Pollen grain of Bilbergia flower

Pollen grain of Bilbergia flower

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Caption: Billbergia pollen. Coloured scanning electron micrograph (SEM) of a pollen grain of Billbergia nutans, a Brazilian house plant known as Queen's Tears or Angel's Tears. It is a member of the pineapple family Bromeliaceae. The pollen grain has a deep furrow running along its length, out of which the pollen tube grows upon germination. The shape and lace-like structure of this pollen grain makes it a unique identifying feature for this plant species. Magnification: x875 at 6x6cm size.

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Keywords: angel's tears, billbergia nuta, billbergia nutans, botany, coloured sem, nature, plant, plants, pollen, queen's tears, reproduction, reproductive, type

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