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Macrophylla

Macrophylla

Macrophylla

This is not a story about the sesamoid bone. This is a story about why it's important to know things.The inflorescence of Hydrangea macrophylla is a corymb, with all flowers placed in a plane or hemisphere, or even a whole sphere in cultivated forms. Two distinct types of flowers can be identified: central, non-ornamental, pentamerous ones, and peripheral, ornamental, tetramerous ones. The latter have sterile pistils with fertile stamen. The four sepals of decorative flowers have colors ranging from pale pink to red fuchsia purple to blue. The non-decorative flowers have five small greenish sepals and five small petals. Flowering lasts from early summer to early winter. The fruit is a subglobose capsule.

Macrophylla

F. macrophylla is a woody, perennial, deep-rooting, and leafy shrub. It is about 0.6-2.4 m high (rarely 3 m). The main stem is prostrate or erect, with numerous stems arising from a single base. The young branches are greenish, ribbed, triangular in section and silky; while the old stems are brown, almost round in section. The leaves are trifoliate. leaflets are papery, with a glabrous upper surface. Inflorescences are densely spicate-racemose or paniculate, and bracts are foliaceous or dry, persistent or deciduous. Pods are small and turn brown when ripening; they are dehiscent, generally with two shiny black seeds in the vessel. Seeds are globular, 2–3 mm in diameter, and shiny black. The leaves are disproportionately large, hence origin of the specific name, macrophylla meaning ‘large leaved’ (Greek makros = large; phyllon = leaf).

F. macrophylla is used in a variety of agricultural practices and by-products. Due to slow decomposition rate of its leaves, along with its dense growth, moderate drought tolerance, ability to withstand occasional flooding, and coppicing ability, it is commonly used for mulching, weed control and sod protection. It is most commonly used in contour hedgerows for erosion control, often in association with Desmodium cinereum. Prunings are used for mulch and green manure in alley cropping systems.Hydrangea macrophylla, commonly referred to as bigleaf hydrangea, is one of the most popular landscape shrubs owing to its large mophead flowers. Although it does not have any serious insect or disease problems, Hydrangea macrophylla can be a challenging shrub for those looking for prolific and consistent blooms every year. This is due to the number of factors that can affect Hydrangea macrophylla blooms over the course of the year. Some of these factors are simple mistakes that happen at planting or during maintenance while others are the result of environmental factors that are out of our control. (Source:ag.umass.edu)

 

 

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