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Table 25 (Nat., Reserve)

Threatened Species of Flora in Sri Lanka

Nat25e

Family

No of Species

Threatened

Highly Threatened

Highly Threatened (Recently)

Highly Threatened (Not Recorded After 1900)

Endemic Species

Acanthaceae

12

-

6

2

4

10

Amaranthaceae

4

-

1

1

2

2

Anacardiaceae

4

1

3

-

-

4

Annonaceae

12

6

2

-

4

8

Apocynaceae

6

3

2

-

1

3

Aponogetonaceae

3

1

2

-

-

-

Apostssiaceae

1

-

1

-

-

-

Araceae

20

2

14

2

2

17

Araliaceae

1

-

1

-

-

-

Asclepiadaceae

23

5

10

-

8

6

Balanophoraceae

1

-

1

-

-

-

Balsaminaceae

20

12

6

2

-

16

Begoniaceae

3

1

2

-

-

1

Bombacaceae

1

1

-

-

-

-

Boraginaceae

3

-

1

1

1

-

Burmanniaceae

2

-

-

1

1

1

Campanulaceae

2

-

-

-

2

-

Capparidaceae

6

5

1

-

-

-

Caryophyllaceae

2

1

-

-

1

-

Celastraceae

5

2

2

-

1

3

Clusiaceae

14

8

6

-

-

14

Combretaceae

1

-

1

-

-

-

Commelinaceae

1

1

-

-

-

1

Compositae

19

3

7

4

5

10

Connaraceae

1

-

1

-

-

1

Convolvulaceae

9

1

4

-

4

2

Crassulaceae

1

-

-

1

-

-

Cucurbitaceae

2

1

-

-

2

-

Cyperaceae

18

-

10

-

8

6

Dilleniaceae

3

-

2

-

1

3

Dioscoreaceae

-

-

2

-

-

2

Dipterrocarpaceae

53

26

27

-

-

53

Ebenaceae

23

10

13

-

-

20

Elaeocarpaceae

2

1

1

-

-

2

Eriocaulaceae

5

1

4

-

-

2

Euphorbiaceae

21

3

11

1

6

11

Gentianaceae

5

3

-

1

1

3

Geraniaceae

1

1

-

-

-

-

Gesneriaceae

8

-

8

-

-

7

Goodeniaceae

1

-

1

-

-

-

Haloragaceae

1

-

1

-

-

-

Hippocratiaceae

4

4

-

-

-

-

Hydrocharitaceae

1

1

-

-

-

-

Icacinaceae

1

1

-

-

-

-

Lamiaceae

8

-

4

4

3

5

Lamiaceae ( Labiatae )

8

5

2

2

-

6

Leguminosae

44

4

6

5

29

4

Lemnaceae

1

-

-

-

1

-

Lentibulariaceae

1

1

-

-

-

-

Liliaceae

3

3

-

-

-

-

Loranthaceae

12

3

9

-

-

10

Malvaceae

5

2

2

-

1

2

Melastomataceae

20

3

12

-

5

20

Menispermaceae

1

1

-

-

-

-

Menyanthaceae

1

-

1

-

-

-

Moraceae

5

1

2

1

1

1

Myrtaceae

26

14

11

1

-

18

Oleaceae

2

1

1

-

-

-

Orchidaceae

116

68

42

-

6

63

Orobanchaceae

3

-

-

1

2

1

Palmae

9

3

6

-

-

9

Podostemaceae

6

3

2

-

1

2

Polygalaceae

1

-

-

-

1

-

Portulacaceae

1

1

-

-

-

-

Proteaceae

1

-

1

-

-

1

Rhizophoraceae

1

-

1

-

-

-

Rosaceae

2

-

1

-

1

1

Roxburghiaceae

1

-

1

-

-

-

Rubiaceae

24

4

14

1

5

21

Rutaceae

4

2

2

-

-

1

Sapindaceae

3

2

1

-

-

2

Saportaceae

4

3

1

-

-

4

Scrophulariaceae

3

-

-

-

3

1

Surianaceae

1

-

-

-

1

-

Sonneratiaceae

1

-

1

-

-

-

Sterculiaceae

4

3

1

-

-

2

Stylidiaceae

1

-

-

1

-

-

Symplocaceae

3

1

2

-

-

2

Symphoremaceae

1

-

-

-

1

-

Taccaceae

1

-

1

-

-

-

Theaceae

1

1

-

-

-

1

Thymelaeaceae

1

-

-

-

1

-

Tiliaceae

2

-

1

-

1

1

Triuridaceae

4

-

-

-

4

3

Umbelliferae

3

1

-

-

2

2

Urticaceae

3

-

-

-

3

1

Vahliaceae

1

-

1

-

-

-

Verbenaceae

5

-

4

-

1

2

Violaceae

1

-

1

-

-

1

Viscaceae

5

2

3

-

-

2

Zingiberaceae

8

-

4

-

4

7

© ２００４， KRI (Kusaka Research Institute)

Source:

Statistical Compendium on Natural Resources Management Sri Lanka 2000,

Ministry of Forestry & Environment

Revised: 2003(y)/12(m)/01(d)

Chief Editor:

Dr. Milton Rajaratne (B.Com., M.Sc., Ph.D.)

The former Former Head, Department of Management Studies

University of Peradeniya, Sri Lanka