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1. Botanical name |
Rheum webbianum Royle |
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2. Synonym(s) |
- |
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3. Family |
Polygonaceae
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4. Taxonomic status |
Species
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5. Vernacular names |
Archa
, Revandchini, Chunkri, Dolu |
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6. Habit |
Perennial
herb |
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7. Habitat |
Endemic
to Western Himalayas. Endangered, rocky slopes, Betula forests, Central and
Western Alpine Himalayas, Shrubberies, moist slopes |
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8. Original global distribution |
Pakistan,
India, Nepal |
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9. Current regional distribution |
Himachal Pradesh |
Marhi (Kullu), Chamba, Delinj Garanj (Kinnaur),
Sangla |
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Jammu & Kashmir |
Chinar valley, Zanskari, Deorang |
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Uttaranchal |
Nilang (Uttarkashi Dt.) |
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10. Elevation range (m) |
2,500
– 4,300 |
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11. Population
Reduction – PR |
States
|
<
30% |
30
to <49% |
50
to < 80% |
³
80% |
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Himachal Pradesh |
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ü |
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Jammu & Kashmir |
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ü |
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Uttaranchal |
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ü |
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Data quality |
2,
3
|
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11 a. Time/Rate
(years/generations) |
10
years |
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12. Extent of Occurrence –
EOO |
>20, 000 Km2
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13. Area of Occupancy –
AOO |
> 2,000 Km2 |
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14. No. of locations / sub-populations |
Himachal Pradesh |
Jammu
& Kashmir |
Uttaranchal |
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5 |
3 |
Many |
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14 a. Data quality |
2,
3
|
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15. Threats |
Hm
(Harvest for medicine), Lf (Loss of Habitat), T
(Trade) |
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16. Trade |
Name(s) |
Ravand
chini
|
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Level(s) |
Local
ü |
Regional
ü |
National
ü |
Global
ü |
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Parts traded |
Roots
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Effect on population |
Declining
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Data quality |
3 |
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17. Other comments |
Revandchini
needs attention for conservation because it is collected from wild |
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18. Recent field studies |
·
Mr. B.S. Rana (Pin Valley NP, 92-95) ·
Dr. Brijlal - Lahual and Spiti, ·
Dr.P.B. Singh - Lahual and Spiti, Mandi ·
Mr. B.C. Thakur (90-98) HP - Lahual-Spiti |
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19.
Status |
Himachal Pradesh |
Jammu & Kashmir |
Uttaranchal |
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- CITES |
- |
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- Legislation |
- |
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- Criteria based on |
VU
(A 2 c, d) |
VU
(A 2 c, d) |
EN
(A 2 c, d) |
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- IUCN |
VU (G) |
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20.
% of global presence |
50 –60 % |
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21.
Existing Conservation measures |
Found
within the high altitude PAs of Uttaranchal
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22.
Is the presence of taxon continuous with neighbouring areas ? |
-
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23.
Are the outside populations also under similar threats / pressures? |
-
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24.
Recommendations |
- |
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Research / Management |
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a) in situ |
Jammu
&Kashmir – Zanskari, Deorang, Chinar valley Himachal
Pradesh – Pangi Uttaranchal
– Nilang (Uttarkashi Dt.) |
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b) ex situ |
- |
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i) Cultivation |
- |
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ii) Level of difficulty in propagation / cultivation |
2
(Moderately difficult) |
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25.
Existing cultivation- |
- |
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26.
Previous assessment |
- |
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27.
Data sources (Including literature) |
B.S.
Rana, Long term vegetation monitoring project in Pin valley National Park,
Spiti, 1993-96 |
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28.
Compilers |
Rekha Naithani, N.K. Bhardwaj, Kailash Sharma, R.
K. Verma, Vaneet Jishtu, Rajender Kumar, Ranjit Rawat (Recorder), N. S.
Chauhan (Facilitator), Vinay Tandon, H. K. Badola |
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29.
Reviewers |
H. B. Naithani, S. S. Samant, M. C. Nautiyal, V.
P. Bhat, S. K. Murti, G. A. Kinhal, R. Vijaya Sankar |
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