Please check *Crinum ×amabile *Donn ex Ker Gawl.

Thank you
Saroj Kasaju

---------- Forwarded message ---------
From: [email protected] <[email protected]>
Date: Friday, October 26, 2012 at 9:53:36 PM UTC+5:45
Subject: Re: [efloraofindia:136254] incredible Crinum from Hooghly
To: Gurcharan Singh <[email protected]>
Cc: efloraofindia <[email protected]>


Sir,

Thank you very much for elaborating on three species of *Crinum*. Since i 
do not have bulb size and segment size i understand that this species 
should better be left as *Crinum* sp. only. Moreover i am not sure if this 
plant is fragrant or not, even if it is fragrant surely would be mildly.

Regards,

surajit


On Fri, Oct 26, 2012 at 10:28 AM, Gurcharan Singh <[email protected]> wrote:

Surajit ji
Incidentally I have Bailey, Manual of Cultivated plants (a standard 
reference  for cultivated plants) which treats Crinum asiaticum, C. amabile 
and C. augustum as three distinct species. Former is differentiated by 
white perianth and latter two by perianth red at least on outside. The 
author admits C. augustum as "doubtfully specifically distinct from A. 
amabile" differing in larger bulbs (up to 15 cm in diam.), less fragrant, 
 and broader perianth segments  (12-20 mm broad) as against smaller bulb, 
highly fragrant flowers and 10-12 mm broad segments. C. asiaticum is 
considered as a very variable species with bulb 10-13 cm in diam, flowers 
highly fragrant, white, with 10-12 mm broad segments. 
     Perhaps we should avoid consulting The Plant List for cases where 
better options like GRIN are available. The Plant List records all the 
three as distinct species, but interestingly considers A. amabile var. 
augustum (Roxb. ex Ker Gawl.) Ker Gawl. as synonym of C. asiaticum var. 
asiaticum,, but if you look at their source (World Checklist) the citation 
is C. augustum Roxb. (which The Plant List treats as independent species) 
as synonym of C. amabile. 
    It would be good to know whether our plants fits C. amabile or C. 
augustum on the basis of bulb size and perianth width, and wait for some 
recent publication which treats them better. GRIN considers C. amabile as 
synonym of C. asiaticum, whereas   Kew Worl Check List treats C. amabile as 
independant species with C. augustum as its synonym.

-- 
Dr. Gurcharan Singh
Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089
http://www.gurcharanfamily.com/ 
http://people.du.ac.in/~singhg45/ 

           

On Thu, Oct 25, 2012 at 6:53 PM, surajit koley <[email protected]> 
wrote:

Sir,

If you click the following two google search -

   1. *Crinum augustum* = 
   
https://www.google.co.in/search?q=Crinum+augustum&hl=en&safe=off&prmd=imvns&source=lnms&tbm=isch&sa=X&ei=u-eJUNzlBqmWiQf-oYGgCA&ved=0CAcQ_AUoAQ&biw=1517&bih=710
 
   2. *Crinum asiaticum* var. *asiaticum* = 
   
https://www.google.co.in/search?q=Crinum+asiaticum+var.+asiaticum&hl=en&safe=off&prmd=imvns&source=lnms&tbm=isch&sa=X&ei=6umJUJyPAbGTiQfR0ICgAQ&sqi=2&ved=0CAcQ_AUoAQ&biw=1517&bih=710
 

the first link gives you majority pinkish white flower while the 2nd gives 
majority white flowers!

According to The Plant List -

   1. *Crinum augustum* Roxb. ex Ker Gawl. is a synonym of *Crinum 
   asiaticum* var. *asiaticum* 
   <http://www.theplantlist.org/tpl/record/kew-303331> 
   2. *Crinum amabile* var. *augustum* (Roxb. ex Ker Gawl.) Ker Gawl. is a 
   synonym of *Crinum asiaticum* var. *asiaticum* 
   <http://www.theplantlist.org/tpl/record/kew-309972> 
   3. *Crinum asiaticum* var. *asiaticum* is an accepted name 
   <http://www.theplantlist.org/tpl/record/kew-310841> 

GRIN list of *Crinum* = 
http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?3075

NTBG has some description = 
http://www.ntbg.org/plants/plant_details.php?plantid=11808
Dave's Garden = http://davesgarden.com/guides/pf/go/90355/#b

This is an ornamental herb, *Crinum* sp., in a private compound beside a 
pond, recorded on 5/10/2012 in Hooghly.

Thank you & Regards,

surajit

-- 
 
 
 






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