Family of the week: Brassicaceae(Crusiferae)

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satish phadke

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Mar 27, 2008, 10:18:34 AM3/27/08
to indiantreepix, wildflowerindia
Brassicaceae(Crusiferae) Mustard family
Annual, biennial or perennial herbs (Rarely undershrubs) with watery sap,(pungent juice)cotaining glucosinolates (mustard oils) and with myoresin cells.Hairs simple branches stellate or peltate.
Vegetative characters :
Leaves : alternate or in basal rosettes,radical or cauline,simple often dissected, rarely pinnately compound sometimes bearing bulbils in axils or leaf surface. Stipules absent.
Inflorescence : Typically racemose, corumbose raceme or flat topped corymb.
Flowers : ebracteate, rarely bracteate.bisexual actinomorphic rarely zygomorphic hypogynous.
Calyx : with 4 sepals free in two whorls.Sepals of lateral pair sometimes saccate at base green or petalloid.
Corolla : 4 patals crusiform, clawed.
Androecium : stamens 6 free tetradinamous(2 short 4 long) dehiscence longitudinal.Nectaries often at base of stamens, pollen grains tricolpate.
Gynoecium : Two united carpels (thus single pistil) syncarpous unilocular.Ovary superior.Gynophore distinct.Style 1 stigmas 2.
Fruit : Siliqua or silicula
Pollination : by insects and dispersal of seeds by wind.
Examples:
Family contributes to many food plants
Radish (Raphenous sativus)
Cabbage (Brassica oleracea var : capitata)
Cauliflower (Brassica oleracea var : botrytis)
Brussels sprouts
Turnip
Brassiaca campestris : seeds yield mustard oil used for cooking
Brassica nigra : black variety seeds used as condiment.
Common ornamentals include: stock(Mathiola) candy tuft(Iberis amara) alyssum(Alyssum) wall flower(Erysimum) and street alyssum(Lobularia)



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SATISFIED http://satishphadke.blogspot.com/
Mustard.jpg

satish phadke

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Mar 27, 2008, 11:01:54 AM3/27/08
to indiantreepix, wildflowerindia
Please send closeup of mustard flower photos as I don't have any.
Thanks
Satish
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SATISFIED http://satishphadke.blogspot.com/

J.M. Garg

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Mar 28, 2008, 1:21:56 AM3/28/08
to satish phadke, indiantreepix
I am attaching some sort of Mustard plant pics. earlier posted by Debasish ji.

For my Birds, Butterflies, Trees, Lanscape pictures etc., visit  http://commons.wikimedia.org/wiki/Special:Contributions/J.M.Garg
2.JPG
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