The document lists the botanical names, families, common names, habits and life cycles of various weeds. It includes 22 different weeds, describing each with their botanical name, family, common name, habit and sometimes additional details like morphological characters, importance in agriculture, propagation and control methods.

1. WEEDS

2. Wathupalu BOTANICAL NAME : Mikania micrantha FAMILY : Asteraceae COMMON NAME : Wathupalu HABIT : Herb

3. Hulanthala BOTANICAL NAME : Agerotum conyzoides FAMILY : Compositae COMMON NAME : Hulanthala

4. Pethi thora BOTANICAL NAME : Cassia tora FAMILY : Fabaceae COMMON NAME : Pethi Thora HABIT : Herb

5. Karal Haba BOTANICAL NAME : Achyranthus aspera FAMILY : Amaranthaceae COMMON NAME : Karal Haba HABIT : Herb

6. Wal penela BOTANICAL NAME : Cardiospermum halicacabum FAMILY : Sapindaceae COMMON NAME : Wal Penela HABIT : Creeper LIFE CYCLE : Annual

7. Balu naguta BOTANICAL NAME : Stachytarpheta indica FAMILY : Verbenaceae COMMON NAME : Balu Naguta HABIT : Herb

8. Apala BOTANICAL NAME : Urena lobata FAMILY : Malvaceae COMMON NAME : Apala HABIT : Herb

9. BOTANICAL NAME : Alternanthera sessilis FAMILY : Amaranthaceae COMMON NAME : Mukunuwenna HABIT : Herb

10. BOTANICAL NAME : Celosia asiatica FAMILY : Amaranthaceae COMMON NAME : Walraja Pohottu HABIT : Herb LIFE CYCLE : Annual

11. BOTANICAL NAME : Lantana camara FAMILY : Verbinaceae COMMON NAME : Gandapana HABIT : Herb LIFE CYCLE : Perennial

12. BOTANICAL NAME : Scoparia dulcis FAMILY : Scrophulariaceae COMMON NAME : Wal Koththamalli HABIT : Herb LIFE CYCLE : Annual

13. BOTANICAL NAME : Sida occuta FAMILY : Heen Babila COMMON NAME : Malvaceae

14. BOTANICAL NAME : Clemoe viscosa FAMILY : Capparidaceae COMMON NAME : Wal Aba (Kurunagala) Walwela (Kaluthara) HABIT : Herb LIFE CYCLE : Annual

15. Clemoe spinosa

17. BOTANICAL NAME : Tridax procumbens FAMILY : Asteraceae COMMON NAME : Kurunegala Desi HABIT : Herb LIFE CYCLE : Annual Plant

18. BOTANICAL NAME : Centella asiatica COMMON NAME : Gotukola LIFE CYCLE : Annual Plant

19. BOTANICAL NAME : Vernonia ceneria FAMILY : Asteraceae COMMON NAME : Monerekudumbiya HABIT : Herb LIFE CYCLE : Annual

20. Wal Rubber BOTANICAL NAME : Euphorbia heterophylla FAMILY : Euphorbiaceae COMMON NAME : Wal Rubber HABIT : Herb

21. Sudupitawakka

22. redroot pigweed Showing newest posts with label Amaranthaceae . Show older posts Showing newest posts with label Amaranthaceae . Show older posts Friday, December 14, 2007 Kurathampala BOTANICAL NAME : Amaranthus viridis FAMILY : Amaranthaceae COMMON NAME : Kurathampala HABIT : Herb LIFE CYCLE : Pale green MORPHOLOGICAL CHARACTERS : Flowers are Pale green. Branched errect Herb. Flowering throughout the year. Top root system. AGRICULTURE IMPORTANCE : valuable medicine. Nutritious food contain iron. A harmless weed. PROPAGATION METHOD : By seeds METHOD OF CONTROL : By Hand weeding or herbicides.

