pollinium

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pollinium

a mass of POLLEN GRAINS stuck together and carried as a whole during POLLINATION.
References in periodicals archive ?
The turnover of milkweed pollinia on bumble bees, and implications for outcrossing.
Polytrias amaura (Buse) Kuntze Bas.: Andropogon amaurus Buse Sin.: Eulaliapraemorsa (Nees ex Steud.) Stapf ex Ridl., Pollinia praemorsa Nees ex Steud.
In order for cross-pollination to occur, insects need access to the pollinia, and the collected pollinia need to be positioned on the insect properly for transfer to the stigma of a flower on another plant.
The prairie fringed orchid's flowers are fragrant only at night, and pollinia are picked up by the proboscises of hawkmoths as they ingest nectar.
They agreed to exempt the following from CITES permitting requirements: seeds; pollinia (the encapsulated pollen of orchids); tissue cultures and flasked seedlings; cut flowers of artificially propagated plants; and, for Vanilla species, fruits, parts, and derivatives from artificially propagated plants.
On multi-flowered plants, large inflorescence size could result in increasing pollinia removal (Sutherland 1986, Rodriguez-Robles et al.
plebeja was the only moth collected to have orchid pollinia on its body.
This butterfly Xanthopan morganii forma praedicta only completely extends its proboscis when it approaches these flowers with their long spurs; it hovers above the flower while drinking its nectar and the orchid pollinia adhere to its proboscis, ready to be carried to pollinate the next flower.
Both Nilsson (1988) and Johnson and Steiner (1997) found that spur length was important for proper pollinia receipt in longtongued orchid pollinators.
(ASCLEPIADACEAE) package pollen into hardened aggregates termed "pollinia." Individual flowers bear five pairs of pollinia; each pair is connected by translator arms to a corpusculum.
Orbicules have not been observed in taxa with viscin threads, elastoviscin, massulae or compact pollinia (Pacini, 1997).