Re: 141122 Dioscorea pubera

Nitin Kawthankar

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Nov 21, 2022, 3:59:19 AM11/21/22

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Etymology:

Dioscorea: Named after Greek physician 'Pedanius Dioscorides' (40-90 AD). en.m.wikipedia.org/wiki/Pedanius_Dioscorides
pubera: From Latin 'puber' (pubescent) refer. to pubescent hairy stem and Leaves. en.m.wiktionary.org/wiki/pubes#Latin

On Mon, 21 Nov 2022, 1:49 p.m. Nitin Kawthankar, <nitinka...@gmail.com> wrote:

Dioscorea pubera Blume (1827)
New addition to the Flora of Maharashtra from Sindhudurg district.

Date/Time- 14/11/2022.
Location- Pal, Vengurla, Sindhudurg, MH.
(Lat. 15.84, Long. 73.67, Alt. +8m).

Habitat- wild, coconut plantation.
Plant Habit- tuberous climber.
Tuber- single, cylindrical.
Stem- twinning to right, unarmed, pubescent.
Bulbils- present, subglobose, yellowish-white inside.
Leaves- simple, heart-shaped, pubescent.
Inflorescence,Flowers,Fruits- not seen.

Distinguishing Characters:
Stem twinning to right (to left in D. bulbifera, D. esculenta), unarmed (prickly in D. esculenta), not winged (winged in D. alata); Leaves pubescent-hairy (glabrous in D. wallichii).

References:
Plants of the World Online. powo.science.kew.org/taxon/urn:lsid:ipni.org:names:318471-1
Sanjeet Kumar & Rakhee Dimri (2022) - A note on Dioscorea pubera Blume. researchgate.net/publication/360344383_A_note_on_Dioscorea_pubera_Blume
V. Balakrishnan & N. Anil Kumar (2017) - Sustainable Use of Wild Yams (Dioscorea) by Tribal Communities in Kerala, India. doi.org/10.1007/978-3-319-42162-9_19
Flora of Peninsular India. flora-peninsula-indica.ces.iisc.ac.in/herbsheet.php?id=3467&cat=7

Nitin Kawthankar

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Nov 21, 2022, 3:59:23 AM11/21/22

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20221114_100555-01-01.jpeg

20221114_101133-01-01.jpeg

Nitin Kawthankar

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Nov 21, 2022, 3:59:25 AM11/21/22

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Date- 15/11/2022.

Location- Pal, Vengurla, Sindhudurg, MH.

(Lat. 15.84, Long. 73.67, Alt. +8m).

more pics of D. pubera

1. cross section of the bulbil,

2. tuber root,

3. whole plant.

20221115_094825-01-01.jpeg

20221115_220346-01-01.jpeg

20221115_180704-01-01.jpeg

J.M. Garg

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Nov 21, 2022, 4:13:14 AM11/21/22

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Thanks a lot, Nitin ji, for the wonderful addition.

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