"Abutilon macropodum. 1. an unexpanded flower; 2. the stamens and styles; 3. a ripe fruit, consisting of many carpels, whose upper extremities are free and radiant." -Lindley, 1853

Abutilon

"Abutilon macropodum. 1. an unexpanded flower; 2. the stamens and styles; 3. a ripe fruit, consisting…

"Bixa orellana. 1. a pistil and two stamens; 2. a cross section of the ovary; 3. a ripe fruit. 4. a cross section of a seed." -Lindley, 1853

Achiote

"Bixa orellana. 1. a pistil and two stamens; 2. a cross section of the ovary; 3. a ripe fruit. 4. a…

"Aptandra Spruceana. 1. an expanded flower; 2. a petal; 3. tube of stamens, with 4 petaloid glands at the base; 4. pistil; 5. section of ovary." -Lindley, 1853

Aptandra

"Aptandra Spruceana. 1. an expanded flower; 2. a petal; 3. tube of stamens, with 4 petaloid glands at…

"Impatiens macrochila; 2. a diagram of its flower; 3. its stamens; 4. fruit of I. Balsamina (rose balsam); 5. its embryo." -Lindley, 1853

Large-Lipped Balsam

"Impatiens macrochila; 2. a diagram of its flower; 3. its stamens; 4. fruit of I. Balsamina (rose balsam);…

"Bud of the Bartlett pear, with petals removed, showing the incurved stamens." -Department of Agriculture, 1899

Bartlett Pear Bud

"Bud of the Bartlett pear, with petals removed, showing the incurved stamens." -Department of Agriculture,…

"Wahlenbergia procumbens. 1. an entire flower; 2. stamens; 3. a stigma; 4. transverse section of the ovary; 5. a vertical section of a seed, showing the embryo." -Lindley, 1853

Bellflower

"Wahlenbergia procumbens. 1. an entire flower; 2. stamens; 3. a stigma; 4. transverse section of the…

"Francoa appendiculata. 1. stamens and pistil; 2. cross section of the ovary; 3. perpendicular section of the seed." -Lindley, 1853

Bridal Wreath

"Francoa appendiculata. 1. stamens and pistil; 2. cross section of the ovary; 3. perpendicular section…

A Florida plant, the buckwheat tree: "Mylocaryum ligustrinum. 1. a flower; 2. stamens; 3. ovary; 4. section of seed." -Lindley, 1853

Buckwheat Tree

A Florida plant, the buckwheat tree: "Mylocaryum ligustrinum. 1. a flower; 2. stamens; 3. ovary; 4.…

"Flower of a buttercup (Ranunculus sp.); a, b, normal, showing 5 petals; c, d, petalody of stamens; e, petal with nectary at its base; f-h ripened ovaries." -Gager, 1916

Buttercup Flowers

"Flower of a buttercup (Ranunculus sp.); a, b, normal, showing 5 petals; c, d, petalody of stamens;…

"Rue anemone (Anemonella thalictroides). 1, normal flower with 5 petals; 3, petalody of stamens; 4, coalescence of petals (c1); 2, coalescence (c), and petalody of stamens. At 2, s is shown a stamen partially transformed into a petal, but with a portion of the anther still remaining." -Gager, 1916

Buttercup Flowers

"Rue anemone (Anemonella thalictroides). 1, normal flower with 5 petals; 3, petalody of stamens; 4,…

"If in Fig. 132, a, a, a, a, a, represent five stamens, and b, b, as many carpels, it will be observed that the stamens occupy alternate positions in respect to the carpels."—Darby, 1855

Arrangement of Stamens and Carpels

"If in Fig. 132, a, a, a, a, a, represent five stamens, and b, b, as many carpels, it will be observed…

"Cassipourea elliptica. 1. a flower; 2. stamens; 3. pistil; 4. cross section of the ovary." -Lindley, 1853

Cassipourea

"Cassipourea elliptica. 1. a flower; 2. stamens; 3. pistil; 4. cross section of the ovary." -Lindley,…

"Monstrous flower of a Cerastium; 2. the pistil and stamens separate; 3. the ovary forced open to show the origin of the ovules and the nature of the imperfect dissepiments; 4. a monstrous ovule." -Lindley, 1853

Mouse-Ear Chickweed

"Monstrous flower of a Cerastium; 2. the pistil and stamens separate; 3. the ovary forced open to show…

"Flower of Clerodendron in two stages. In A (earlier stage) the stamens are mature, while the pistil is still undeveloped and bent to one side. In B (later stage) the stamens have withered and the stigmas have separated, ready for the reception of pollen." -Bergen, 1896

Clerodendron

"Flower of Clerodendron in two stages. In A (earlier stage) the stamens are mature, while the pistil…

"Adenocarpus frankenioides. 1. the standard, wings, and keel split open; 2. the stamens; 3. a cross section of a seed; 4. a legume, with a portion of one of the valves turned back." -Lindley, 1853

Codeso del Pico

"Adenocarpus frankenioides. 1. the standard, wings, and keel split open; 2. the stamens; 3. a cross…

