|
Botanical
name |
Acorus calamus Linn. |
|
Synonym(s) |
Nil |
|
Family |
Araceae |
|
Vernacular
name(s) |
Vasakommu,
Vasa |
|
Trade
name(s) |
Bach,
Vasa, Vaja |
|
Taxonomic
status |
Species |
|
Habit |
Perennial
Herb |
|
Forest
Type & Microhabitat |
Moist
deciduous, Marshy |
|
Global distribution |
India,
Sri Lanka, Entire N. Hemisphere |
|
Regional distribution (Andhra Pradesh) |
Visakhapatnam
(Araku valley), Srikakulam
(G.Madugula, Kowsalya metta near Mandasa,
Medava – Polla near Donubay, Pilli budara singi.) |
|
Altitude
range (m) |
250
– 1 000 |
|
Range
(km2) (Extent of occurrence) |
Small
Pockets + 500 |
|
Area
of occupancy (km2 ) |
+
50 |
|
Population trends – a.
%
decline b.
Time
period |
>
10% 10
Years (3 Generations) |
|
No.
of locations |
Fragmented
No. 7 |
|
No.
of mature Individuals |
<
5 000 |
|
DATA
QUALITY: |
General
Field Studies |
|
QUALIFIER: |
Inferred |
|
UNCERTAINTY: |
Range
of opinion |
|
Recent
field studies |
Dr.
Hara Sriramulu & Dr. Venkaiah (Oct. 2000), Dr.
N. Venugopal & Dr. K. Hemadri (Dec. 2000), Mr.
Sanyasi Rao (Nov. 1999) |
|
Threats |
Hm, I, T, L |
|
Trade |
Local,
Regional |
|
Other
comments |
In
situ Conservation Needed, Since the plant is widely cultivated, the natural
Populations are not exposed to any threat. |
|
Status
assigned (IUCN) |
EN |
|
Criteria
based on |
B2
a, b (iii) |
|
CITES |
-- |
|
IWPA |
-- |
|
Recommendations: |
-- |
|
a.
Research & Management b.
P.H.V.A. c.
Cultivation or Captive
program recommendations d.
Level of difficulty e.
Existing cultivation |
T,
Hm No Level
– 1 Least
difficult 350
Acres under Cultivation |
|
Sources
(Published data) : |
Flora
of Srikakulam, Sacred Groves of A.P. |
|
Red
status in neighboring States (if
assessed) |
DD
– Karnataka, EN – Kerala, VU – Tamilnadu, NA – Maharashtra |
|
Contiguity
of Distribution with neighboring States (areas) |
Yes
Orissa |
|
Estimated
proportion of global presence in the region under assessment (% / range) |
< 1% |
|
Compilers |
Dr.
K. Hemadri, Dr. M. Venugopal, Dr. M. Venkhaiah, Dr. Hara Sriramulu, Dr.
Vijay Kumar, Mr. Sanyasi Rao, Mr. Ganapahi, Ms. Nancy. |
|
Reviewers |
Prof.
R.V.R. Raju, Dr. R.V. Reddy, Dr. P. Ashok, Dr. Ellis, Mr. Muniratnam, Mr.
Krishna Rao, Mr. Sivaraj, Ms. Pratima, Ms. Supria |