canaliculate


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canaliculate

adjective Relating to a longitudinal groove, canal or channel.

canaliculate

adjective Relating to a longitudinal groove, canal, or channel
References in periodicals archive ?
5-7 cm, distinctly narrowed toward the base but not petiolate, coriaceous, without any conspicuous thicker central zone, green to bronze colored, distinctly canaliculate toward the base and nearly flat toward the apex, densely and coarsely white lepidote abaxially, trichomes completely obscuring leaf color and distinctly contrasting with the glabrous and lustrous adaxial surface, nerved mainly near the margins, margins slightly undulate toward the apex, densely spinulose, spines triangular, nearly straight to slightly antrorse-uncinate, 0.
9 cm, green except for sometimes the dark red margins, thinly coriaceous or nearly so, not succulent and without any thicker median channel, from plain to canaliculate with a U-shaped channel mainly under water stress, upper and lower sides slightly contrasting, abaxially densely white-lepidote, trichomes partially obscuring leaf color, nerved, adaxially glabrous or nearly so, bearing conspicuous longitudinal nerves, margins subdensely to densely spinose; spines narrowly triangular, prevailing slightly antronse-uncinate, dark red, 0.
1 cm, green except for the dark red margins, coriaceous or nearly so, nerved mainly abaxially, canaliculate, adaxially subdensely to densely white-lepidote, trichomes to obscuring leaf color, abaxially densely and coarsely white-lepidote, trichomes obscuring leaf color, margins with spines acicular, dark red, 0.
5-4 cm in diameter; floral bracts narrowly ovate, apex acuminate, distinctly canaliculate, navicular, ecarinate to obtusely carinate, strongly recurved, exceeding the sepals, dark red to wine colored toward the apex, thin in texture to thinly coriaceous, abaxially sparsely white-lepidote near the apex to glabrous, distinctly nerved, adaxially glabrous, 18-30 x 9-13 mm, densely spinose, spines narrowly triangular, retrorse to antrorse, straight to strongly recurved-uncinate, dark red, ca.
It is characterized as terrestrial or saxicolous, with well-developed rhizomes, slightly succulent, long and canaliculate narrow leaves, inflorescence simple and racemose, sepals and petal free and stamen enclosed.