Dicliptera chinensis from Nainital-GS14032022-3

Gurcharan Singh

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Mar 14, 2022, 4:34:02 AM3/14/22

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All three similar species are listed in FBI (under names D. riparia, D. roxburghiana and D. roxburghiana var. bupleuroides): The confusion regarding names has been further compounded by eFlora of Pakistan, which on eFloras.org website considers D. roxburghiana of FBI (non Nees) as synonym of D. bupleuroides Nees, whereas on more recent website of Tropicos (2011) it simply lists D. roxburghiana Nees as synonym of D. bupleuroides. Here is a comparison of accepted names.

D. riparia Nees is distributed in Pegu and Tenassarim (Myanmar),FBI according to Flora China Nepal, Myanmar to Yunan: Lesves ovate, obtuse often emarginate bracts, bracteoles 6 mm, linear.

D. chinensis (L.) Juss. (Syn: D. roxburghiana Nees): Leaves ovate-elliptic, base cuneate to attenuate, decurrent on petiole, outer bracteoles 5-13 mm x 3-8 mm , less than twice as long as broad, corolla 10-12 mm long; Throughout India

D. bupleuroides Nees (Syn: D. roxburghiana var. bupleuroides (Nees) Clarke): leaves ovate, base cuneate; outer bracteoles 5-7 mm long, more than twice as long as broad; corolla 5 mm long.; Throughout India

When looking for specimens from Western Himalayas we have to be vigilant about size of corolla and the relative length breadth ratio of outer bracteoles.

Here is D. chinensis, photographed from Nainital, 14-4-2012. Please notice larger flowers with longer corolla lobes and broader outer bracteoles.

Dr. Gurcharan Singh

Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.

https://www.gurcharanfamily.com/

Dicliptera-roxburghiana-Nainital-IMG_0819-a.jpg

Gurcharan Singh

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Mar 14, 2022, 4:34:55 AM3/14/22

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Dr. Gurcharan Singh

Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.

https://www.gurcharanfamily.com/

Dicliptera-roxburghiana-Nainital-IMG_0820-a.jpg

Gurcharan Singh

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Mar 14, 2022, 4:35:16 AM3/14/22

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Dr. Gurcharan Singh

Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.

https://www.gurcharanfamily.com/

Dicliptera-roxburghiana-Nainital-IMG_0822-a.jpg

Gurcharan Singh

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Mar 14, 2022, 4:36:02 AM3/14/22

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Dicliptera-roxburghiana-Nainital-P1150786-a.jpg

Gurcharan Singh

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Mar 14, 2022, 4:36:40 AM3/14/22

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Dr. Gurcharan Singh

Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.

https://www.gurcharanfamily.com/

Dicliptera-roxburghiana-Nainital-IMG_0828-a.jpg

J.M. Garg

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Mar 21, 2022, 4:41:58 AM3/21/22

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I agree as per details at Dicliptera roxburghiana and Dicliptera roxburghiana var. bupleuroides

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