verticil's Usage Examples:

These plants can harbor verticillium wilt, which is devastating to strawberries.

Club-shaped hydranths with numerous tentacles, generally scattered irregularly, sometimes with a spiral arrangement, or in whorls (" verticillate ").

in a verticil, or at different heights in a spiral cycle.

- Diagram to illustrate induplicative or induplicate aestivation, in which the parts of the verticil are slightly turned inwards at the edges.

On the other hand, the ejaculatory duct with its verticillate sac in the male of Cypris and other genera is a feature scarcely less remarkable.

The leaves have a definite relation to each other in the bud, being either opposite, alternate or verticillate; and thus different kinds of vernation are produced.

These causes of change in phyllotaxis are also well exemplified in the alteration of an opposite or verticillate arrangement to an alternate, and vice versa; thus the effect of interruption of growth, in causing alternate leaves to become opposite and verticillate, can be distinctly shown in Rhododendron ponticum.

By the suppression of the verticil of the stamens, or of the carpels, flowers become unisexual or diclinous, and by the suppression of one or both of the floral envelopes, monochlamydeous and achlamydeous flowers are produced.

So also in Labiatae, such as dead-nettle (Lamium), the different whorls of inflorescence are developed centripetally, while the florets of the verticillaster are centrifugal.

There is evidence that in some, at least, of the Calamarieae the leaves of each verticil were united at the base to form a sheath.

In August, Tom Locke visited Guelph, Ontario and Wooster, Ohio to investigate verticillium wilt of potatoes.

which in structure resembles the vegetative stem in its primary condition, bears numerous verticils of bracts, those of each verticil being coherent in their lower part, so as to form a disc or cup, from the margin of which the free limbs of the bracts arise.

The same occurs in the verticillate arrangement, the leaves of each whorl rarely being super- posed on those of the whorl next it, but usually alterna ting so that each leaf in a whorl occupies the space be tween two leaves of the whorl next to it.

Synonyms:

ringlet, coil, scroll, curl, whorl, roll, curlicue, gyre,

Antonyms:

unwind, uncoil, unbend, repel, straighten,