trigonous

American  

[trig-uh-nuhs] / ˈtrɪg ə nəs /

adjective

1. having three angles or corners, as a stem or seed; triangular.

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trigonous British  

/ ˈtrɪɡənəs /

adjective

1. (of stems, seeds, and similar parts) having a triangular cross section

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Etymology

Origin of trigonous

1750–60; < Latin trigōnus triangular < Greek trígōnos. See tri-, -gon, -ous

Example Sentences

The inflorescence is 1/2 to 3 inches long and consists of fascicles of spikelets; the rachis is trigonous, smooth, and flexuous.

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

The inflorescence is of several slender spikes, usually drooping, 2 to 4 inches; the rachis is filiform and trigonous.

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

The grain is pale, brownish yellow, ellipsoidal-oblong, subacute, trigonous, rough and never smooth, with a shallow groove on the dorsal side; the embryo is about one-third the length of the grain.

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

Spikes are 1/2 to 1-3/8 inches, sessile or shortly stalked; the rachis of the spike is slender, trigonous and scaberulous.

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

It is very much flattened in Paspalum scrobiculatum, but somewhat trigonous in Digitaria sanguinalis.

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