triquetrous

American  

[trahy-kwee-truhs, -kwe-] / traɪˈkwi trəs, -ˈkwɛ- /

adjective

1. three-sided; triangular.

2. having a triangular cross section.

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triquetrous British  

/ -ˈkwɛt-, traɪˈkwiːtrəs /

adjective

1. triangular, esp in cross section

   a triquetrous stem

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Other Word Forms

• subtriquetrous adjective

Etymology

Origin of triquetrous

1650–60; < Latin triquetrus triangular, equivalent to tri- tri- + -quetrus cornered

Example Sentences

P. campan. umb. thin, striate; g. triquetrous, thin, pale then ochre; s. slender, fistulose, fibrillose, slightly striate, cottony at the base; ring membranous, narrow, saffron-ochre; sp. 8-9 long. mycenoides, Fr.

From European Fungus Flora: Agaricaceae by Massee, George

The spikes are usually few, 2 to 6, 3 to 6 inches long, with a triquetrous, narrowly winged rachis.

From A Handbook of Some South Indian Grasses by Rangachari, K.

P. subumb. glabrous; g. triquetrous; s. wavy, pure white, apex with black points.

From European Fungus Flora: Agaricaceae by Massee, George

The pollen-grains differ in a marked manner in the two forms; "those of the long-styled plants are sharply triquetrous, smaller, and more transparent than those of the short-styled, which are of a bluntly triangular form."

From The Different Forms of Flowers on Plants of the Same Species by Darwin, Charles

It is a native of Albania, and belongs to that section of its extensive genus having triquetrous and obtuse leaves, or blunt three-sided foliage, as formed by a well developed keel.

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