Botany One of the two divisions of bilabiate corolla or calyx, as in the snapdragon, or the modified upper petal of an orchid flower.

唇瓣：雙唇花冠或花萼兩部分之一，如金魚(yú)草或蘭花的裝飾性上部花瓣

Male flowers pedicellate or sessile; sepals 4-6, distinct, usually unequal, imbricate; petals absent; stamens 1-25, 1 to several whorls surrounding disk or outer ones inserted at margin or sinus of disk, inner ones inserted on disk; filaments free; anthers bilocular, usually introrse, rarely extrorse, longitudinally dehiscent; disk flattened or concave, margin shallowly or deeply fid; rudimentary ovary very small or absent.

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Fertile stamens 3, on 1 side, 2 inserted opposite sepals, 1 opposite petal; filaments glabrous; staminodes 3; antherodes 4-lobed, butterflylike.

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Inflorescences, calyces, petals, ovary, and other parts usually with stellate, squamate, fascicled or free-standing hairs.

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Corolla campanulate; petals 5, yellow , with or without dark purple basal spot.

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Corolla yellow or ± orange, broadly campanulate; petals 5, scarcely longer than calyx.

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Petals 3-4.3(-5) mm; ovary white canescent; seeds with conspicuous chalazal collar.

花瓣3-4.3(-5)毫米；子房白色被灰白毛；種子具明顯的合點(diǎn)領(lǐng)中日韩人妻人人爽。

Petals 7-11 mm; ovary pubescent but not white canescent; seeds with inconspicuous chalazal collar.

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Petals very shortly clawed or clawless.

花瓣非常短的瓣爪或無(wú)爪在线鲁一鲁。

Quercetin,a flavonol with o-dihydroxy-benzene wasdetermined as one of major pigment of 'Concolor' wintersweet petal.

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