"Casuarina female; 2. male; 3. male flower; 4. female flower; 5. the ripe valves of the calyx, from which the fruit has been taken; 6. a section of the half ripe ovary; 7. a section of the fruit showing the seed and embryo." -Lindley, 1853

Beefwood

"Casuarina female; 2. male; 3. male flower; 4. female flower; 5. the ripe valves of the calyx, from…

"Sicana odorifera. a, fruit; b, female flower; c, male flower." -Whitney, 1911

Cassabanana

"Sicana odorifera. a, fruit; b, female flower; c, male flower." -Whitney, 1911

The Kentucky Coffeetree (Gymnocladus dioicus) is a tree in the Fabaceae family of legumes. It was also known as the synonym Gymnocladus Canadensis. "a, part of male flwer, showing stamens; b, fruit; c, seed." -Whitney, 1911

Kentucky Coffeetree

The Kentucky Coffeetree (Gymnocladus dioicus) is a tree in the Fabaceae family of legumes. It was also…

The common name of fagus sylvatica is common beech. The male flowers have drooping heads. The female flowers grow two to four together.

Branchlet of Fagus Sylvatica with Male and Female Flowers

The common name of fagus sylvatica is common beech. The male flowers have drooping heads. The female…

"Cambogia gutta. 1. a female flower, with the sterile stamens surrounding the pistil; 2. a male flower; 3. an anther, which opens by throwing off a cap, in consequence of transverse dehiscence; 4. a transverse section of the ovary." -Lindley, 1853

Garcinia

"Cambogia gutta. 1. a female flower, with the sterile stamens surrounding the pistil; 2. a male flower;…

"Gingko biloba, or Salisburia adiantifolia. a, branchlet with male flowers." -Whitney, 1911

Ginkgo Biloba Branchlet

"Gingko biloba, or Salisburia adiantifolia. a, branchlet with male flowers." -Whitney, 1911

"Hedycarya dentata. 1. male flower; 2. female ditto; 3. section of carpel; 4. ripe fruit." -Lindley, 1853

Hedycarya

"Hedycarya dentata. 1. male flower; 2. female ditto; 3. section of carpel; 4. ripe fruit." -Lindley,…

"Humulus Lupulus. 1. male flower; 2. female; 3. section of ovary; 4. ripe fruit; 5. section of it, showing embryo; 6. a grain of lupuline." -Lindley, 1853

Common Hop

"Humulus Lupulus. 1. male flower; 2. female; 3. section of ovary; 4. ripe fruit; 5. section of it, showing…

"Lardizabala triternata. 1. petals and stamens of male flower; 2. carpels; 3. fruit of a Lardizabala; 4. a cross section of it; 5. a seed; 6. a section of it, showing the embryo." -Lindley, 1853

Lardizabala

"Lardizabala triternata. 1. petals and stamens of male flower; 2. carpels; 3. fruit of a Lardizabala;…

Pictured are the male and female flowers on the lateral growth of a melon plant. The male flowers are more numerous than the female flowers.

Lateral Growth of Melon

Pictured are the male and female flowers on the lateral growth of a melon plant. The male flowers are…

"Cocculus macrocarpus. 1. male flower; 2. a petal and stamen; 3. a cluster of fruit; 4. seed; 5. section of ditto showing embryo." -Lindley, 1853

Moonseed

"Cocculus macrocarpus. 1. male flower; 2. a petal and stamen; 3. a cluster of fruit; 4. seed; 5. section…

"Morus alba. 1. A male flower; 2. clusters of females; 3. a female flower separate; 4. the same with a part of the calyx cut away; 5. a vertical section of a ripe achaenium; 6. a cluster of fruit consisting of succulent calyxes enclosing achaenia." -Lindley, 1853

White Mulberry

"Morus alba. 1. A male flower; 2. clusters of females; 3. a female flower separate; 4. the same with…

An illustration of a male flower of the osage-orange plant. Osage-orange, Horse-apple or Bois D'Arc (Maclura pomifera) is dioeceous plant species, with male and female flowers on different plants. It is a small deciduous tree or large shrub, typically growing to 8–15 metres (26–49 ft) tall. The fruit, a multiple fruit, is roughly spherical, but bumpy, and 7-15 cm in diameter, and it is filled with a sticky white latex sap. In fall, its color turns a bright yellow-green and it has a faint odor similar to that of oranges

Male Flower of Osage-Orange

An illustration of a male flower of the osage-orange plant. Osage-orange, Horse-apple or Bois D'Arc…

"Inflorescence of Chamaerops humilis, in its spathe; 2. a portion of the same, with the fruit ripening; 3. a male flower; 4. a female flower; 5. a ripe fruit; 6. a section of another variety, showing the seed; 7. a seed with a portion of the surface cut away, to display the embryo." -Lindley, 1853

Fan Palm

"Inflorescence of Chamaerops humilis, in its spathe; 2. a portion of the same, with the fruit ripening;…

"Fortunaea chinensis; 1. a female cone; 2. ripe nut; 3. perpendicular section of do.; 4. female flower; 5. male flower." -Lindley, 1853

Platycarya

"Fortunaea chinensis; 1. a female cone; 2. ripe nut; 3. perpendicular section of do.; 4. female flower;…

"Pangium edule. 1. a male flower; 2. an ovary with its sterile stamens; 3. a cross section of an ovary; 4. a perpendicular section of a seed." -Lindley, 1853

Raual

"Pangium edule. 1. a male flower; 2. an ovary with its sterile stamens; 3. a cross section of an ovary;…

The Florida Rosemary: "Ceratiola ericoides. 1. a male flower; 2. a female; 3. a view of the ovary, with its side removed to show the ovules; 4. ripe fruit; 5. section across a seed." -Lindley, 1853

Florida Rosemary

The Florida Rosemary: "Ceratiola ericoides. 1. a male flower; 2. a female; 3. a view of the ovary, with…

"Smilax glycyphylla; 1. a male flower seen from above; 2. a female flower; 3. a transverse section of an ovary; 4. a seed; 5. a section of a seed, showing the embryo." -Lindley, 1853

Sweet Sarsaparilla

"Smilax glycyphylla; 1. a male flower seen from above; 2. a female flower; 3. a transverse section of…

"Branch of Simarouba amara, with female flowers. a, a male flower; b, a female flower." -Whitney, 1911

Simarouba

"Branch of Simarouba amara, with female flowers. a, a male flower; b, a female flower." -Whitney, 1911

"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911

Maryland Black Snakeroot

"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911

Sweet gum is the common name of liquidambar styraciflua. The number 1 represents the female flower. The numbers 2 represent the male flowers.

Branch of Sweet Gum with Female and Male Flowers

Sweet gum is the common name of liquidambar styraciflua. The number 1 represents the female flower.…

"Tonina fluviatilis. 1. male flower; 2. centre of do.; 3. female and male flowers; 4. section of ripe fruit; 5. seed; 6. section of do." -Lindley, 1853

Tonina fluviatilis

"Tonina fluviatilis. 1. male flower; 2. centre of do.; 3. female and male flowers; 4. section of ripe…

"Batis maritima. 1. a male cone; 2. a male flower; 3. the same forced open to show the petals; 4. on of the bracteal scales; 5. a female cone; 6. a perpendicular section of the same; 7. a ripe cone; 8. a section of it; 9. a seed; 10. an embryo." -Lindley, 1853

Turtleweed

"Batis maritima. 1. a male cone; 2. a male flower; 3. the same forced open to show the petals; 4. on…