1. Lablab purpureus
  2. Lactuca floridana
  3. Lactuca graminifolia
  4. Lactuca muralis
  5. Lactuca perennis
  6. Lactuca saligna
  7. Lactuca sativa
  8. Lactuca tatarica
  9. Lactuca viminea
  10. Lactuca virosa
  11. Lallemantia canescens

12.Lamium album

13.Lamium amplexicaule

14.Lamium galeobdolon

  1. Lamium maculatum

16.Lamium purpureum

  1. Lanaria lantana

18.Lapsana communis

19.Laserpitium latifolium

  1. Lathraea squamaria

21.Lathyrus angulatus

  1. Lathyrus aphaca
  2. Lathyrus cicera
  3. Lathyrus clymenum
  4. Lathyrus hirsutus
  5. Lathyrus latifolius
  6. Lathyrus nissolia
  7. Lathyrus odoratus
  8. Lathyrus palustris
  9. Lathyrus pratensis

31.Lathyrus sativus

  1. Lathyrus sylvestris
  2. Lathyrus tingitanus
  3. Lathyrus tuberosus
  4. Lathyrus vernus
  5. Laurus nobilis
  6. Lavandula dentata
  7. Lavandula multifida
  8. Lavatera arborea
  9. Lavatera cretica

41.Lavatera thuringiaca

  1. Lavatera trimestris
  2. Lawsonia inermis
  3. Lemna gibba
  4. Lemna minor
  5. Lemna trisulca
  6. Leonotis nepetifolia
  7. Leonurus cardiaca
  8. Leonurus sibiricus
  9. Leopoldia comosa
  10. Lepidium campestre
  11. Lepidium draba
  12. Lepidium latifolium
  13. Lepidium perfoliatum
  14. Lepidium ruderale
  15. Lepidium sativum
  16. Lepidium virginicum
  17. Lesser celandine
  18. Lettuce
  19. Leucanthemum vulgare

61.Leucojum vernum

  1. Leucospermum hypophyllocarpodendron
  2. Leymus arenarius
  3. Liatris spicata
  4. Ligusticum scoticum
  5. Ligustrum vulgare
  6. Lilium bulbiferum
  7. Lilium canadense
  8. Lilium candidum
  9. Lilium chalcedonicum
  10. Lilium martagon
  11. Lilium pomponium
  12. Lilium superbum
  13. Lily of the valley
  14. Limodorum abortivum
  15. Limosella aquatica
  16. Linaria dalmatica
  17. Lindera benzoin
  18. Lindernia dubia
  19. Linnaea borealis

81.Linum campanulatum

  1. Linum catharticum
  2. Linum flavum
  3. Linum narbonense
  4. Linum perenne
  5. Linum usitatissimum
  6. Lipandra polysperma
  7. Liparis liliifolia
  8. Liquidambar styraciflua
  9. Liquorice

91.Liriodendron tulipifera

  1. Lithospermum arvense
  2. Lithospermum officinale
  3. Lithospermum purpurocaeruleum
  4. Lobelia cardinalis
  5. Lobelia dortmanna
  6. Lobelia erinus
  7. Lobelia inflata
  8. Lobelia kalmii
  9. Lobelia siphilitica
  10. Lobelia urens
  11. Lobularia maritima
  12. Lolium perenne
  13. Lolium temulentum
  14. Long pepper
  15. Lonicera alpigena
  16. Lonicera caerulea
  17. Lonicera caprifolium
  18. Lonicera periclymenum
  19. Lonicera sempervirens
  20. Lonicera tatarica
  21. Lonicera xylosteum
  22. Lotus corniculatus
  23. Lotus maritimus
  24. Lotus tetragonolobus
  25. Ludwigia alternifolia
  26. Lunaria annua
  27. Lunaria rediviva
  28. Lupinus albus
  29. Lupinus angustifolius
  30. Lupinus luteus
  31. Lupinus perennis
  32. Luzula campestris
  33. Luzula pilosa
  34. Luzula spicata
  35. Lychnis chalcedonica
  36. Lychnis flos-cuculi
  37. Lycium barbarum
  38. Lycopodium annotinum
  39. Lycopodium clavatum
  40. Lycopodium obscurum
  41. Lycopus europaeus
  42. Lycopus virginicus
  43. Lysichiton camtschatcensis
  44. Lysimachia ciliata
  45. Lysimachia minima
  46. Lysimachia monelli
  47. Lysimachia nemorum
  48. Lysimachia nummularia
  49. Lysimachia punctata
  50. Lysimachia quadrifolia
  51. Lysimachia terrestris
  52. Lysimachia thyrsiflora
  53. Lysimachia vulgaris
  54. Lythrum hyssopifolia
  55. Lythrum portula
  56. Lythrum salicaria

 

 

 

Larrea divaricata

Chaparral  (Larrea divaricata) and L. tridentata

  • Usage: lots of things, including treating cancer.<wiki/List_of_medicinal_plants#cite_note-chaparral-61"> L. tridentata is often an ingredient in the quack cancer cure Cansema.
  • Harmful effects: Chaparral is not effective for cancer and not known to be effective for anything else, either.<wiki/List_of_medicinal_plants#cite_note-chapcancer-62"> One CAM site claims it's good for lots of unrelated illnesses and only has "temporary unpleasant side effects",<wiki/List_of_medicinal_plants#cite_note-chaparral-61"> but, actually, it can cause fatal liver damage and kidney failure.<wiki/List_of_medicinal_plants#cite_note-chapcancer-62"> Other side effects may include fatigue, stomach pain, diarrhea, weight loss, fever, itching, rash, and allergic reactions.<wiki/List_of_medicinal_plants#cite_note-chapcancer-62"> Despite the title of that old cowboy serial, Chaparral cannot get you high.

 

Lobelia inflata

  • Lobelia  (Lobelia inflata)
  • Used for: Asthma, bronchitis, cough, and smoking cessation.<wiki/List_of_medicinal_plants#cite_note-theherbbook-7"><wiki/List_of_medicinal_plants#cite_note-lob-148"> Not enough studies have been done to verify lobelia's effectiveness for any of these.
  • Harmful effects: Side effects may include profuse sweating, nausea, vomiting, diarrhea, tremors, rapid heartbeat, mental confusion, convulsions, hypothermia, coma, and death.<wiki/List_of_medicinal_plants#cite_note-lob-148"> It's not called Indian Tobacco for nothing.
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