A herb by any other name… O-P

Continued… A-D E-K L-N O-P Q-Z Note: If you know some herb I have listed under a different name, please tell me in the comments.

Oak, Jerusalem Dysphania ambrosioides Wormseed
Officinal Rose Rosa spp. Rose
Okra, Musk Abelmoschus moschatus Musk Mallow
Okra, Ornamental Abelmoschus moschatus Musk Mallow
Okra, Yorka Abelmoschus moschatus Musk Mallow
Old Fashioned Rose Geranium Pelargonium graveolens Rose Geranium
Old Maid’s Nightcap Geranium maculata Spotted Cranesbill
Old Man Artemisia abrotanum Southernwood
Old Man’s Flannel Verbascum thapsus Great Mullein
Oldman Wormwood Artemisia abrotanum Southernwood
Olibanum Tree Boswellia sacra Frankincense
Olive Olea europaea  
Olive, African Olea europaea Olive
Olive, Brown Olea europaea  
Oliveleaf Olea europaea Olive
Olive, Wild Olea europaea Olive
Omutete Hibiscus sabdariffa Rosella
Onion, Bunching Allium fistulosum Green Onions
Onion, Green Allium fistulosum Green Onions
Onion, Welsh Allium fistulosum Green Onions
Oolong Tea Camellia sinensis Tea
Opium Poppy Papaver somniferum  
Orange (peel) Citrus aurantium  
Orange Milkweed Asclepias tuberosa Pleurisy Root
Orange Root Hydrastis canadensis Goldenseal
Orange Swallow-wort Asclepias tuberosa Pleurisy Root
Orchanet Anchusa tinctoria Alkanet
Oregano Origanum vulgare  
Oregano, Cretan Origanum onites Pot Marjoram
Oregano, Greek Origanum vulgare Oregano
Oriental Ginseng Panax ginseng Ginseng
Oriental Lotus Nelumbo nucifera Sacred Lotus
Ornamental Rhubarb Rheum palmatum Chinese Rhubarb
Oswego Tea Monarda didyma Bergamot
Our Lady’s Bedstraw Galium verum Lady’s Bedstraw
Our Lady’s Flannel Verbascum thapsus Great Mullein
Our Lord’s Wood Artemisia abrotanum Southernwood
Paint, Indian Sanguinaria canadensis Bloodroot
Paintbrush, Indian Asclepias tuberosa Pleurisy Root
Pale Rose Rosa spp. Rose
Paliasa Kleinhovia hospita  
Palm, Açaí Euterpe oleracea Açaí Palm
Palm, Assai Euterpe oleracea Açaí Palm
Palm, Cabbage Euterpe oleracea Açaí Palm
Palm, Pina Euterpe oleracea Açaí Palm
Pansy, Wild Viola tricolor Heartsease
Papaya, Mountain Vasconcellea ×heilbornii Babaco
Paperbark, Narrow Leaved Melaleuca alternifolia Tea Tree
Paper, Rag Verbascum thapsus Great Mullein
Parsley Petroselinum crispum  
Parsley, Chinese Coriandrum sativum Coriander
Parsley Fern Tanacetum vulgare Tansy
Parsley, Gourmet’s Anthriscus cerefolium Chervil
Parsley, Love Levisticum officinale Lovage
Parsley, Sea Levisticum officinale Lovage
Pauson Sanguinaria canadensis Bloodroot
Peavine Clover Trifolium pratense Red Clover
Pennyroyal, American Hedeoma pulegioides American Pennyroyal
Pennyroyal, American False Hedeoma pulegioides American Pennyroyal
Pennyroyal, Brisbane Mentha satureioides Brisbane Pennyroyal
Pennyroyal, Hart’s Mentha cervina Hart’s Pennyroyal
Pennyroyal, Mock Hedeoma pulegioides American Pennyroyal
Pennyroyal, Native Mentha satureioides Brisbane Pennyroyal
Pennyroyal Mentha pulegium  
Pennyroyal, European Mentha pulegium Pennyroyal
Pennyweed Centella asiatica Gotu Kola
Pennywort, Asiatic Centella asiatica Gotu Kola
Pennywort, Indian Centella asiatica Gotu Kola
Pennywort, Marsh Centella asiatica Gotu Kola
Pepper, Clove Pimenta dioica Allspice
Pepperidge Bush Berberis vulgaris Barberry
Pepper, Jamaica Pimenta dioica Allspice
Peppermint Mentha x piperita officinalis  
Peppermint, Sydney Eucalyptus piperita Eucalyptus
Pepper, Myrtle Pimenta dioica Allspice
Perennial Cornflower Centaurea montana Mountain Cornflower
Perennial Goosefoot Chenopodium bonus-henricus Good King Henry
Persian Cumin Carum carvi Caraway
Peter, Herb Primula veris Cowslip
