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Plant Sciences

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University of Richmond

2012

Virginia native plants

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Closely Paired Flowers Produce Single Fruit, W. John Hayden Jul 2012

Closely Paired Flowers Produce Single Fruit, W. John Hayden

Biology Faculty Publications

Perhaps one of the most striking features of partridge berry (Mitchella repens), the 2012 VNPS Wildflower of the Year, is its closely paired flowers that yield a single berry fruit (figure 1). That these fruits are double structures, formed by pairs of flowers, is revealed in the presence of two discrete rings of five sepals each on the fruit apex, or in some cases, by a single ring of 10 sepals. Viewed in isolation, without context, the nature of these double fruits may seem perplexing, but as in so many things, a comparative perspective helps to make sense …


Partridge Berry: Simple Beauty Belies Complexity, W. John Hayden Mar 2012

Partridge Berry: Simple Beauty Belies Complexity, W. John Hayden

Biology Faculty Publications

Superficially, plants seem so simple. Rooted in place, they do not move around. And while plant growth is a dynamic process, without time-lapse photography, growth events are so imperceptibly slow that, to us impatient humans, plants seem both immobile and static. Nevertheless, there is a lot going on inside the plant body, and this is especially true for the events of reproduction that play out inside flowers and fruits. As one of my students recently commented, “I used to think it was just a matter of pollen plus stigma and, presto-change-o, seeds happen.” That student, I hope, learned otherwise, as …


2012 Wildflower Of The Year: Partridge Berry, Mitchella Repens, W. John Hayden Jan 2012

2012 Wildflower Of The Year: Partridge Berry, Mitchella Repens, W. John Hayden

Biology Faculty Publications

Although partridge berry is a small and creeping herb, its jewel-like beauty rewards attentive naturalists year-round.