Tag Archives: Clematis terniflora

Word of the Week: Etaerio

Posted on July 19, 2021 by MGNV Webmaster

Unlike simple fruits, which develop from a single ovary in a flower, an etaerio develops from multiple ovaries (sometimes called fruitlets) in a single flower arranged over the surface of or within the flower’s receptacle. An etaerio is also called an aggregate fruit. Continue reading →

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Word of the Week: Achene

Posted on February 22, 2021 by MGNV Webmaster

When you hear the word achene, you may think of the seeds of sunflowers. Although many botanical works still refer to the fruits of Asteraceae (commonly called the aster, composite, daisy, or sunflower family) as achenes, some botanists consider them to be cypselae. Continue reading →

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Invasive Plant Factsheet: Sweet Autumn Clematis (Clematis terniflora)

Posted on September 21, 2020 by MGNV Webmaster

2020 Invasive Plant Factsheet: Sweet Autumn Clematis (Clematis terniflora)
It produces tremendous amounts of seed, allowing it to escape from cultivation into fencerows and roadsides where It forms a dense tangle that can smother native vegetation. It is reported as invasive in the eastern half of the U. S., in Arlington and Alexandria, and in nearby national parks. Continue reading →

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