, w Asia; naturalized elsewhere – includes India

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Asteraceae for id 050311MK1:
Please help to id this prickled Asteraceae shrub. Sorry for poor photographs. Location: Ooty town, Nilgiris [roadside]
Altitude: 2000 MSL
Date: 05 Dec 2010; 05:30PM

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the plant is Silybum marianum (L.) Gaertn. of Asteraceae, native of Tropical America.

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Asteraceae Week (Part II – Discoid heads) :: Silybum marianum at Old Ooty :: 17 NOV 11 :: DV25 : 4 images. 3 posts by 3 authors.

Silybum marianum (L.) Gaertn.

SIGH-lee-bum or si-LEE-bum — ancient Greek name for some edible thistles … Dave’s Botanary
mar-ee-AH-num — of Saint Mary … Dave’s Botanary
commonly known as: blessed milk thistle, holy thistle, kenguel seed, Marian thistle, Mediterranean milk thistle, Saint Mary’s thistle, variegated thistle • Dogri: dudhpattra, garda-marda bhuss
Native to: s Europe, n-e Africa, w Asia; naturalized elsewhere – includes India
References: Flowers of India • Wikipedia • NPGS / GRIN • ENVIS – FRLHT
at Old Ooty on 17 NOV 11

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Asteraceae Fortnight Part 2-Discoid heads: Silybum marianum (L.) Gaertn. from Kashmir -GS58 : Attachments (3).  1 post by 1 author.
Silybum marianum (L.) Gaertn.
A distinctive thistle with white variegated leaves and erect spiny heads, locally present at few places in Kashmir.

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Bangalore-Ooty November 2013 :: Requesting ID of this wild plant at Ooty :: 05APR2014 :: ARK-02 : 5 posts by 5 authors. Attachments (3).
Requesting to please ID this plant growing wild by the roadside in Ooty in November 2013.

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Cirsium wallichii DC

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To me this looks like Cirisium arvense…

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First two with broader leaves and yellowish lines represent I think Silybum marianum.
Last Carduus sp.

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could be. leaf venation certainly is reminiscent

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