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…

"Colchicum autumnale. 1. A corm in flower; 2. The same stripped of its outer coats, and showing the ovaries after the floral envelopes are cut away; 3. a transverse section of the ovaries; 4. a ripe capsule; 5. a section of a seed; 6. the flower cut open, to show the stamens and the 3-parted style." -Lindley, 1853

Autumn Crocus

"Colchicum autumnale. 1. A corm in flower; 2. The same stripped of its outer coats, and showing the…

"Erucastrum Canariense. 1. a flower. 2. the stamens; 3. the siliqua, with the valve separating from the replum; 4. a transverse section of a seed; 5. a perfect seed." -Lindley, 1853

Crucifer

"Erucastrum Canariense. 1. a flower. 2. the stamens; 3. the siliqua, with the valve separating from…

An illustration of a cucumber plant's flower stamens.

Cucumber Flower Stamens

An illustration of a cucumber plant's flower stamens.

"3. paleae of Leersia oryzoides; 4. pistil, stamens, and hypogynous scales of the same." -Lindley, 1853

Rice Cutgrass

"3. paleae of Leersia oryzoides; 4. pistil, stamens, and hypogynous scales of the same." -Lindley, 1853

Darlingtonia californica (1, Stamens and pistil).

Darlingtonia Californica

Darlingtonia californica (1, Stamens and pistil).

"Corolla, scales and stamens of, 1. Cuscuta europaea; 2. Cuscuta trifolii." -Lindley, 1853

Greater Dodder

"Corolla, scales and stamens of, 1. Cuscuta europaea; 2. Cuscuta trifolii." -Lindley, 1853

The English Dogwood (Philadelphus coronarius) is a deciduous shrub, here showing its epigynous stamens and petals growing on top of the ovary.

English Dogwood

The English Dogwood (Philadelphus coronarius) is a deciduous shrub, here showing its epigynous stamens…

"Cheiranthera linearis; 2. its pistil and stamens; 3. a cross section of its ovary; 4. a seed of Pittosporum undulatum, cut across to show the minute embryo." -Lindley, 1853

Finger Flower

"Cheiranthera linearis; 2. its pistil and stamens; 3. a cross section of its ovary; 4. a seed of Pittosporum…

The stamens are united in this Lobelia.

Flower

The stamens are united in this Lobelia.

The stamens are united in this Mallow.

Flower

The stamens are united in this Mallow.

The flower of the Marsh-Mallow.

Flower

The flower of the Marsh-Mallow.

The American Linden in flower.

Flower

The American Linden in flower.

"The parts of the flower. cal, calyx; cor, corolla; st, stamens; p, pistil." -Bergen, 1896

Flower Parts

"The parts of the flower. cal, calyx; cor, corolla; st, stamens; p, pistil." -Bergen, 1896

"Diagram to show the essential parts of a "flowering" plant. t.r., tap-root; cot. seed-leaf (cotyledon); i, internode; a.l, leaf-axil; n, node; a.b, axillary buud; r, receptacle of floral organs; ca, calyx; per, perianth; co, corolla; st, stamens (androecium); pi, pistil (gynoecium)." -Gager, 1916

Flower Parts

"Diagram to show the essential parts of a "flowering" plant. t.r., tap-root; cot. seed-leaf (cotyledon);…

Fruit bursting from the Wild Geranium.

Fruit

Fruit bursting from the Wild Geranium.

"Fumaria officinalis. 1. a flower seen from below; 2. the same from the side; 3. the pistil, stamens, and a portion of the bagged upper petal; 4. a parcel of anthers, inaccurately drawn, for the two at the sides should be half anthers; 5. the fruit." -Lindley, 1853

Common Fumitory

"Fumaria officinalis. 1. a flower seen from below; 2. the same from the side; 3. the pistil, stamens,…

"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;…

Chinese Ginger or fingerroot (Boesenbergia rotunda): "Flowers of Kaempferia pandurata; 2. the inner row of the corolla seen in profile. 3. the anther, enclosing the apex of the style between its lobes; 4. the style and stigma, with two abortive stamens at the base; 5. a transverse section of the ovary." -Lindley, 1853

Chinese Ginger

Chinese Ginger or fingerroot (Boesenbergia rotunda): "Flowers of Kaempferia pandurata; 2. the inner…

"Vitis vinifera. 1. a flower; 2. the same casting its petals; 3. the pistil and stamens; 4. a section of the ovary; 5. of the seed." -Lindley, 1853

Common Grapevine

"Vitis vinifera. 1. a flower; 2. the same casting its petals; 3. the pistil and stamens; 4. a section…

Virginia Cut Grass (Leersia Virginica) is a small flowered white grass, and is smoother than white grass known as "false rice". The panicle is simple, slender, the spikelets closely appressed, and oblong.

