«POLLINIUM» এর সঙ্গে সম্পর্কিত ইংরেজী বই
নিম্নলিখিত গ্রন্থপঞ্জী নির্বাচনে
pollinium শব্দটির ব্যবহার খুঁজুন। ইংরেজী সাহিত্যে
pollinium শব্দের ব্যবহারের প্রসঙ্গ সম্পর্কিত বই এবং তার থেকে সংক্ষিপ্তসার।
Use of the term massula is restricted to the smaller pollinium unit in the two
families: Asclepiadaceae and Orchidaceae. Pollinium is defined as the entire
pollen mass of one or more anther locules fused together as a unit, as observed
in ...
A. K. Shukla, M. R. Vijayaraghavan, B. Chaudhry, 1998
2
Monocotyledons: A Morphological Study
Flower structure of British Orchids; an., anther; p., pollinium ;*V., rostellum ; c,
caudicle; ov., ovary; sp., spur; lab., labellum; br., bract, i, Ophrys apifera, Huds.;
I A, front view of flower showing pendulous pollinia; i B, position of pollinia in bud.
3
Orchid Biology: Reviews and Perspectives X: Reviews and ...
Competition in orchids with pollinia is reduced because the number of pollen
grains in a pollinium is not so different from the number of ovules in the ovary, i.e.,
the pollen to ovule ratio is close to one (Pacini and Franchi, 1998, 1999).
Tiiu Kull, Joseph Arditti, Sek Man Wong, 2009
4
Transactions of the Linnean Society of London: Botany
By dilating the aperture through which these tubes come forth, which may readily
be done, and so exposing the interior of the pollinium, each of these tubes is
seen to be a prolongation from a grain of pollen. The grains which have
produced ...
Linnean Society of London, 1887
THE SECOND DIVISION or THE PRIMARY POLLINIUM-CELL. The daughter-
nuclei resulting from the first division of the primary pollinium-cell enter upon the
resting stage (Fig. 19), with the chromatin distributed upon a linin reticulum.
Isaac Bayley Balfour, Roland Thaxter, Vernon Herbert Blackman, 1902
6
Transactions: Botany. Second Series
By dilating the aperture through which these tubes come forth, which may readily
be done, and so exposing the interior of the pollinium, each of these tubes is
seen to be a prolongation from a grain of pollen. The grains which have
produced ...
Linnean Society of London, 1881
The highly elastic pedicel then instantly flirts the heavy disc out of the stigmatic
chamber with such force that the whole pollinium is ejected, bringing away with it
the two balls of pollen, and tearing the loosely-attached spike-like anther from the
...
8
The Essential Naturalist: Timeless Readings in Natural History
The stigma is very viscid, but not so viscid as when touched to pull the whole
pollinium off the insect's head or off the pencil, yet sufficiently viscid to break the
elastic threads by which the packets of pollen grains are tied together, and leave
...
Michael H. Graham, Joan Parker, Paul K. Dayton, 2011
40 minutes in Tipularia discolor was shown to prevent deposition of pollinia since
the force of adhesion between the anther cap and stigma was not sufficient to
break the pollinium away from the caudicle (Catling and Catling 1991). In most ...
Amots Dafni, Michael Hesse, Ettore Pacini, 2000
10
The Cambridge Illustrated Glossary of Botanical Terms
THREE TYPES OF FLOWER ORIENTATION Structure of Orchids 3 POLLINIUM
TYPES •Pollinium -Caudicle -Viscidium Pollinium. L.S. of flower of Dactylorhiza
fuchsii Etaerio of drupelets (Rubus sp.) Etaerio of hooked achenes (Geum.
Michael Hickey, Clive King, 2000
6 «POLLINIUM» শব্দটি আছে এমন সব সংবাদ
জাতীয় ও আন্তর্জাতিক সংবাদের ক্ষেত্রে
pollinium শব্দটি নিয়ে কি বলা হয়েছে এবং নিম্নলিখিত সংবাদে কোন প্রসঙ্গে
pollinium শব্দটি ব্যবহার করা হয়েছে।
Nature Journal: Identifying native orchids
As a moth inserts its head into the flower to obtain nectar, a pollinium (a tiny ball of pollen) is attached to the moth's eye and may inadvertently ... «Asheville Citizen-Times, ডিসেম্বর 14»
One artist's long journey brings art to Midtown
"Pollinium" by Alan Bur Johnson. The Lisa Sette Gallery is located in Midtown Phoenix and is open Tuesday to Friday, 10 a.m. to 5 p.m. and ... «The State Press, সেপ্টেম্বর 14»
Blogger Emily Stone takes a close look at pollen
Then the pollinium falls off into another milkweed flower. Sometimes the flower gets a bit aggressive, and accidentally lassoes the insect it was ... «Appleton Post Crescent, জুন 14»
Orchids in Southeast Alaska
When they pick up a pollinium, pollinators then carry many pollen grains at a time. This would seem to be very efficient, but actually the seed ... «Juneau Empire, মে 13»
The world of orchids
... orchids with crafty trapping mechanisms that briefly imprison insects, releasing them once a precious blob of pollinium has been deposited; ... «Malaysia Star, ডিসেম্বর 11»
Fragrant fest flower fan favorite
"Orchids don't bother hayfever sufferers because the pollen grains are encapsulated in a pollinium and don't become airborne," Gubler Orchids ... «Hi-Desert Star, অক্টোবর 11»
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