monopetalous

[mon-uh-pet-l-uhs]

adjective

Botany.

1. gamopetalous.

2. having only one petal, as a corolla.

monopetalous

/ ˌmɒnəʊˈpɛtələs /

adjective

1. (of flowers) having only one petal

Word History and Origins

Origin of monopetalous¹

First recorded in 1685–95; mono- + petalous

Example Sentences

Chiefly stemless herbs, with regular 4-merous spiked flowers, the stamens inserted on the tube of the dry and membranaceous veinless monopetalous corolla, alternate with its lobes;—chiefly represented by the two following genera.

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Woody plants, monopetalous, didynamous or diandrous, with the ovary commonly 2-celled by the meeting of the two parietal placentæ or of a projection from them, many-ovuled; fruit a dry capsule, the large flat winged seeds with a flat embryo and no albumen, the broad and leaf-like cotyledons notched at both ends.—Calyx 2-lipped, 5-cleft, or entire.

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Corolla monopetalous, rarely polypetalous, hypogynous.—Shrubs or small trees.

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Herbs with acrid milky juice, alternate leaves, and scattered flowers, an irregular monopetalous 5-lobed corolla, the 5 stamens free from the corolla, and united into a tube commonly by their filaments and always by their anthers.—Calyx-tube adherent to the many-seeded pod.

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This plant has no calyx; the corolla is monopetalous, and of the colour of the brightest gold, which produces a splendid appearance when in bloom.

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