23. BOTANICAL NAME : Desmodium triflorum FAMILY : Fabaceae COMMON NAME : Heen Undupiyaliya HABIT : Creepy Herb MORPHOLOGICAL CHARACTERS : Flowers are bright purple. Sub arial stem & runners run and spread all over the land. This herb creeping along the nodes. Leaves are like conic trilateral. Side is being consisted of a leaf is attached to the stalk. AGRICULTURE IMPORTANCE : Compete with crops for essential requirements. Valuable Medicine. Animal Feed. Gives Nitrogen to soil. PROPAGATION METHOD : By seeds or runners. METHOD OF CONTROL : By mammoting.

24. BOTANICAL NAME : Euphorbia hiria FAMILY : Euphorbiaceae COMMON NAME : Kapumkeeriya HABIT : Herb LIFE CYCLE : An annual plant. MORPHOLOGICAL CHARACTERS : Flowers are White. Branched up words from the group level. Reddish or purple edge. When the plant is broken milky juice comes out. AGRICULTURE IMPORTANCE : Compete with crops for essential requirements. PROPAGATION METHOD : By seeds METHOD OF CONTROL : By mammoting or harrowing.

25. BOTANICAL NAME : Mimosa pudica FAMILY : Fabaceae COMMON NAME : Nidikumba HABIT : Herb LIFE CYCLE : Perennial MORPHOLOGICAL CHARACTERS : Occationaly climbs up by nodules stem is Brownish in colour. Covered with hairs. Prickless leaves. It has more thorns. AGRICULTURE IMPORTANCE : Compete with crops for essential requirements. Can be seen in all parts of the country. PROPAGATION METHOD : By seeds METHOD OF CONTROL : By ploughing & harrowing.

26. 693 × 457 - Amaranthaceae: Gomphrena globosa

27. BOTANICAL NAME : Leucas zelanicus FAMILY : Labiatae COMMON NAME : Gata Thumba HABIT : Herb MORPHOLOGICAL CHARACTERS : Flowers are White. Flowers are lingks in shape. Leave & Stems having small hairs. Leafs are long and thin. Plant has a top root system. Contain small fruits. AGRICULTURE IMPORTANCE : Compete with crops for water, Nutrient & Space. It has rapped growth rate. PROPAGATION METHOD : By seeds METHOD OF CONTROL : By manual weeding or uprooting.

28. Kadupahara BOTANICAL NAME : Emilla sonchifolia FAMILY : Asteraceae COMMON NAME : Kadu Pahara HABIT : Herb LIFE CYCLE : An annual plant. MORPHOLOGICAL CHARACTERS : Flowers are pink. Contain lot of branches. Smooth leaves. 1.5 inch long & hairly stem. AGRICULTURE IMPORTANCE : Compete with crops like Rubber, Coconut for requirements. Not very harmful. PROPAGATION METHOD : By seeds or stolons. METHOD OF CONTROL : By plaughing, hand weeding or mammoting.

29. BOTANICAL NAME : Commelina beghalensis FAMILY : Commelinaceae COMMON NAME : Maha Girapala HABIT : Runners LIFE CYCLE : An annual or perennial plant. MORPHOLOGICAL CHARACTERS : Flowers are Blue. Flowers can be seen in the season. Leaves are wide. Plant has wide root system. Contain small fruits. AGRICULTURE IMPORTANCE : Compete with crops for essential requirements. They can prevent soil erosion because spread allover the ground covers it very well. PROPAGATION METHOD : By seeds or stolons. METHOD OF CONTROL : By manual weeding, uprooting, mammoting & using herbicides .

30. Wel karabu Ludwigia perenis L

31. Wel karabu-Ludwigia octovalvis Onagraceae

32. Monochoria vaginalis—Diya habarala

33. eichhornia crassipes

34. limnocharis flava

35. Maha girapala http://butterflies.heuristron.net/pictures/mainPage/plants/host/DSC09292.JPG

36. Heen girapala

37. sphaeranthus indicus L. sphaeranthus indicus L.

38. Wel siyabala

39. Wel anoda

40. Eclipta alba

41. Salvineae

42. Common purslane( Genda pala)

43. marsilea quadrifolia

44. Common purslane( Genda pala)

45. Tobacco

46. Thunbergia grandiflora

47. Thunbergia alata

48. Thunbergia erecta