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cleistogamous

American  
[klahy-stog-uh-muhs] / klaɪˈstɒg ə məs /
Also cleistogamic

adjective

Botany.
  1. pertaining to or having pollination occurring in unopened flowers.


cleistogamous Scientific  
/ klī-stŏgə-məs /
  1. Of or relating to a flower that does not open and is self-pollinated in the bud. The fertile flowers of the violet are inconspicuous and cleistogamous, while the plant's more familiar showy flowers are usually infertile.


Other Word Forms

Etymology

Origin of cleistogamous

First recorded in 1880–85; cleisto- + -gamous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Pedicels short and bracts small; corolla pale yellow, 4´´ long, with short spur and entire crest, or flowers often cleistogamous and much smaller, without spur or crest; pods ascending, torulose; seeds obtuse-margined, smooth and shining.—N.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

In England, where this jewel-weed is rapidly becoming naturalized, Darwin recorded there are twenty plants producing cleistogamous flowers to one having showy blossoms which, even when produced, seldom set seed.

From Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors by Blanchan, Neltje

The flowers of these plants, in which, however,—in contrast to the cleistogamous flowers—the corolla is well developed, remain closed and fruit is produced.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)

This species produces an abundance of late cleistogamous flowers on erect stems.

From Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors by Blanchan, Neltje

His view that cleistogamous flowers are derived from originally chasmogamous flowers has been confirmed by more recent researches.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)

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