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minute grains, usually yellow in color but occasionally white, brown, red, or purple, borne in the anther sac at the tip of the slender filament of the stamen of a flowering plant or in the male cone of a conifer.
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-bearing structure of the stamen of a flower, usually borne on a slender stalk called the filament. Each anther generally consists of two pollen sacs, which open when the pollen is mature. The method of opening, or dehiscence, is uniform in any single species of plant.



the principal part of the stamen. The anther consists of symmetrical halves, each of which has one or two pollen sacs. The two halves are united by the continuation of the anther filament. The pollen sacs of angiosperms are homologous to the microsporangia of Pteridophyta and gymnosperms; the anther itself is homologous to the synangium. Microspores develop in the pollen sacs; pollen grains form from the sacs. After the opening of the anther, the pollen grains leave through two vertical slits. The grains may fall onto the stigma of the pistil, where development continues.


The pollen-producing structure of a flower.


the terminal part of a stamen consisting usually of two lobes each containing two sacs in which the pollen matures
References in periodicals archive ?
An example of very similar anthers and stigma morphology is T.
The vibrating diapason contacted the pistile, which had half of an open anther on the stigma.
The following data were collected: anther extrusion, length and width of anthers and stigmata, number of pollen grains per anther, heading date, and plant height.
The anther wall was usually comprised of five cell layers before maturation; i.
5 cm long, glabrous, anther tube obconic, 4-5 mm long and 4 mm in distal diameter, exserted 10-15 mm between the corolla dorsal lobes, dorsal and lateral anthers 4-5 mm long, the two ventral anthers 3-4 mm long, glabrous; stigma bilobed, discoidal during post-anthesis and exserted 3-4 mm from the anther tube.
Production of haploids in BG through anther culture would allow breeders for an efficient release of pure parental lines and better screening for resistance to diseases.
Each young anther was consisted of 4 pollen sacs (tetrasporangiate) with connective tissue in the center (Fig 1C).
They may have been attracted at close range by the bright UV-reflectance of the dentate rims of the anther sutures, which are visible from the corollar opening.
In androecia, the anther and filament constitute the stamen, with pollen emerging from the anthers.
Although the Bears returned two winning cards and two draws and lost by an odd shot on anther rink, it was not enough to offset the 19-shot defeat of Liz Chedgzoy's quartet.