dehisce


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dehisce

(dĕ'his),
To burst.

dehisce

(dĭ-hĭs′)
intr.v. de·hisced, de·hiscing, de·hisces
1. Botany To open at definite places, discharging seeds, pollen, or other contents, as the ripe capsules or pods of some plants.
2. Medicine To rupture or break open, as a surgical wound.

dehisce

verb To have opened, as may occur in a recently closed wound in which the sutures or staples have failed.
References in periodicals archive ?
To determine the date the tagged bolls matured (defined as when the sutures dehisce naturally or under pressure between the thumb and forefinger), tagged bolls from the 10 plants in each plot were monitored daily beginning about 35 d after the first flowers were tagged.
grisea was gathered by picking catkins from a tree and allowing the catkins to dry and dehisce in paper bags for up to 24 hours.
Some of the capsular fruits open completely to shed the seeds, sometimes with individual seeds adhering to the valves as they shed; others remain attached to the twig and dehisce their seeds as the fruit is shaken by the wind.
Wounds that dehisce frequently are left to heal by secondary intention.
Pods ripen by early fall as the above-ground tissues senesce and seeds are released as the pods dehisce or fragment.
In warm weather and at high atmospheric and soil humidity, anthers dehisce faster (De Vries, 1971).
Holden (1956) indicated that an indehiscent flax variety could partly dehisce 50% of the fruits at a more humid climate.
Follicles dehisce in late August-early September releasing wind-dispersed seeds.
Plants observed in the field or cultivated in the greenhouse require no hand pollination to achieve nearly 100% fruit set; anthers dehisce within the bud of a flower before it opens.
These cupules are usually armed with spines but dehisce at maturity to expose and release the nut.
When fruits mature in early October through November the capsules turn black and dehisce. Eventually the husks fall and the exposed seeds remain attached by a woody pedicel.
Once anthers began to dehisce, polyads were also collected: the numbers increased as dehiscence took place, and then decreased as they were removed by pollinators.