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
