TAXONOMIC DOCUMENTATION OF PTERIDOPHYTES OF KONNI PANCHAYATH (PATHANAMTHITTA DISTRICT), KERALA

JITHY M.T.

Supervised by,Dr. THOMAS V. P.

CATHOLICATE COLLEGEPATHANAMTHITTA

DEPARTMENT OF BOTANY

INTRODUCTION

• ‘Vascular Cryptogams’

• Differentiated into roots, stem and

fronds

• Reproduce by means of spores

• Variety of habitats

• Intermediate between bryophytes and

higher land plants

AREA OF STUDY

• Konni Panchayath of

Pathanamthitta District,

Kerala

• 41.45 km2

• 18 wards

• Evergreen forest area-2

METHODOLOGY

• Collection of specimen

• Morphological analysis

• Identification of specimen

• Preparation of herbarium

• Preparation of illustrations and plates

• Consultation of other herbaria

Sl. No. Name of the Family Name of genus Name of species

1. ADIANTACEAE 1. Adiantum 1. Adiantum caudatum2. Adiantum incisum3. Adiantum latifolium4. Adiantum philippense

2. ANGIOPTERIDACEAE 2. Angiopteris 5. Angiopteris evecta

3. AZOLLACEAE 3. Azolla 6. Azolla pinnata4. BLECHNACEAE 4. Blechnum

5. Stenochlaena7. Blechnum colensoi8. Stenochlaena palustris

5. DENNSTAEDTIACEAE 6. Microlepia 9. Microlepia speluncae

6. DRYOPTERIDACEAE 7. Tectaria 10. Tectaria coadunata

7. GLEICHENIACEAE 8. Dicranopteris 11. Dicranopteris linearis

8. HEMIONITIDACEAE 9. Hemionitis10. Pityrogramma

12. Parahemionitis cordata13. Pityrogramma calomelanos

9. LINDSAEACEAE 11. Lindsaea 14. Lindsaea ensifolia

PTERIDOPHYTE FLORA OF KONNI PANCHAYATH

10. LYGODIACEAE 12.Lygodium 15. Lygodium flexuosum

11. MARSILEACEAE 13.Marsilea 16. Marsilea minuta

12. NEPHROLEPIDACEAE 14.Nephrolepis 17. Nephrolepis auriculata18. Nephrolepis sp.

13. PARKERIACEAE 15.Ceratopteris 19. Ceratopteris thalictroides

14. POLYPODIACEAE 16.Drymoglossum17.Drynaria18.Pyrrosia

20.Drymoglossum heterophyllum21. Drynaria quercifolia22. Pyrrosia lanceolata

15. PTERIDACEAE 19.Pteris 23. Pteris confusa24. Pteris otaria25. Pteris vittata

16. SALVINIACEAE 20.Salvinia 26. Salvinia molesta

17. SELAGINELLACEAE 21.Selaginella 27. Selaginella delicatula

18. SINOPTERIDACEAE 22.Cheilanthes 28. Cheilanthes tenuifolia

19. THELYPTERIDACEAE 23.Christella24.Cyclosorus

29. Christella dentata30. Cyclosorus interruptus

Selaginella delicatula (Desv.) Alston

Angiopteris evecta (Forst.) Hoff

Dicranopteris linearis (Burm.f.)

Drymoglossum heterophyllum (L.)

Drynaria quercifolia (L.)

Pyrrosia lanceolata Farewell

Lygodium flexuosum (L.)

Cheilanthes tenuifolia (Burm.f) Sw.

Pteris confusa T.G. Walker

Pteris otaria Beddome

Pteris vittata L.

Tectaria coadunata (J. Sm.) C. Chr.

Adiantum caudatum L.

Adiantum incisum Forssk.

Adiantum latifolium Lam.

Adiantum philippense L.

Parahemionitis cordata Roxb. ex Hook. & Grev.

Pityrogramma calomelanos (L.) Link

Ceratopteris thalictroides (L.) Brong.

Marsilea minuta L.

Microlepia speluncae (L.) Moore

Lindsaea ensifolia Sw.

Christella dentata (Forssk.) Brownsey & Jermy

Cyclosorus interruptus (Willd.) H.

Nephrolepis auriculata (L) Trimen

Nephrolepis sp.

Blechnum colensoi (Hook.f.) Wakef.

Stenochlaena palustris (Burm.) Beddome

Azolla pinnata R. Br.

Salvinia molesta D. Mitch.

DISCUSSION

PTERIDOPHYTE FLORA OF KONNI PANCHAYATH

• 30 species, 24 genera under 19

families

• 3 main classes:-Lycopsida-1,

Marattiopsida-1 and Filicopsida-

28

3% 3%

93%

CLASS

Lycopsida

Marattiopsida

Filicopsida

HABITAT

• Terrestrials-23 species, aquatic-4 species and epiphytic-3 species

77%

13%

10%

Terrestrial

Aquatic

Epiphytic

ECONOMICALLY IMPORTANT PLANTS

• Medicinal-13 spp., food-3spp., ornamentals-3spp., fodder-4spp., waste treatment-3spp., weeds-2spp., phytoremediation-1sp. and paper industry-1sp.

43%

10%10%

13%

10%

7%

3%3%

Medicinal

Food

Ornamental

Fodder

Waste treatment

Weeds

Phytoremediation

Paper industry

• 30 species, 24 genera under 19 families

• Tissue culture

• Pteridophyte biosphere reserves

• Preparation of Panchayath level

biodiversity registers and flora of

pteridophytes in Kerala

CONCLUSION