Evening primrose flowers
Evening primrose flower
Evening primrose (Oenothera biennis)
Evening primrose in UV light
Evening primrose pollen, SEM
Common evening primrose (Oenothera biennis) flowers
Flowering evening primrose
メマツヨイグサ
Footpath running through wildflower garden
Evening primrose oil capsules
Evening Primrose (Oenothera biennis)
薬草 アレチマツヨイグサ
Large-flowered evening primrose (Oenothera glazioviana)
Evening primroses (Oenothera sp.)
Herbal pills
Evening primrose stalk, light micrograph
Marigold flowers
Water primrose (Ludwigia peploides), X-ray
Developing flower bud, SEM
Peony flowers
Chamomile flowers
Passion flower plants
Common chickweed (Stellaria media)
Peony plant
Valerian flowers (Valeriana officinalis)
Soft rush (Juncus effusus)
Chamomile flower
Passion flower (Passiflora incarnata)
Opium poppy flowering
Hops
Evening primrose, close-up
Hawthorn flowers
Fennel flowers
Echinacea flowers and capsules
Garden sorrel flowers
Yellow gentian flowers
Lily-of-the-valley flowers
Spring fumewort flowers
Corydalis flowers (Corydalis ambigua)
Yarrow flowers
Arnica flowers
Calluna vulgaris heather flowers
Henbane flowers
Coltsfoot flowers
Chamomile flowers (Anthemis nobilis)
Raphides in Oenothera sp. stalk, light micrograph
Medicinal plants
Sea squill (Urginea maritima)
Foxglove (Digitalis grandiflora)
Viper's bugloss (Echium vulgare)
Hops (Humulus lupulus)
White borage (Borago officinalis)
Hemlock flowers
Musk mallow flowers
Indian solanum leaves
White monkshood flowers (Aconitum sp.)
Fenugreek (Trigonella foenum-gracecum)
Ground ivy (Glechoma hederacea)
Foxglove (Digitalis purpurea)
Small leaved lime (Tilia cordata)
Lemon-scented verbena
Dark mullein (Verbascum nigrum)
Elecampane flowers
Monkshood flowers
Comfrey flower
Feverfew flowers
Nasturtium flowers
Common vervain (Verbena officinalis)
Solomon's seal flowers
Passion flower in vase
Posy of showy evening primrose (Oenothera speciosa) on table outdoors
Laurentia (Isotoma axillaris) flowers
アレチマツヨイグサ
Opium poppy
St John's Wort flowers
Greater celandine (Chelidonium majus)
Scurvygrass
Purple coneflower flowers
Common tansy flowers
Cornflowers (Centaurea cyanus)
California poppy
Hollyhock (Alcea rosea)
Sweet violet
Common toadflax (Linaria vulgaris)
Sweet clover (Melilotus officinalis)
Barbed skullcap (Scutellaria barbata)
Bogbean (Methyanthes trifoliata)
Drug fumitory (Fumaria officinalis) plant
Maidenhair fern leaves
Opium poppy flowers and seed heads
Monkshood flowers (Aconitum axilliflorum)
月見草
St. John's wort (Hypericum perforatum)
Love in the mist flower (Nigella sp.)
Echinacea flower
Marsh mallow flowers
Monkshood
Lavender flowers
Columbine (Aquilegia vulgaris)
Horseradish (Amoracia rusticana)
Foxglove flowers
Buttercup flowers
Spiny rest harrow (Ononis spinosa)
White dead nettle (Lamium album)
Purple coneflower flower
Stevia plant
Love in the mist (Nigella sativa)
Broom (Genista tinctoria)
Woman holding evening primrose capsule
Buckwheat flowers
Opium poppy flowers
Poppy seed head (Papaver somniferum)
American sweetgum (Liquidambar styraciflua) flowers
Borage in flower
Chinese skullcap flowers
Marjoram oregano
Coriander (Coriandrum sativum)
Turkish rocket (Bunias orientalis)
Oregano (Origanum vulgare)
Wild marjoram (Origanum vulgare)
European sanicle (Sanicula europaea)
Comfrey (Symphytum officinale)
Black mustard (Brassica nigra)
Rosemary (Rosmarinus officinalis)
Cannabis (Cannabis sativa)
Opium poppies (Papaver somniferum)
Marigold flower
Hellebore flowers
Honeysuckle flowers
Common wormwood (Artemisia absinthium)
Chinese peony (Paeonia lactiflora)
Bulbous buttercup (Ranunculus bulbosus)
Henbane
Dried lavender flowers
Yarrow (Achillea millefolium) flowers
Golden rod flowers
Lavender flowers (Lavandula sp.)