is this the example of cladode?

Question

which is the example of cladode.options:
phyllanthus embica
jatropa crucus
Euphorbia tirucalli
ricinus communis

how did you got that john

Answer 1

No . none of them that you have mentioned qualify for the term ' Cladode' as given in the botany text books on Plant Morphology.

1) Phyllantus emblica ( Note the spelling) - Is a tree having normal simple leaves. ( Though appear compound)
http://en.wikipedia.org/wiki/Image:Phyllanthus_emblica_Bra52.png

2)Jatropha curcas ( Note the spelling) - Here too normal leaves.
http://www.stuartxchange.org/TubangBakod.jpg

3)Ricinus communis- Normal leaves.
http://www.istrianet.org/istria/flora/images/ricinus-communis02-400.jpg

And

4) Euphorbia tirucalli - Here the stem is a phylloclade and has MANY internodes.The leaves are reduced or absent.
http://www.botanypictures.com/plantimages/euphorbia%20tirucalli%2001.jpg

CLADODE is basically a phlloclade but it has only ONE internode.

Example is Ruscus platiclados and R. aculeatus.
http://www.biologie.uni-ulm.de/systax/dendrologie/semeandfw.jpg
http://images.google.co.in/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Ruscus_aculeatus_fleur.jpg/180px-Ruscus_aculeatus_fleur.jpg&imgrefurl=http://fr.wikipedia.org/wiki/Fragon_faux_houx&h=205&w=180&sz=20&hl=en&start=6&tbnid=tTCLPbFqfijyTM:&tbnh=105&tbnw=92&prev=/images%3Fq%3DCladode%26gbv%3D2%26svnum%3D10%26hl%3Den%26sa%3DG


In the picture above the leaf like structures are branches with single internode. And they have flowers as well.

Another example of cladode is Asparagus.
In this there is a whorl of branches of single inter nodes.

http://www.botgard.ucla.edu/html/botanytextbooks/generalbotany/images/typesofshoots/cladode/Asparaguswhorls.jpg

Answer 2

Euphorbia tirucalli