Niall Benvie / Photograph of Hairy St John's wort (Hypericum hirsutum) manipulated and text added to represent illustrated book page. Scotland, UK, July

Wild Wonders of Europe / Hermansen / Tutsan (Hypericum androsaemum) flower and fruit, Burren National Park, County Clare, Republic of Ireland, June 2009

Nick Upton / Large-leaved St John's wort (Hypericum grandifolium), endemic to the Canaries and Madeira, flowering in montane Laurel forest / Laurissilva, Los Tilos de Moya, Doramas Rural Park, Gran Canaria, Canary...

Nick Upton / Flowering Canary Islands St.John's wort (Hypericum canariense) in montane Laurel forest / Laurissilva, Los Tilos de Moya, Doramas Rural Park. Gran Canaria UNESCO Biosphere Reserve, Gran Canaria, Canar...

Rod Williams / Hairy St John's-wort (Hypericum hirsutum) Hutchinson's Bank, New Addington, London, UK. July.

Nick Upton / Large-leaved St Johns wort (Hypericum grandifolium), endemic to the Canaries and Madeira, flowering among rocks in montane laurel forest, Anaga Rural Park,Tenerife, May.

Nick Upton / Large-leaved St Johns wort (Hypericum grandifolium), endemic to the Canaries and Madeira, flowering in montane laurel forest, Anaga Rural Park,Tenerife, May.

Nick Upton / Canary islands St. John's wort / Granadillo (Hypericum canariense) bushes, endemic to the Canaries, flowering in montane laurel forest, Anaga Rural Park,Tenerife, May.

Nick Upton / Canary islands St. John's wort / Granadillo (Hypericum canariense) bushes, endemic to the Canaries, flowering in montane laurel forest, Anaga Rural Park,Tenerife, May.

Constantinos Petrinos / St. John's wort bush (Hypericum revolutum) in bloom with yellow flowers. Simien Mountains National Park, Amhara Region, Ethiopia, Africa, March 2009.

Nick Upton / Tutsan (Hypericum androsaemum) flowering in a hedgerow, Cornwall, UK, June.

Nick Upton / Clump of Slender / Elegant St John's wort (Hypericum pulchrum) flowering on a heathland slope. Kilkhampton Common, Cornwall, June.

Nick Upton / Clump of Slender / Elegant St John's wort (Hypericum pulchrum) flowering on a heathland slope. Kilkhampton Common, Cornwall, June.

Nick Upton / Marsh St.John's wort / Bog Hypericum (Hypericum elodes) flowering in a stream, Bodmin moor, Cornwall, UK, July.

Nick Upton / Marsh St.John's wort / Bog Hypericum (Hypericum elodes) flowering in a stream, Bodmin moor, Cornwall, UK, July.

Russell Cooper / Perforate St John's wort (Hypericum perforatum) in flower, London, UK, July.

Aflo / Oriental katydid (Tettigonia orientalis) on Hypericum flower (Hypericum patulum) Tokyo, Japan. June.

Rod Williams / St John's-wort (Hypericum Sp) England, July

Chris Mattison / Tutsan (Hypericum androsaemum) growing on limestone pavement, Lancashire, England, UK, July.

Chris Mattison / Tutsan (Hypericum androsaemum) growing on limestone pavement, Gait Barrows, Lancashire, England, UK, July.

Paul Harcourt Davies / Perforate St John's Wort (Hypericum perforatum) in flower, Podere Montecucco, Orvieto, Umbria, Italy, July.

Nick Upton / Hairy St.John's-wort (Hypericum hirsutum) clump flowering in ungrazed chalk grassland hillside meadow, Wiltshire, UK, July.

Nick Upton / Hairy St.John's-wort (Hypericum hirsutum) clump flowering in ungrazed chalk grassland hillside meadow, Wiltshire, UK, July.

Nick Upton / Hairy St.John's-wort (Hypericum hirsutum) clump flowers, Wiltshire meadow, UK, July.

