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Praefoliation

Phyllotaxis (whole plant) the arrangement of leaves on a plant stem spiral (Fibonacci series) distichous, 1/2 phyllotaxis tristichous, 1/3 phyllotaxis pentastichous, 2/5 phyllotaxis octostichous, 3/8 phyllotaxis opposite opposite decussate opposite superposed verticillate	Praefoliation (buds) Ptyxis the folding of an individual leaf within a bud inclinate circinate plicate conduplicate convolute, contort revolute involute Vernation the folding of the foliage within a bud valvate imbricate contort, convolute induplicate supervolute equitant	Aestivation (flowers) the folding of sepals and petals within a flower bud dimerous trimerous tetramerous pentamerous apert valvate induplicative reduplicative imbricate convolute, contort quincuncial, in 2/5 spiral cochlear, cochleate