flexuous

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flexuous

[′flek·shə·wəs]
(biology)
Flexible.
Bending in a zigzag manner.
Wavy.
References in periodicals archive ?
disc crimson, purple-red to orange-red, epruinose, thalline margin slightly prominent, smooth, crenulate to verrucose, even crenulate or flexuose.
Stem leaves falcate, hooked at stem apices, concave, ovate to broadly ovate, 0,5-0,8 mm wide x 1,5-2,2 mm long; erect-spreading, usually complanate; leaf margin plane, entire or slightly denticulate near apex; apex gradually and shortly to longly acuminate; costa short and double (up to 35% of length leaf), occasionally absent, seldom single; median lamina cells linear, flexuose, 5-7 [micro]m wide x 50-110(125) [micro]m long, becoming shorter and wider towards apex and shorter, wider and porose towards base; marginal cells slightly shorter and wider than adjacent median lamina cells; alar cells rectangular to shortly rectangular, hyaline, inflated, thin-walled, forming a very well delimited group, triangular, sometimes excavate and not or slightly decurrent.
5 [micro]m long, thin-walled, smooth, becoming shorter, wider and flexuose towards apex, shorter and wider, longly rhomboidal to rectangular and porose towards base; marginal cells narrower than adjacent median lamina cells; alar cells rectangular, hyaline, inflated, thin-walled, forming a (diffuse to well defined group, triangular, usually reaching the costa, sometimes excavate and broadly decurrent, transition from alar cells to adjacent basal cells gradual; initial cells of rhizoids very common in apex and beside nerve, specially in the upper fifth of leaf.