*Impatiens tricornis *Lindl. Thank you Saroj Kasaju
---------- Forwarded message --------- From: Gurcharan Singh <[email protected]> Date: Wednesday, March 4, 2020 at 10:15:57 PM UTC+5:45 Subject: Re: [efloraofindia:343620] Sorting our I. edgeworthii/scabrida/tricornis populations: I. scabrida from Tiger Fall Area Chakrata To: Wojciech <[email protected]> Cc: JM Garg <[email protected]>, efloraofindia <[email protected]>, ashutoshsharma11sn <[email protected]> Thanks dear Wojciech Adanowski for detailed. We can only hope that some younger who studies the Himalayan populations in field is able to reach meaningful conclusion. Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Mob: 9810359089 https://sing96.wixsite.com/mysite-1 On Wed, Mar 4, 2020 at 9:51 PM Wojciech Adamowski <[email protected]> wrote: Sorry for unexpected break - I had some difficult days in my work. Now I would like to explain my reluctance in giving names to plants known to me only from pictures. There is a lot of confusion about this group and this confusion is only partially solved by paper by Akiyama and Ohba. The same authors described another taxon from this group - I. bajurensis with gigantic flowers: Akiyama S., Ohba H. 1993. Notes of Impatiens from west Nepal. J. Jap. Bot. 68(3): 156-158. Recently Czech colleagues found interesting form in Nepal, with rather short lower sepal, but also rather short spur. This form has different chromosome number. Also Rajib Gogoi in his book show 2 different forms with rather short lower sepal: one yellow flowered and one almost white flowered. I am not sure if his plants are true I. tricornuta and I. scabrida... This way giving names to only superficially studied plants could be easily error. Best regards Wojciech W piątek, 28 lutego 2020, 10:04:00 CET, Gurcharan Singh <[email protected]> napisał(-a): I must mention that all images were taken between 11.37 and 11.38 am. Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Mob: 9810359089 https://sing96.wixsite.com/mysite-1 On Fri, Feb 28, 2020 at 2:31 PM Gurcharan Singh <[email protected]> wrote: Thanks Garg ji, If second image 532 is accepted as I. scabrida, all others from the same population should also be so. Shinobu Akiyama and Hideaki Ohba in their 2016 where they suggested the shift of several specimens to I. tricornis, mentioned characters of I. scabrida as "Lower sepal navicular or infundibuliform,9–12 mm long, 5.5–8 mm deep (excluding the spur), tapering into a long upwardly or downwardly curved spur; spur 17–25 mm in overall length". Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Mob: 9810359089 https://sing96.wixsite.com/mysite-1 On Fri, Feb 28, 2020 at 1:22 PM J.M. Garg <[email protected]> wrote: So what we finally take this as ? ---------- Forwarded message --------- From: *Gurcharan Singh* <[email protected]> Date: Fri, 21 Feb 2020 at 15:30 Subject: [efloraofindia:343620] Sorting our I. edgeworthii/scabrida/tricornis populations: I. scabrida from Tiger Fall Area Chakrata To: efloraofindia <[email protected]>, Ashutosh Sharma < [email protected]>, Wojciech Adamowski <[email protected]> This population from Tiger Fall area of Chakrata seems to fit the description in the Paper which led us here,and the absence of distinct lobule of I. edgeworthii and "Lower sepal navicular or infundibuliform,9–12 mm long, 5.5–8 mm deep (excluding the spur), tapering into a long upwardly or downwardly curved spur; spur 17–25 mm in overall length". Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. 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