sepal

Example Sentences

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By mutating genes that control polyploidy in the mustardlike plant Arabidopsis thaliana, she and her team discovered that if the sepal had too few polyploid cells, it was stiff and upright and blooming was impeded.

From Science Magazine • Aug. 23, 2023

Goethe recognized that all the parts of a flower, from pistil to sepal, are modified leaves.

From Nature • Aug. 5, 2019

Stems hairy, creeping at base; leaves ovate, clasping, entire, basally nerved; peduncles shorter than the calyx; upper sepal heart-shaped; corolla blue.—Margin of pine-barren ponds, N. J. and Md. to La.—Aromatic when bruised.

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

The upper sepal is frequently the showiest feature in the flower; the lower sepals are joined and arranged behind the lip, whilst the petals extend on each side and vary much in form.

From Orchids by O'Brien, James

Longitudinal section of flower; v, bracteole on the peduncle; l, sepals; ls, appendage of sepal; c, petals; cs, spur of the lower petals; fs, glandular appendage of the lower stamens; a, anthers.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various