Nick Upton / Hairy St.John's-wort (Hypericum hirsutum) clump flowering in ungrazed chalk grassland hillside meadow, Wiltshire, UK, July.

Colin Varndell / Perforate St.John's wort flowers (Hypericum perforatum) Ballard Down, Dorset UK. July

Paul Harcourt Davies / Hoary Rockrose (Hypericum canum) in flower, crack in rock, near Mount St. Angelo, Gargano, Puglia. Italy, May

Danny Green / Black darter (Sympetrum danae) male dragonfly resting on St John's Wort (Hypericum perforatum) Glenn Afric, Scotland, July . Bookplate from Danny Green's 'The Long Journey North'

Laurie Campbell / Slender St John's-wort (Hypericum pulchrum)flowers in rain, Beinn Eighe National Nature Reserve, Wester Ross, Scotland, July

Nick Upton / Narcissus bulb fly / Large narcissus fly (Merodon equestris var. flavicans), resting on St. John's wort flower (Hypericum), Wiltshire garden, UK, July.

Nick Upton / Perforate / Common St. John's wort (Hypericum perforatum) flowers low angle close up view, chalk grassland meadow. Wiltshire, UK, June.

MYN / Marko Masterl / St John's wort (Hypericum perforatum) in flower, Slovenia, Europe, July. meetyourneighbours.net project

Michael & Patricia Fogden / St. John's-wort (Clusiaceae) fruit, one of them open exposing seeds covered by arils, Monteverde Cloud Forest Reserve, Costa Rica

Guy Edwardes / 2020VISION / Small heath butterfly (Coenonympha pamphilus) on St. John's wort (Hypericum sp) at dawn, Powerstock Common DWT reserve, Dorset, UK, June

Colin Varndell / Marsh St. John's Wort (Hypericum) in flower. Studland Heath, Dorset, UK, July.

Nick Upton / Nursery web spider (Pisaura mirabilis) guarding her silk nest of spiderlings on a St John's Wort (Hypericum) bush. Wiltshire garden, UK, July.

Nick Upton / Nursery web spider (Pisaura mirabilis) guarding her silk nest of spiderlings on a St John's Wort (Hypericum) bush. Wiltshire garden, UK, July.

Nick Upton / Nursery web spiderlings (Pisaura mirabilis) in silk tent nest on St John's Wort (Hypericum) bush. Wiltshire garden, UK, July.

Nick Upton / Nursery web spiderlings (Pisaura mirabilis) in silk tent nest on St John's Wort (Hypericum) bush. Wiltshire garden, UK, July.

Nick Upton / Nursery web spider (Pisaura mirabilis) guarding her silken nest of spiderlings on a St John's Wort (Hypericum) bush. Wiltshire garden, UK, July.

Nick Upton / Female Nursery web spider (Pisaura mirabilis) guarding her silken nest of spiderlings on a St John's Wort (Hypericum) bush. Wiltshire garden, UK, July.

Nick Upton / Muscid fly (Morellia sp) sunning in flowerhead of St. John's wort (Hypericum sp.) Wiltshire, UK, June.

Nick Upton / Conopid / Thick-headed fly (Sicus ferrugineus) a parasite of bumblebees, resting on St. John's wort flower (Hypericum sp.). Wiltshire garden, UK, July.

Wild Wonders of Europe / Hermansen / Tutsan (Hypericum androsaemum) fruit, Burren National Park, County Clare, Republic of Ireland, June 2009

Tim Laman / {Hypericum sp} flowers visited by a Honey bee (Apis sp) in rainforest, Bioko Island, Equatorial Guinea, January

Tim Laman / Flowering {Hypericum sp} in high montane rainforest on Pico Basile, approx 2700 m altitude, Bioko Island, Equatorial Guinea, January 2008

Steve Knell / Black sympetrum / darter dragonfly (Sympetrum danae) female on Slender St Johns wort (Hypericum pulchrum), UK

Steve Knell / Black sympetrum / darter dragonfly (Sympetrum danae) female on Slender St Johns wort (Hypericum pulchrum), UK

MYN / Niall Benvie / Hairy St John's wort {Hypericum hirsutum} Scotland, UK, June meetyourneighbours.net project

PREMAPHOTOS / Buff-tailed bumble bee (Bombus terrestris) worker with well-filled pollen sacs foraging on Tall Tutsan flower (Hypericum x inodorum) UK

Simon Colmer / Marsh Saint John's Wort (Hypericum elodes) with rushes in a pond, New Forest, Hampshire, UK.

