Bamboo Wallpaper

About Bamboo Wallpaper Android App

The bamboos are evergreen perennial flowering plants in the subfamily Bambusoideae of the grass family Poaceae. In bamboo, as in other grasses the internodal regions of the stem are usually hollow and the vascular bundles in the cross section are scattered throughout the stem instead of in a cylindrical arrangement. The dicotyledonous woody xylem is also absent. The absence of secondary growth wood causes the stems of monocots including the palms and large bamboos to be columnar rather than tapering.

Bamboos include some of the fastest-growing plants in the world due to a unique rhizome-dependent system. Certain species of bamboo can grow 91 cm within a 24-hour period at a rate of almost 4 cm an hour. Giant bamboos are the largest members of the grass family. Bamboos are of notable economic and cultural significance in South Asia and East Asia being used for building materials as a food source and as a versatile raw product. Bamboo has a higher specific compressive strength than wood brick or concrete and a specific tensile strength that rivals steel.

Bamboos have long been considered the most primitive grasses mostly because of the presence of bracteate indeterminate inflorescences pseudospikelets and flowers with three lodicules six stamens and three stigmata. Following more recent molecular phylogenetic research many tribes and genera of grasses formerly included in the Bambusoideae are now classified in other subfamilies. the Anomochlooideae the Puelioideae and the Ehrhartoideae. The subfamily in its current sense belongs to the BOP clade of grasses where it is sister to the Pooideae.

The bamboos comprise three clades classified as tribes and these strongly correspond with geographic divisions representing the New World herbaceous species tropical woody and temperate woody. The woody bamboos do not form a monophyletic group instead the tropical woody and herbaceous bamboos are sister to the temperate woody. Altogether, more than 1,400 species are placed in 115 genera.

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