Dioecious Collection

southern wax myrtle, southern bayberry, candleberry, bayberry tree, and tallow shrub (Myrica cerifera)
Illustration of a Southern Wax Myrtle (Myrica cerifera)

White Bryony in flower (Bryonia dioica). Common
ROG-12475 White Bryony in flower Bryonia dioica Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in any way

Dioecious black-flowered storks-bill, Pelargonium dioicum. Handcoloured copperplate engraving by Weddell after a drawing by John Curtis for Samuel Curtis continuation of William Curtis Botanical

Common Starfish (Asterias rubens) and Common Cockle (Cerastoderma edule) on the beach, The Netherlands, Noord-Holland

Mastic Tree (Pistacia lentiscus) close-up of leaves and fruit, France, October

Common Hop (Humulus lupulus) growing against wooden barn, Sweden

Mastic Tree (Pistacia lentiscus var. chia) close-up of leaves, in cultivation, Chios, Greece, April

Jojoba (Simmondsia chinensis) flowers C014 / 1561
Jojoba (Simmondsia chinensis) flowers. Close-up of male flowers on a jojoba bush. Photographed in Arizona, USA, in February

Jojoba (Simmondsia chinensis) flowers C014 / 1564
Jojoba (Simmondsia chinensis) flowers. Close-up of male flowers on a jojoba bush. Photographed in Arizona, USA, in February

Jojoba (Simmondsia chinensis) flowers C014 / 1562
Jojoba (Simmondsia chinensis) flowers. Close-up of female flowers developing into fruit on a jojoba bush. Photographed in Arizona, USA, in February

Cactus wren on a jojoba bush C014 / 1568
Cactus wren (Campylorhynchus brunneicapillus) on a jojoba (Simmondsia chinensis) bush with male flowers. Photographed in the Sonoran Desert, Arizona, USA, in February

Jojoba (Simmondsia chinensis) flowers C014 / 1563
Jojoba (Simmondsia chinensis) flowers. Close-up of female flowers developing into fruit on a jojoba bush. Photographed in Arizona, USA, in February

Pistacia lentiscus fruiting, artwork C016 / 3308
Pistacia lentiscus fruiting, artwork

Pandanus sp
Plate 988 from the John Reeves Collection of Botanical Drawings from Canton, China. Held in the Botany Library at the Natural History Museum, London

Common Butterbur (Petasites hybridus) male flowering, growing amongst Ramsons (Allium ursinum) leaves, Powys, Wales, April

Red Campion - female flowers
ROG-13990 Red Campion - female flowers. Silene dioica Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in anyway

Common Hop (Humulus lupulus) close-up of leaves, Old Fen, Thelnetham Fen, Little Ouse Valley, Suffolk, England, may

Common Hop (Humulus lupulus) close-up of leaf, Old Fen, Thelnetham Fen, Little Ouse Valley, Suffolk, England, may

Mistletoe (Viscum album) close-up of male flowers (on separate plant in foreground), female flowers and berries, Dorset, England, february

Common Hazel (Corylus avellana) close-up of female flower with red stigmas and male catkin, Dorset, England, february

Common Hop (Humulus lupulus) leaves, climbing reed stems in reedbed, Little Ouse Headwaters Project, Hinderclay Fen, Hinderclay, Little Ouse Valley, Suffolk, England, june

Ginkgo leaf, computer artwork
Ginkgo leaf. Computer artwork of a leaf from the Chinese maidenhair tree (Ginkgo biloba)

Ginkgo leaves, computer artwork
Ginkgo leaves. Computer artwork of leaves of the Chinese maidenhair tree (Ginkgo biloba)

Thalictrum occidentale
Female flowers of Western Meadow-Rue (Thalictrum occidentale) growing in Canada

Mountain Everlasting (Antennaria dioica) flowering in Estonia

Hydromedusa. Medusa stage of a Halitholus sp. hydrozoan. Hydromedusae are the sexually reproductive stage of hydrozoan cnidarians

Bread tree (Encephalartos altensteinii)

Male cycad cone (Dioon sp. )
Male cycad cone (Dioon sp.). Cycads are dioecious, plants are either male or female. The male cone produces pollen, which is released to pollinate female cones on other plants

