1. Other tree species are

2. Adansonia digitata (bombacaceae)

3. Mangifera indica (Anacardiaceae)

4. Parkia clappertoniana (mimosaceae)

5. Northern Guinea Savanna

6. Grass species in general only grow to 7 or 8ft in height.

7. Examples of species (tree) are:

8. Parkia clappertoniana (mimosaceae)

9. Protea elliottii (proteaceae)

10. Terminalia macroptera

11. Acacia gourmaensis

12. Combretum nigricans

13. Afzelia africana

14. Albizia zygia (mimosaceae)

15. Pseudopondias microcarpa (Anacardiaceae) terminalia glaucescens (combretaceae) khaya senegalensis meliaceae vitex doniana (Verbenaceae) understoryey species (including climbers) are dialum guineense (Caesalpiniaceae) morelia senegalensis (Rubiaceae) saba florida (Apocynaceae) opilia celtidifolia (oppiliaceae) afzelia Africana (Caesalpiniaceae)

16. Grazing keeps the grass short in rocky hills; peculiar species are Bombax costatum (Bombacaceae) steganotaenia (Umbelliferae)

17. Acacia ataxacantha combretum spp.

19. SUDAN SAVANNA

20. Considerably drier than the proceeding one
Considerably drier than the proceeding one. Average annual rainfall is ins, dry seasons lasting for seven months or more in a year with relative humidity as low as 25% during the dry season.

21. Tree species are mostly deciduous, with half of them being small leaved like the Acacia. About a quarter of the species are thorny in addition common species are:

22. Upper Storey

23. Balanites aegyptiaca (Zygophyllaceae)

24. Biospyros mespiliformis (Ebenaceae) Ficus plantyphylla (Moraceae)

25. Hyphaene thebaica (palmae)

26. Parkia clappertoniana

27. Adansonia digitata (Bombacaceae)

28. Khaya senegalensis (Meliaceae)

29. Tamarindus indica (Caesalpiniacea)

30. Azadiracta indica (Neem)- (meliaceae)

31. Lower Storey/Shrub Species

32. Anona senegalensis (Annonaceae)

33. Ziziphus mauritiana (Rhamnaceae)

34. Guiera senegalensis (Combretaceae)

35. Xeromphis nilotica (Rubiaceae)

37. Climbers

38. Acacia ataxacentha (Mimosaceae) combretum micraathum (Combretaceae)

39. Bush fire is very common barks are resistance

40. Sahel Savanna

41. Sometimes called (thorny plant) fine-leaved, commiphora africana

42. Acacia senegalensis, Acacia nilotica

43. Acacia laeta

44. Acacia seyal

45. Phoenix dactylifera (date palm) shrubs include

46. Calatropis procera (Asclepiadaceae)

47. Sahel savanna is found around Lake Chad region in Nigeria

48. Dicotyledonous families with petals free Almost free or Absent

49. Annonaceae

50. Combretaceae

51. Sterculiaceae

52. Malvaceae

53. Euphorbiaceae

54. Caesalpiniaceae

55. Mimosaceae

56. Papilionaceae

57. Moraceae

58. Meliaceae

59. Sapindaceae

60. Sapotaceae

61. Apocynaceae

62. Solanaceae

63. Convolualaceae

64. Bignoniaceae

65. Acanthaceae

66. Verbenaceae

67. Cucurbitaceae

68. Rubiaceae

69. Compositae