1. Radish
  2. Randia aculeata
  3. Ranunculus abortivus
  4. Ranunculus aconitifolius
  5. Ranunculus acris
  6. Ranunculus aquatilis
  7. Ranunculus arvensis
  8. Ranunculus asiaticus
  9. Ranunculus auricomus
  10. Ranunculus bulbosus
  11. Ranunculus ficaria

12.Ranunculus flammula

13.Ranunculus glacialis

14.Ranunculus lapponicus

  1. Ranunculus muricatus

16.Ranunculus nivalis

  1. Ranunculus repens

18.Ranunculus sceleratus

19.Rapeseed

  1. Raphanus raphanistrum

21.Raphanus sativus

  1. Rauvolfia tetraphylla
  2. Redcurrant
  3. Reseda alba
  4. Reseda lutea
  5. Reseda luteola
  6. Reseda phyteuma
  7. Retama monosperma
  8. Rhamnus alaternus
  9. Rhamnus cathartica

31.Rhamnus frangula

  1. Rheum rhabarbarum
  2. Rheum rhaponticum
  3. Rheum ribes
  4. Rhexia mariana
  5. Rhexia virginica
  6. Rhizophora mangle
  7. Rhodiola rosea
  8. Rhododendron ferrugineum
  9. Rhododendron hirsutum

41.Rhododendron lapponicum

  1. Rhododendron maximum
  2. Rhododendron viscosum
  3. Rhubarb
  4. Rhus copallina
  5. Rhus coriaria
  6. Rhus glabra
  7. Rhynchospora alba
  8. Rhynchostylis retusa
  9. Ribes alpinum
  10. Ribes cynosbati
  11. Ribes grossularia
  12. Ribes nigrum
  13. Ribes oxyacanthoides
  14. Ribes rubrum
  15. Ribes uva-crispa
  16. Ricinus
  17. Ricinus communis
  18. Rivina humilis
  19. Robinia pseudoacacia

61.Rorippa palustris

  1. Rosa canina
  2. Rosa carolina
  3. Rosa gallica
  4. Rosa sempervirens
  5. Rosa villosa
  6. Roselle (plant)
  7. Rosemary
  8. Rosmarinus officinalis
  9. Rostraria cristata
  10. Rotala ramosior
  11. Rubia peregrina
  12. Rubia tinctorum
  13. Rubus arcticus
  14. Rubus caesius
  15. Rubus canadensis
  16. Rubus chamaemorus
  17. Rubus hispidus
  18. Rubus idaeus
  19. Rubus moluccanus

81.Rubus occidentalis

  1. Rubus odoratus
  2. Rubus parvifolius
  3. Rubus saxatilis
  4. Rudbeckia hirta
  5. Rudbeckia laciniata
  6. Rudbeckia triloba
  7. Ruellia tuberosa
  8. Rumex acetosa
  9. Rumex acetosella

91.Rumex alpinus

  1. Rumex crispus
  2. Rumex maritimus
  3. Rumex obtusifolius
  4. Rumex patientia
  5. Rumex pulcher
  6. Rumex scutatus
  7. Ruppia maritima
  8. Ruscus aculeatus
  9. Ruscus hypoglossum
  10. Ruta graveolens
  11. Ruta patavina
  12. Rutabaga
  13. Rye

 

Ranunculus ficaria

  • Lesser Celandine  (Ranunculus ficaria)
  • A buttercup-like plant unrelated to the greater celandine, one of the poppy family
  • Usage: treating piles
  • Harmful effects: rare cases of hepatitis after use.<wiki/List_of_medicinal_plants#cite_note-58">

 

  • Chamomile  or camomile (Asteraceae  family)
  • Usage: Vaginal steaming
  • There are many species called chamomile, each with some level of distinct chemical properties. Despite this, chamomile is routinely treated as a single herb and proscribed as such.<wiki/List_of_medicinal_plants#cite_note-UMMRomanchamomile-59"><wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60"> The two most common species are:
  • Two species are most commonly used, Matricaria nobilis (Roman chamomile) and M. chamomilla (German chamomile)<wiki/List_of_medicinal_plants#cite_note-theherbbook-7">

 

 

Rubia tinctorum

  • Madder root  (Rubia tinctorum)
  • Used as: an "astringent diuretic, emmenagogue", and claimed to be good for many conditions, including alkaline urine, diarrhea, inflammation, wounds, broken bones, fever, and many others.<wiki/List_of_medicinal_plants#cite_note-theherbbook-7"><wiki/List_of_medicinal_plants#cite_note-149"><wiki/List_of_medicinal_plants#cite_note-150"><wiki/List_of_medicinal_plants#cite_note-151"> There is no evidence to support the use of madder root for any of these conditions.<wiki/List_of_medicinal_plants#cite_note-madder-152"> The root is used in Ayurveda and Hildegard medicine. Madder root is also used for dyeing fabrics.
  • Harmful effects: May cause cancer, birth defects, and miscarriages.<wiki/List_of_medicinal_plants#cite_note-madder-152"> It can also make urine, saliva, perspiration, tears, and breast milk turn red. One wonders if happier root would be any better. An extract of madder root, used as a food coloring in Japan, was found to cause liver cancer in rats.<wiki/List_of_medicinal_plants#cite_note-153">

 

 

Rosmarinus officinalis

  • Rosemary  (Rosmarinus officinalis)
  • In TCM: mí dié xiāng (迷迭香)
  • Used in: vaginal steaming
  • Claimed to: solve digestion problems, heartburn, flatulence, liver and gallbladder problems, lack of appetite, gout, coughing, headaches, high blood pressure, and age-related memory loss. No such effects have been proven.<wiki/List_of_medicinal_plants#cite_note-WebMDRosemary-184"><wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Beneficial effects:
  • Lab work shows rosemary has antioxidant properties.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Studies suggest long-term rosemary use may prevent thrombosis  in humans.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Studies suggest rosemary may neutralize several foodborne pathogens.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • One (one, badly designed, and small) study suggests rosemary, if used topically on the head, may help hair regrowth.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Two studies (small, aromatherapy, not compared to placebo) suggest it may help reduce stress.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Improved speed and accuracy on a test for a study of a sample people when scent was inhaled.<wiki/List_of_medicinal_plants#cite_note-186">
  • Contains antioxidants  carnosic acid  and carnosol .<wiki/List_of_medicinal_plants#cite_note-187"><wiki/List_of_medicinal_plants#cite_note-188"><wiki/List_of_medicinal_plants#cite_note-189"> No proven resulting benefits, however.
  • Is a little spicy and smells nice.<wiki/List_of_medicinal_plants#cite_note-WebMDRosemary-184"><wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Harmful effects:
  • Is probably safe if the leaf itself is eaten; is rated as Generally Recognized as Safe in the U.S.;<wiki/List_of_medicinal_plants#cite_note-AmerPregRosemary-190"> the German Commission E has approved it.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • May impact blood clotting.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • May impact ACE inhibitors, taken for high blood pressure.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Is diuretic .<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • May impact blood-sugar levels.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Large quantities of rosemary leaves can cause vomiting, spasms, comas, and pulmonary edema .<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Large quantities of rosemary leaves may increase menstrual blood-flow and can cause miscarriage and is rated Possibly UnSafe in the U.S. Even while pregnant, however, it is safe to eat as a spice in food.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185"><wiki/List_of_medicinal_plants#cite_note-191">
  • "People with high-blood pressure, ulcers, Crohn's disease, or ulcerative colitis should not take rosemary."<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">
  • Rosemary oil may be toxic if consumed orally.<wiki/List_of_medicinal_plants#cite_note-UMMRosemary-185">

 

 

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