Introduction to Asteraceae or Compositae family .pptx

Compositae or Asteraceae

1. Asteraceae A. J. Rama Rao

2. Compositae

3. Artemisia vulgaris మాచిపత్రి

4. Arnica montana ఆర్నికా

5. Chrysanthemum indicum చామంతి

6. Cichorium intybus చికోరీ

7. Cosmos sulphureus కాస్మోస్

8. By J.M.Garg - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=7606450 Eclipta prostrata గుంటకలగరాకు

9. Zinnia bidens

10. Vernonia cinerea సహదేవి

11. Xanthium strumarium మరుల మాతంగి

12. Helianthus annuus

13. By Minghong - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=4030608 Ageratum conyzoides

14. Helianthus tuberosus Jerusalem Artichoke

15. Lactuca sativa lettuce

16. By Forest & Kim Starr, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=6142749 Parthenium hysterophorus వయ్యారి భామ

17. Tridax procumbens గడ్డి చామంతి

18. Tagetus patula

19. By Mark Marathon - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=63122329 Sphaeranthus indicus బోడసరం

20. Taraxacum officinale (Dandelion)

21. Solidago Canadensis Golden rods

22. Dahlia డాలియా

23. Bentham & Hooker Dicotyledonae Gamopetalae Inferae Asterales Compositae

24. Engler & Prantl Dicotyledonae Sympetalae Campanulales Asteraceae

25. Largest family in Dicots 30,000 species cosmopolitan

26. Habit & Habitat Mostly herbs, annual or perennial Few shrubs and trees eg ; Vernonia arborea Mostly mesophytes Few x erophytes- eg ; Halophyllum Few hydrophytes- eg ; Eclipta

27. Root System Tap root system Root-tubers in Dahlia

28. Stem Aerial, erect or prostrate, branched, cylindrical Mostly herbaceous Hairy Latex present Stem-tubers in Helianthus tuberosus

29. Leaf Simple Alternate, rarely opposite- Helianthus , whorled-Eupatorium Exstipulate

30. Inflorescence పుష్పవిన్యాసం Head or capitulum శీర్షవత్ పుష్పవిన్యాసం Large number of small sessile flowers called florets are closely grouped on a disc-like receptacle Homogamous head: tubular florets — Blumea Homogamous head: ligulae florets - Ageratum, Vernonia Heterogamous head- - Tridax

31. చక్ర పుష్పకాలు కిరణ పుష్పకాలు

32. Flower Bracteate , ebracteolate , pentamerous , epigynous Commonly disc florets are actinomorphic, bisexual Commonly Ray florets are zygomorphic, unisexual.

33. Calyx Reduced to pappus Whorl of persistent hairs

34. Corolla Petals 5, gamopetalous Valvate aestivation

35. Androecium Stamens 5 Epipetalous Syngenesious Anthers dithecous , basifixed , introrse

36. Gynoecium Bicarpellary , syncarpous , unilocular , inferior ovary One basal anatropous ovule Style terminal Stigma bifid

37. Fruit Cypsela Crowned by persistent hairy pappus Parachute mechanism Xanthium-- hooks

38. Pollination Mostly Entomophily Anemophily in Artemisia, Xanthium Safety mechanism

39. Economic Importance Ornamental Oil Food Medicine Weeds

40. Distinguishing Characters Mostly annual herbs Leaves simple,exstipulate,alternate or opposite Head inflorescence Calyx reduced to pappus Syngenesious anthers Bicarpellary,syncarpous,Inferior ovary Basal placentation Cypsela fruit

41. Artemisia vulgaris మాచిపత్రి

42. Arnica montana ఆర్నికా

43. Chrysanthemum indicum చామంతి

44. Cichorium intybus చికోరీ

45. Cosmos sulphureus కాస్మోస్

46. By J.M.Garg - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=7606450 Eclipta prostrata గుంటకలగరాకు

47. Zinnia bidens బంగాళా బంతి

48. Vernonia cinerea సహదేవి

49. Xanthium strumarium మరుల మాతంగి

50. Helianthus annuus పొద్దు తిరుగుడు

51. By Minghong - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=4030608 Ageratum conyzoides

52. Helianthus tuberosus Jerusalem Artichoke

53. Lactuca sativa lettuce

54. By Forest & Kim Starr, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=6142749 Parthenium hysterophorus వయ్యారి భామ

55. Tridax procumbens గడ్డి చామంతి

56. Tagetus patula

57. By Mark Marathon - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=63122329 Sphaeranthus indicus బోడసరం

58. Taraxacum officinale (Dandelion)

59. Solidago Canadensis Golden rods

60. Dahlia డాలియా