A Grammatical Dictionary of Botanical Latin

Twist (noun): anfractus,-us (s.m.IV), abl. sg. anfractu, 'a turning, bending; winding, a spiraling;' convoluta,-ae (s.f.I), abl.sg. convoluta, 'a twist, a rolling up;' spira,-ae (s.f.I), abl. sg. spira,' that which is wound, wreathed, coiled or twisted;' see spiral; see turbo,-inis (s.m.III);

- cellulae spirales 8-9 convolutas ostendentes, spiral cells showing 8-9 twists (Stearn 1983).

- trichomata circinata anfractibus unis ad octo, trichomes coiled with one to eight spirals.

- elater intus spira continens, elater containing a spiral within.

- trichomata elongata inferne recta superne uncinata vel per totam longitudinem in spiram laxam plus minusve irregularem contorta, apice attenuata, trichomes elongated, below straight, above hooked or for the whole length in a loose spiral more or less irregularly twisted, at the tip attenuate (Stearn 1983).