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Vaccinium virgatum is a deciduous shrub growing to 3 to 6 feet tall and with up to a 3-foot spread. [4] The leaves are spirally arranged, oblate to narrow elliptic, 3 inches long and start red-bronze in the spring only to develop into a dark-green. [4]
Vaccinium darrowii is an evergreen shrub growing to 30–120 cm (1–4 ft) tall, with small, simple ovoid-acute leaves10–15 millimetres (3 ⁄ 8 – 5 ⁄ 8 in) long and in non-hybrid forms are a light blue-green color on the base of the plant and a light pink color at the tips of the branches.
Habropoda laboriosa, the southeastern blueberry bee, is a bee in the family Apidae.It is native to the eastern United States. [1] It is regarded as the most efficient pollinator of southern rabbiteye blueberries, because the flowers require buzz pollination, and H. laboriosa is one of the few bees that exhibit this behavior.
The rabbiteye blueberry (Vaccinium virgatum syn. V. ashei) is a southern type of blueberry produced from the Carolinas to the Gulf Coast states. Production of rabbiteye blueberries was a focus in Texas in the early 21st century. [17] Other important species in North America include V. pallidum, the hillside or dryland blueberry.
Vaccinium corymbosum is a deciduous shrub growing to 1.8–3.7 metres (6–12 ft) tall and wide. It is often found in dense thickets. The dark glossy green leaves are elliptical and up to 5 centimetres (2 in) long.
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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 ...
However, as opposed to 'complete' or 'absolute' SI, in CSI, self-pollination without the presence of competing cross pollen, results in successive fertilization and seed set; [45] in this way, reproduction is assured, even in the absence of cross-pollination. CSI acts, at least in some species, at the stage of pollen tube elongation, and leads ...