Peter’s Staff Verbascum thapsus Great Mullein
Pigeon’s Grass Verbena officinalis Vervain
Pigeonweed Verbena officinalis Vervain
Pigweed Portulaca oleracea Purslane
Pilewort Ranunculus ficaria Lesser Celandine
Pilewort Amaranthus hypondriachus Prince’s Feather
Pimenta Pimenta dioica Allspice
Pimento Pimenta dioica Allspice
Pimpernel, Italian Sanguisorba officinalis Great Burnet
Pina Palm Euterpe oleracea Açaí Palm
Pineapple Mint Mentha suaveolens Apple Mint
Pinemat Manzanita Arctostaphylos uva-ursi Uva ursi
Pine, Scots Pinus sylvestris  
Pistachio Hamamelis virginiana Witch Hazel
Plantain Plantago major  
Plantain, Broadleaf Plantago major Plantain
Plantain, Common Plantago major Plantain
Plantain, Greater Plantago major Plantain
Plantain, Large Plantago major Plantain
Plant, Bible Tanacetum balsamita Costmary
Plant, Candlewick Verbascum thapsus Great Mullein
Plant, Enchanter’s Verbena officinalis Vervain
Plant, Flannel Verbascum thapsus Great Mullein
Plant, Indian Hydrastis canadensis Goldenseal
Plant, Indian Sanguinaria canadensis Bloodroot
Plant, Lemon Artemisia abrotanum Southernwood
Plant, Lover’s Artemisia abrotanum Southernwood
Plant, Mosquito Hedeoma pulegioides American Pennyroyal
Plant, Mosquito Verbena officinalis Vervain
Plant, Sweating Eupatorium perfoliatum Thoroughwort
Plant, Velvet Verbascum thapsus Great Mullein
Plant, Whig Chamaemelum nobile Chamomile
Poor Man’s Asparagus Chenopodium bonus-henricus Good King Henry
Pot Marigold Calendula officinalis English Marigold
Poppy Papaver rhoeas  
Poppy, Corn Papaver rhoeas Poppy
Poppy, Field Papaver rhoeas Poppy
Poppy, Flanders Papaver rhoeas Poppy
Poppy, Opium Papaver somniferum Opium Poppy
Poppy, Red Papaver rhoeas Poppy
Poppy, White Papaver somniferum Opium Poppy
Portland Rose Rosa spp. Rose
Posy, Indian Asclepias tuberosa Pleurisy Root
Pot Cannabis sativa Marijuana
Pot Marigold Calendula officinalis English Marigold
Pot Marjoram Origanum onites  
Prairie Gay Feather Liatris spicata Gay Feather
Prairie-pine Liatris spicata Gay Feather
Prickly Amaranth Amaranthus spinosus Spiny Amaranth
Pride of the Meadow Filipendula ulmaria Meadowsweet
Priest’s Crown Taraxacum officinale Dandelion
Primrose Primula vulgaris  
Primrose, Evening Oenothera biennis Evening Primrose
Primula, Wild Primula veris Cowslip
Prince’s Feather Amaranthus hypondriachus  
Prince of Wales Feather Amaranthus hypondriachus Prince’s Feather
Professor-weed Galega officinalis Goat’s Rue
Provence Rose Rosa spp. Rose
Provins Rose Rosa spp. Rose
Puccoon, Red Sanguinaria canadensis Bloodroot
Puccoon, Yellow Hydrastis canadensis Goldenseal
Pudina Mentha arvensis Cornmint
Pu-erh Tea Camellia sinensis Tea
Puerto Rican Cherry Malpighia emarginata Acerola
Puffball Taraxacum officinale Dandelion
Pukeweed Lobelia inflata Indian Tobacco
Purple Boneset Eutrochium purpureum Gravel Root
Purple Clover Trifolium pratense Red Clover
Purple Coneflower Echinacea purpurea Echinacea
Purple Coneflower, Eastern Echinacea purpurea Echinacea
Purple Medic(k) Medicago sativa Alfalfa
Purple Thorn Apple Datura stramonium Thorn Apple
Purple Trillium Trillium erectum Bethroot
Purslane Portulaca oleracea  
Purslane, Common Portulaca oleracea Purslane
Purslane, Golden Portulaca oleracea sativa Purslane
Purslane, Green Portulaca oleracea Purslane
Purslane, Summer Portulaca oleracea Purslane
Purslane, Winter Claytonia perfoliata Winter Purslane
Purvain Verbena hastata Blue Vervain
Pusley Portulaca oleracea Purslane

Note: If you know some herb I have listed under a different name, please tell me in the comments. Continued… A-D E-K L-N O-P Q-Z