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retuse

American  
[ri-toos, -tyoos] / rɪˈtus, -ˈtjus /

adjective

  1. having an obtuse or rounded apex with a shallow notch, as leaves.


retuse British  
/ rɪˈtjuːs /

adjective

  1. botany having a rounded apex and a central depression

    retuse leaves

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of retuse

1745–55; < Latin retūsus (past participle of retundere to make blunt), equivalent to re- re- + tud-, variant stem of tundere to beat, strike + -tus past participle suffix, with dt > s

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Cones very abundant, 3 to 5 in. long, cylindric, with elongated, undulated, retuse scales.

From Trees of the Northern United States Their Study, Description and Determination by Apgar, A. C. (Austin Craig)

Involucral leaves numerous, small, incised, those of the stem rounded or retuse.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Leaves often retuse; calyx-lobes obtuse in the bud; petals small or minute; style shorter, 3–4-cleft; seeds larger, sharply tuberculate; otherwise like the last.—Ark. to Tex. and westward; reported from Kan., Iowa, and Minn. 2.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Leaves succubous, ovate or roundish, entire or retuse, rarely bidentate; underleaves minute, sometimes obscure or wanting.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

The leaves are small, crowded, opposite, ovate, entire, leathery, fringed or ciliated, and retuse.

From Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies. by Wood, John

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