Difference between Celosia spicata & celosia argentea

[J.M. Garg]

There seems to be a lot of confusion between Celosia spicata & Celosia argentea during the Amaranthaceae Week in different threads.

This appears to be same in efi site as well.

To sort out the issue, I think we need to first find out the difference between the two.

Experts may pl. help in sorting out the issue.

 

Efi pages for both are given below:

Celosia argentea var. argentea

Celosia spicata
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J.M.Garg

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[surajit koley]

Good morning

After going through the discussions in various threads in our group i find that what i am vehemently supporting as Celosia spicata Spreng actually is C. argentea L. !

Dr. Anil Ji also drew my notice, in the thread at - https://groups.google.com/forum/#!topic/indiantreepix/y9hdl9jZ0Tc/discussion.

FoC validates the above - http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=105991.

FoP itself seems to be confused -

• root/base page - http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=105991
• Celosia argentea L. page that concludes with lower taxon - http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200006992

Let's see herbaria in Linnaeus Server :-

1. Celosia argentea L. - http://linnaeus.nrm.se/botany/fbo/c/celos/celoarg.html.en
2. Celosia cristata L. - http://linnaeus.nrm.se/botany/fbo/c/celos/celocri1.html.en and http://linnaeus.nrm.se/botany/fbo/c/celos/celocri2.html.en
3. Celosia cristata L. var. coccinea - http://linnaeus.nrm.se/botany/fbo/c/celos/celocri3.html.en and http://linnaeus.nrm.se/botany/fbo/c/celos/celocri6.html.en
4. Celosia cristata L. var. castrensis - http://linnaeus.nrm.se/botany/fbo/c/celos/celocri5.html.en
5. Celosia cristata L. var. comosa - http://linnaeus.nrm.se/botany/fbo/c/celos/celocri4.html.en

Thank you

Regards

surajit

[J.M. Garg]

Thanks, Surajit ji,

I also think that we should treat Celosia spicata Spreng under C. argentea in efi site otherwise there is a lot of confusion!
Experts may confirm pl.

[D.S Rawat]

As per the Karthikeyan et al 2009 (Flowering Plants of India) Celosia genus has three naturally occurring species in India. These are C.argentea (with two varieties, namely, C.argentea var. argentea and C.argentea var. cristata), C.polygonoides (restricted to S.India) and C.pulchella (restricted to SW Ghats Nilgiris). However, it does not mention introduced ornamental varieties. Graf 1992 (Hortica) has mentioned 'cockscomb' as a separate species C.cristata. However, Bailey 1949 in his classic 'Manual of Cultivated Plants' has mentioned C.argentea as a weed of tropical (Asian) origin with two cultivated forms- 1) very like the wild plants with long narrow silvery spikes (C.argentea var. argentea) and 2) most of the improved domesticated races, 'cockscomb' (C.argentea var. cristata). 

DSRawat Pantnagar

[J.M. Garg]

Thanks a lot, Rawat ji.

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