Elio Della Ferrera / Bale Mountains NP, Ethiopia. {Hagenia abyssinica} trees and St Johns wort {Hypericum revolutum}

George McCarthy / Tutsan flowering in limestone rock crevice {Hypericum androsaemum} Yorks, UK

Jose B. Ruiz / Common St John's wort flowers, Spain

Jose B. Ruiz / Common St John's wort, Spain

Jose B. Ruiz / Common St John's wort {Hypericum perforatum} in herb garden Alicante, Spain.

Nigel Cattlin / St John's wort (Hypericum perforatum), Bladder campion (Silene vulgaris) hedge bedstraw (Galium mollugo) flowering in high summer on chalk downland, Berkshire, June

Christian Ziegler / St. John's-wort (Calophyllum longifolium) sapling with herbivore damage due to its nutritious leaves, Barro Colorado Island, Panama

Julian Hume / Illustration of breeding pair of Oiseaux bleus / Swamp hen on the Plaine Caffres,Reunion (extinct 1700). This species is known from only a few reliable accounts, and appears to have been a large galli...

Premaphotos / Buff tailed bumblebee (Bombus terrestris) worker, with well filled pollen sacs, foraging on Tall Tutsan flower (Hypericum x inodorum), UK

Duncan Mcewan / Slender St John's wort {Hypericum pulchrum} Scotland, UK Inverness-shire

Bernard Castelein / Grayling butterfly (Coenonympha pamphilus) resting on St. John's wort (Hypericum perforatum) seedheads, Klein Schietveld, Brasschaat, Belgium. August.

Linda Pitkin / Wildflower meadow with flowering St John's-wort (Hypericum perforatum), and Oxeye daisies (Leucanthemum vulgare), Nutfield Marsh Nature Reserve, Surrey, England. July.

Linda Pitkin / St John's-wort (Hypericum perforatum) in flower, Surrey, England, July.

Guy Edwardes / Slender St John's-wort (Hypericum pulchrum), Isle of Lewis, Outer Hebrides,Scotland, UK. July.

Rod Williams / Common or Perforate St John's wort (Hypericum perforatum) Hutchinson's Bank, New Addington, London, England, UK. JuneJuly

Nick Upton / Tutsan (Hypericum androsaemum) flowering and developing fruits. Wiltshire, England, UK. June.

Linda Pitkin / Autumn leaves including Sweet gum (Liquidambar styraciflua); Hawthorn (Crataegus monogyna); Tutsan (Hypericum androsaemum); Norway maple (Acer platanoides); Prunus sp and Strawberry tree (Arbutus uned...

Bernard Castelein / Meadow brown butterfly (Maniola jurtina) resting on St. John's-wort (Hypericum sp), dew covered. Peerdsbos, Brasschaat, Belgium. June.

Linda Pitkin / Stinking tutsan (Hypericum hircinum). Hampton Court, Richmond Upon Thames, England, UK. August.

Linda Pitkin / Stinking tutsan (Hypericum hircinum). Hampton Court, Richmond Upon Thames, England, UK. August.

Linda Pitkin / Des Etangs' St John's-wort (Hypericum perforatum x maculatum / Hypericum x desetangsii), Banstead Heath, Surrey, England, August.

Linda Pitkin / Square-stalked St John's-wort (Hypericum tetrapterum) Brookwood Cemetery, Surrey, England, UK. August.

Linda Pitkin / Marsh St John's-wort (Hypericum elodes), a rare / scarce plant, Elstead Common, Surrey, England, July

Linda Pitkin / Tutsan (Hypericum androsaemum), berries Brookwood Cemetery, Surrey, England, August.