Annual Spear Grass

Virginia Cut Grass (Leersia Virginica) is a small flowered white grass, and is smoother than white grass…

"Part of the inflorescence of Heliconia angustifolia; a, stamens and pistil, the surrounding parts being removed." -Lindley, 1853

Heliconia

"Part of the inflorescence of Heliconia angustifolia; a, stamens and pistil, the surrounding parts being…

"Geranium Robertianum. 1. its stamens; 2. its ovary; 3. a section of its seed." -Lindley, 1853

Herb Robert

"Geranium Robertianum. 1. its stamens; 2. its ovary; 3. a section of its seed." -Lindley, 1853

"Hypericum floribundum; 1. an entire flower; 2. a bundle of stamens; 3. a pistil with 3 carpels; 4. a seed laid horizontally and cut through, to show the embryo and netted testa; 5. a piece of a leaf with transparent dots." -Lindley, 1853

Hypericum

"Hypericum floribundum; 1. an entire flower; 2. a bundle of stamens; 3. a pistil with 3 carpels; 4.…

"Iris. I, flower, longitudinal section, ov., ovary; II, diagram, showing stigmas opposite the stamens; III, capsule, splitting between the partitions." -Bergen, 1896

Iris

"Iris. I, flower, longitudinal section, ov., ovary; II, diagram, showing stigmas opposite the stamens;…

"Kadsura japonica. 1. a calyx; 2. a head of stamens; 3. a pistil; 4. a section of a seed." -Lindley, 1853

Kadsura

"Kadsura japonica. 1. a calyx; 2. a head of stamens; 3. a pistil; 4. a section of a seed." -Lindley,…

"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;…

The Delphinium tricorne or Dwarf Larkspur: "1. petals and stamens; 2. carpels; 3. a branch of ripe fruit." -Lindley, 1853

Dwarf Larkspur

The Delphinium tricorne or Dwarf Larkspur: "1. petals and stamens; 2. carpels; 3. a branch of ripe fruit."…

"Melastoma polyanthum. 1. flower; 2, 2. stamens; 3. base of anther; 4. fruit; 5. section of ditto; 6. seed." -Lindley. 1853

Native Lassiandra

"Melastoma polyanthum. 1. flower; 2, 2. stamens; 3. base of anther; 4. fruit; 5. section of ditto; 6.…

"Mountain laurel (Kalmia latifolia). a, stamens in their original position, with the anthers in the pouches; b, stamens inflexed (detail at e); c, side view; d, essential organs; f and g, stamens." -Gager, 1916

Mountain Laurel

"Mountain laurel (Kalmia latifolia). a, stamens in their original position, with the anthers in the…

"Leschenaultia splendens. 1. calyx, stamens, and style, with stigma and indusium, all magnified." -Lindley, 1853

Lechenaultia

"Leschenaultia splendens. 1. calyx, stamens, and style, with stigma and indusium, all magnified." -Lindley,…

The sexual system of a plant, here having ten stamens and a carpel, Decandria.

Linnaeus' Decandria

The sexual system of a plant, here having ten stamens and a carpel, Decandria.

The sexual system of a plant, here having many stamens, Dodecandria.

Linnaeus' Dodecandria

The sexual system of a plant, here having many stamens, Dodecandria.

The sexual system of a plant, here having twenty or more stamens, Icosandria.

Linnaeus' icosandria

The sexual system of a plant, here having twenty or more stamens, Icosandria.

The sexual system of a plant, here having many stamens with a pistil in the center, Polyandria.

Linnaeus' Polyandria

The sexual system of a plant, here having many stamens with a pistil in the center, Polyandria.

The sexual system of a plant, here having four stamens of unequal length, Didynamia.

Linnaeus' Didynamia

The sexual system of a plant, here having four stamens of unequal length, Didynamia.

The sexual system of a plant, here having six stamens (four longer), Tetradinamia.

Linnaeus' Tetradinamia

The sexual system of a plant, here having six stamens (four longer), Tetradinamia.

The sexual system of a plant, here having stamens united in a tube, Monadelphia.

Linnaeus' Monadelphia

The sexual system of a plant, here having stamens united in a tube, Monadelphia.

The sexual system of a plant, here having stamens united in two bundles, Diadelphia.

Linnaeus' Diadelphia

The sexual system of a plant, here having stamens united in two bundles, Diadelphia.

The sexual system of a plant, here having stamens united in three or more bundles, Polyadelphia.

Linnaeus' Polyadelphia

The sexual system of a plant, here having stamens united in three or more bundles, Polyadelphia.

The sexual system of a plant, here having stamens united by anthers, Syngenesia.

Linnaeus' Syngenesia

The sexual system of a plant, here having stamens united by anthers, Syngenesia.

The sexual system of a plant, here having stamens united with the pistil, Gynandria.

Linnaeus' Gynandria

The sexual system of a plant, here having stamens united with the pistil, Gynandria.

The sexual system of a plant, here having stamens and pistils in two different flowers of the same plant, Monoecia.

Linnaeus' Monoecia

The sexual system of a plant, here having stamens and pistils in two different flowers of the same plant,…

The sexual system of a plant, here having stamens and pistils on two different plants, Dioecia.

Linnaeus' Dioecia

The sexual system of a plant, here having stamens and pistils on two different plants, Dioecia.

The sexual system of a plant, here having both hermaphrodite and unisexual flowers on the same plant, Polygamia.

Linnaeus' Polygamia

The sexual system of a plant, here having both hermaphrodite and unisexual flowers on the same plant,…