Queen sago cone (Cycas circinalis)
Queen sago (Cycas circinalis). This is a cone from a female plant. Cycads are dioecious, each plant being either male or female. The female cone contains the ovaries

Female jojoba (Simmondsia chinensis)
Female jojoba flowers (Simmondsia chinensis). The seeds of this shrub contain a commercially useful oil (a liquid wax), which is commonly used in the cosmetic industry

Male jojoba (Simmondsia chinensis)
Male jojoba flowers (Simmondsia chinensis).The seeds of this shrub contain a commercially useful oil (a liquid wax), which is commonly used in the cosmetic industry

Mount Atlas Pistache (Pistacia atlantica)
Mount Atlas Pistache flowers (Pistacia atlantica). These are male flowers. The tree is dioecious, meaning that male and female flowers are produced on separate trees. Photographed in Greece, in March

Juniper berries (Juniperus communis)
Juniper berries (cones) of the common juniper (Juniperus communis). Juniper berries are commonly used to flavour gin. Photographed in the Lake District, Cumbria, UK

Ginkgo leaves. Leaves of the Chinese maidenhair tree (Ginkgo biloba). The two-lobed leaf is unique among trees in having no midrib or network of branching veins

Leaves of Maidenhair Tree Ginkgo biloba in autumn. From China, planted; Dorset
ROG-13348 Leaves of Maidenhair Tree - in autumn From China, planted; Dorset. UK Ginkgo biloba Bob Gibbons Please note that prints are for personal display purposes only

Date palms with bags over fruit as protection from birds, weather and for promoting larger fruit at Keimoes
ASW-4720 Date palms with bags over fruit as protection from birds, weather and for promoting larger fruit at Keimoes, Northern Cape, South Africa. Phoenix dactylifera Alan J. S

Mountain everlasting, female flower (Antennaria dioica). N. Europe
ROG-12443 Mountain everlasting, female flower N. Europe. Antennaria dioica Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in anyway

Mormon Tea / Green Ephedra - with male flowers
ROG-11849 Green Ephedra / Mormon or Brigham Tea / Mountain Joint Fir - with male flowers California, USA Ephedra viridis Bob Gibbons Please note that prints are for personal display purposes only

Pistacia lentiscus var chia - Chios, Greece
ROG-11701 MASTIC - Chios, Greece Pistacia lentiscus var chia Greece A transparent resin, known as mastic, is obtained from the tree. This is collected by bleeding the bark

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"Dioecious: A Celebration of Gender Diversity in Nature" Nature never ceases to amaze us with its intricate and diverse creations. One fascinating aspect of plant and animal life is the concept of dioecy, where separate male and female individuals exist within a species. Let's explore some remarkable examples. In the plant kingdom, we encounter the southern wax myrtle, also known as the southern bayberry or candleberry (Myrica cerifera). This dioecious beauty boasts fragrant leaves and waxy berries that have been used for centuries in candle-making. Similarly, the bayberry tree or tallow shrub (Myrica cerifera) showcases its gender diversity through distinct male and female plants. Moving on to flowering plants, we find White Bryony (Bryonia dioica), an enchanting vine adorned with delicate flowers. Its dioecious nature ensures separate male and female blossoms grace our landscapes. Even black-flowered storks-bill (Pelargonium dioicum) displays this captivating phenomenon. With striking dark blooms adorning both genders separately, it adds a touch of mystery to any garden. Venturing into marine ecosystems, we encounter Common Starfish (Asterias rubens) alongside Common Cockle (Cerastoderma edule). These underwater wonders exemplify how even sea creatures embrace dioecy as part of their existence. Returning to land, let's marvel at the Mastic Tree (Pistacia lentiscus). Its close-up leaves and fruit reveal a world where gender roles are divided between individual trees – yet they come together harmoniously to create breathtaking landscapes in France during October or Chios, Greece in April. The Common Hop (Humulus lupulus), growing against a wooden barn in Sweden, reminds us that even beloved ingredients like hops used in brewing beer exhibit this intriguing characteristic.