Encyclopedia of Medicinal Plants Uses and Identification




1.     Tabernaemontana alternifolia

2.     Tabernaemontana divaricata

3.     Taeniatherum caput-medusae

4.     Tagetes erecta

5.     Tagetes minuta

6.     Tagetes patula

7.     Tamarind

8.     Tamarindus indica

9.     Tamarix gallica

10.                        Tanacetum balsamita

11.                        Tanacetum vulgare

12.                        Tansy

13.                        Taprobanea spathulata

14.                        Tarchonanthus camphoratus

15.                        Tarragon

16.                        Taxus baccata

17.                        Tephrosia virginiana

18.                        Teucrium botrys

19.                        Teucrium chamaedrys

20.                        Teucrium fruticans

21.                        Teucrium marum

22.                        Teucrium polium

23.                        Teucrium scorodonia

24.                        Thalia geniculata

25.                        Thalictrum alpinum

26.                        Thalictrum aquilegiifolium

27.                       Thalictrum dioicum

28.                       Thalictrum flavum

29.                       Thalictrum minus

30.                      Thalictrum thalictroides

31.Thapsia villosa

32.                       Thelypteris noveboracensis

33.                       Theobroma cacao

34.                       Thlaspi arvense

35.                       Thuja occidentalis

36.                       Thymus pulegioides

37.                       Thymus serpyllum

38.                       Thymus vulgaris

39.                       Tiarella cordifolia

40.                      Tiarella trifoliata

41.Tilia americana

42.                       Tillandsia polystachia

43.                       Tillandsia recurvata

44.                       Tillandsia tenuifolia

45.                       Tillandsia utriculata

46.                       Timothy-grass

47.                       Tolumnia guttata

48.                       Tomato

49.                       Tordylium apulum

50.                       Tordylium maximum

51. Toxicodendron radicans

52.                       Toxicodendron vernix

53.                       Trachelium caeruleum

54.                       Tradescantia virginiana

55.                        Tradescantia zebrina

56.                       Tragia involucrata

57.                        Tragopogon porrifolius

58.                       Trapa natans

59.                       Trema orientalis

60.                      Trianthema portulacastrum

61.Tribulus cistoides

62.                       Tribulus terrestris

63.                       Trichophorum alpinum

64.                       Trichosanthes cucumerina

65.                       Trichostema dichotomum

66.                       Tridax procumbens

67.                       Tridens flavus

68.                       Trientalis europaea

69.                       Trifolium alpinum

70.                       Trifolium angustifolium

71. Trifolium arvense

72.                       Trifolium fragiferum

73.                       Trifolium glomeratum

74.                       Trifolium hybridum

75.                        Trifolium incarnatum

76.                       Trifolium montanum

77.                        Trifolium pratense

78.                       Trifolium repens

79.                       Trifolium resupinatum

80.                      Trifolium striatum

81.Trifolium subterraneum

82.                       Triglochin maritima

83.                       Trigonella foenum-graecum

84.                       Trillium cernuum

85.                       Trillium erectum

86.                       Trillium sessile

87.                       Triosteum angustifolium

88.                       Tripleurospermum maritimum

89.                       Tripsacum dactyloides

90.                      Triticum aestivum

91.Triticum monococcum

92.                       Triticum spelta

93.                        Trollius asiaticus

94.                       Trollius europaeus

95.                       Tropaeolum majus

96.                       Tropaeolum peregrinum

97.                       Tuberaria guttata

98.                       Tuberaria lignosa

99.                       Tulipa gesneriana

100.                  Tulipa sylvestris

101.                    Turmeric

102.                  Turnera ulmifolia

103.                  Tussilago farfara

104.                  Typha angustifolia

105.                   Typha latifolia


Tussilago farfara

  • Coltsfoot  (Tussilago farfara)
  • In TCM: Kuǎndōng (款冬). It is used as an expectorant in apoplexy, phthisis, coughs, and asthma, and as a demulcent in fevers.
  • In Western herbal medicine: expectoration, soothing mucous membranes, reducing discharges, skin softening, and for coughs. Coltsfoot cigarettes are used for asthma.
  • Efficacy: Not enough research has been done to evaluate efficacy.
  • Harmful effects: Can cause liver damage leading to cancer and death.  Coltsfoot naturally contains pyrrolizidine alkaloids, which are carcinogenic. Coltsfoot supplements that are labeled "PA-free" (meaning without pyrrolizidine alkaloids) are perhaps better, but their safety is unknown.



Taraxacum officinale

  • Dandelion  (Taraxacum spp.)
  • Also called: pissabed
  • In TCM: púgōngyīng (蒲公英). Used as a tonic, and for abscesses and swellings, carious teeth, and snake bites.
  • In Western herbal medicine: Known to be an effective diuretic, claimed to help with digestive and liver problems, but there has been no serious research of these claimed effects. The entire plant is edible.
  • The plant has no known harmful side effects aside from its diuretic properties, which may interfere with certain medications, and/or cause increased frequency of changing pajamas and bedsheets.


  • Datura: See Jimson weed


  • Digitalis: See Foxgloves


Tanacetum parthenium

  • Feverfew  (Tanacetum parthenium)
  • Usage: Effective mild painkiller. MedlinePlus Supplements notes that "Some feverfew tablet products can contain little or no feverfew." Used to reduce farting, increase menstruation, empty the bowels, and for stimulation.
  • Harmful effects: Side effects may include upset stomach, heartburn, diarrhea, constipation, bloating, flatulence, nausea, and vomiting. Other reported side effects include nervousness, dizziness, headache, trouble sleeping, joint stiffness, tiredness, menstrual changes, rash, pounding heart, and weight gain. Chewing raw feverfew may lead to mouth ulcers, loss of taste, and swelling of the lips, tongue, and mouth.


Teucrium chamaedrys

  • Germander  (Teucrium spp.)
  • Claimed to: be effective for gout, fever, diarrhea, gallbladder problems, and claimed to be useful for weight loss and as an antiseptic. There is currently insufficient evidence to evaluate these claims.
  • May cause: hepatitis, cirrhosis, and death. A weight loss supplement sold in France that contained germander caused several cases of hepatitis, and because of this, the herb is banned in that country and others.


Trifolium pratense

  • Red clover  (Trifolium pratense)
  • Used in: vaginal steaming, fake cancer cures, livestock grazing, tea
  • Beneficial effects:
  • Available research does not show red clover treats cancer, coughing, hair loss, skin conditions, or any other medical conditions.
  • Available research does not show red clover is an antibiotic.
  • Available research has mixed results on whether red clover reduces osteoporosis, and leans towards no effect.
  • Available research has mixed results on whether red clover reduces menopausal symptoms.
  • Available research has mixed results on whether red clover reduces LDL ("bad" cholesterol) levels, and leans toward no effect.
  • Researchers theorize that red clover may help to prevent cancers that estrogen helps to prevent, and help to cause cancers that estrogen helps to cause.
  • Harmful effects:
  • Do not put onto wounds without a doctor's advice.
  • Generally safe in food and drink.
  • May increase risk of excessive bleeding.
  • May cause headaches, nausea, and rashes.
  • Women with estrogen-sensitive cancers (such as breast cancer, uterine cancer, ovarian cancer) or other estrogen-sensitive (such as endometriosis or uterine fibroids) should not take red clover.
  • Pregnant or breastfeeding women should not take red clover.