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pollinium

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pollinium
‖ pollinium Bot. (pəˈlɪnɪəm) Pl. -ia. [mod.L., f. pollen, pollin-, pollen 2 + -ium as in antheridium, archegonium, etc.] A coherent mass of pollen-grains in each cavity of the anther, characteristic of the Orchidaceæ and Asclepiadaceæ.1862 Darwin Orchids Introd. 5 The pollen-masses, with their caudi... Oxford English Dictionary
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Pollinium
A pollinium (plural pollinia) is a coherent mass of pollen grains in a plant that are the product of only one anther, but are transferred, during pollination are well attached to one another, but in other orchids there are two halves (with two separate viscidia) each of which is sometimes referred to as a pollinium wikipedia.org
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pollinarium
‖ pollinarium Bot. (pɒlɪˈnɛərɪəm) Pl. -ia. [mod.L., f. as next, after ovarium ovary, etc.] a. In phanerogams, = pollinium. b. In cryptogams, = cystidium 2.1881 Bentham in Jrnl. Linn. Soc. XVIII. 301 His representation of the pollinarium of Monomeria. 1895 Syd. Soc. Lex., Pollinarium, one of the orga... Oxford English Dictionary
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Rostellum
When an insect touches an "antenna", this releases the bent pedicel which springs straight and fires the pollinium, sticky disc first, at the insect. in Fertilisation of Orchids how he "touched the antennæ of C. callosum whilst holding the flower at about a yard's distance from the window, and the pollinium wikipedia.org
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Meliorchis
Morphology of the pollinium suggests that M. caribea is closely related to the modern genus Ligeophila. wikipedia.org
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massula
massula Bot. (ˈmæsjʊlə) [mod.L., dim. of L. massa: see mass n.2] (a) In heterosporous ferns of the genera Azolla and Salvinia, the tissue surrounding the maturing microspores; (b) in certain orchids, a cluster of pollen grains developed from a single cell.1856 J. S. Henslow Dict. Bot. Terms (ed. 2) ... Oxford English Dictionary
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Calopogon multiflorus
in that once the insect lands on it, the lip of the beard swings down, hinge-like, placing the insect's head and back on the column thereby picking up pollinium load, or placing the pollinium on the stigma if the insect already carries a load on its back. wikipedia.org
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Phalaenopsis hygrochila
Each pollinium is completely divided into two unequal halves. The seeds are 238.7 µm long and 81.2 µm wide. wikipedia.org
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Pterostylis mutica
As it does so, it either removes a pollinium or deposits one from a previously visited flower of the same species, and pollination occurs. wikipedia.org
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Hand-pollination
A special case are plants where the pollen are condensed in a mass called the pollinium, such as in orchids. wikipedia.org
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Asclepias asperula
The pollinarium is made up of 2 pollinium “wings” connected to a central corpusculum via 2 translator arms. If the orientation of the pollinium is correct and the concentration of nectar surrounding a pollinium is optimal, pollination will take place. wikipedia.org
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George Poinar Jr.
The paper describes a flower of an ancestral milkweed plant, which was named Discoflorus neotropicus, and a termite carrying a pollinium, all covered in wikipedia.org
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Pseudocopulation
The pollinator then has a pollinium attached to its body, which it transfers to the stigma of another flower when it attempts another 'copulation'. wikipedia.org
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Epidendroideae
The apical part of the middle stigma lobe forms a stipe ( = pollinium stalk). The ovary is unilocular. wikipedia.org
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Caladenia behrii
Research has shown that cross pollination and pollination with a single pollinium increase the number and viability of seeds produced. wikipedia.org
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