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| View Original: | Stamens of Picris echioides 2of2.JPG (896x673) | |||
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| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Stamens of Picris echioides 2of2.JPG en Part of a flowerhead of Picris echioides Asteraceae Cichorieae showing many individual ray-florets each with a style ending in two divergent long stigmas The five anthers in each floret are connected to eachother forming a narrow tube While the style grows through this tube it hoovers up pollen grains on its hairs From there visiting insects are dusted with pollen which they wipe off on the stigmas of the next flower head they visit As the florets mature the stigmas curl back untill eventually coming into contact with the style thus ensuring self-pollination if cross-pollination did not succeed own Hildesvini Cc-zero Picris echioides | ||||
