Encyclopedia of Medicinal Plants Uses and Identification
- Ocimum basilicum
- Ocimum gratissimum
- Ocimum tenuiflorum
- Oenanthe pimpinelloides
- Oenothera biennis
- Oenothera fruticosa
- Oldenlandia umbellata
- Olea capensis
- Olea europaea
- Onoclea sensibilis
- Ononis repens
- Ononis rotundifolia
- Ononis spinosa
- Onopordum acanthium
- Onopordum illyricum
- Ophioglossum lusitanicum
- Ophioglossum vulgatum
- Ophrys insectifera
- Orchis mascula
- Orchis militaris
- Origanum dictamnus
- Origanum majorana
- Origanum onites
- Origanum syriacum
- Origanum vulgare
- Ornithogalum arabicum
- Ornithogalum nutans
- Ornithogalum pyrenaicum
- Ornithogalum umbellatum
- Ornithopus perpusillus
- Orobanche ramosa
- Orobanche uniflora
- Orontium aquaticum
- Oroxylum indicum
- Oryza sativa
- Osbeckia chinensis
- Osmunda claytoniana
- Osmunda regalis
- Osmundastrum cinnamomeum
- Osyris alba
- Ovieda spinosa
- Oxalis acetosella
- Oxalis corniculata
- Oxalis incarnata
- Oxalis pes-caprae
- Oxalis purpurea
- Oxalis stricta
- Oxalis violacea
- Oxybasis glauca
- Oxybasis rubra
Used for: digestion, headache,
colic, "nervous complaints", coughs and
respiratory ailments, menstrual cramps,
and vaginal steaming
long-term use of oregano may reduce high
long-term use of oregano may kill the stomach
parasites Blastocystis hominis, Entamoeba
hartmanni, and Endolimax nana.
suggested that oregano did not prevent bleeding
in people with hemophilia.
suggested that oregano did not speed or aid the
wound healing process, though it did reduce skin
stiffness and improve skin color.
Research: No other major research
on oregano's health benefits has been conducted.
Despite contrary claims, oregano has not been
shown to help asthma, bronchitis, coughing, the
flu, indigestion, painful menstrual periods,
arthritis, headaches, or heart conditions.
- Harmful effects:
probably safe in food quantities.
possibly unsafe in medicinal quantities during
pregnancy, and may possibly cause miscarriage.
increase the risk of bleeding, which may be
problematic before surgery and in people with
lower blood sugar levels, potentially
problematic for diabetics.
People can be
allergic to oregano.
Usage: Used for treatment of
coughs and colds, depression, and skin
Useless for eczema, but may help with breast pain. Insufficient evidence for any other conditions.
effects: Side effects may include
upset stomach, nausea, diarrhea, and headache.
- Usage: vaginal steaming
Claimed to: reduce spasms, help
expel farts, increase milk production, and
It has also been said to be spiritually cleansing.
effects: In vitro, has been shown
to be antioxidant, antiviral, and antimicrobial.
No clinical studies, yet, however.
effects: Lowers blood pressure
and prevents clotting, which situationally might
be good but is often bad. Little efficacy
riganum vulgare oil
Used as: an anti-fungal,
anti-viral, anti-bacterial, abortifactant,
anti-asthma, anti-malaria, antioxidant and
anti-cold/flu/headache medication (take your
pick). While it has a higher rate of success
on malaria and bacteria on the skin than normal
water, it has significantly less success than
any standard over-the-counter antibiotic or
medicinal anti-malaria drug.
As with most woo, there is always a glint of truth that gets warped into $$$$$. It is a good antioxidant, but not more so than raw oregano, which tastes better and makes wicked salads. And, despite its name, it tastes absolutely foul (as this user will attest).
effects: Side effects may include
gastrointestinal issues and allergic reactions.