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Plant species where normal mode of seed set is through a high degree of cross-pollination have characteristic reproductive features and population structure. Existence of self-sterility, [1] self-incompatibility, imperfect flowers, and mechanical obstructions make the plant dependent upon foreign pollen for normal seed set. Each plant receives ...
Rhexia virginica, the handsome Harry [2] or Virginia meadow-beauty, is a species of flowering plant in the family Melastomataceae. It is native to much of eastern North America, and is often found in moist, often acidic soils in open areas. [3] This species is a perennial herb that is easily identified by its distinctly angled stems.
Recent phylogenetic research confirms that Sida hermaphrodita is not particularly closely related to other members of the genus Sida.Over the years, it has been suggested that this species might be closer related to the monotypic genus Napaea, or to Sidasodes, a genus of two species native to the Andes, however, further research has not supported either of these relationships. [7]
Gaylussacia brachycera, commonly known as box huckleberry or box-leaved whortleberry, is a low North American shrub related to the blueberry and the other huckleberries.It is native to the east-central United States (Pennsylvania, Delaware, Maryland, Virginia, West Virginia, North Carolina, Kentucky, and Tennessee).
All are common landscape trees and produce spiky pods around their seeds. The spines help protect the seeds from being eaten by critters like birds and squirrels. Here's what each of the pods ...
The flowers of Hibiscus trionum can set seed via both outcrossing and self-pollination. During the first few hours after anthesis, the style and stigma are erect and receptive to receive pollen from other plants. In the absence of pollen donation, the style bends and makes contact with the anthers of the same flower, inducing self-pollination. [3]
The name derives from the Greek parthenos, "virgin", and kissos (Latinized as "cissus"), "ivy". The reason is variously given as the ability of these creepers to form seeds without pollination [4] or the English name of P. quinquefolia, Virginia creeper, which has become attached to the whole genus.
The Shenandoah Valley AVA is an American Viticultural Area located in the Shenandoah Valley of Virginia and West Virginia. The valley is bounded by the Blue Ridge Mountains to the east and the Appalachian and Allegheny Plateaus to the west. Most of the AVA is in Virginia, with a small portion in the Eastern Panhandle of West Virginia.