Decurrent meaning

dĭ-kûr'ənt, -kŭr'-
Having the leaf base extending down the stem below the insertion.
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Extending down along the stem, as the base of some leaves.
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(botany) Pertaining to plant parts that extend downward, most often applied to leaf blades that partly wrap or have wings around the stem or petiole and extend down along the stem.
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(mycology) Pertaining to lamellae (the gills of a mushroom) that are broadly attached and extend down the stipe of the mushroom.

In this group of mushrooms, the attachment of the gills to the stipe is decurrent.

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Origin of decurrent

Middle English from Latin dēcurrēns dēcurrent- present participle of dēcurrere to run down dē- de- currere to run kers- in Indo-European roots

Sentence Examples

  • The spirally arranged petioles (Myeloxylon) were of great size, and their decurrent bases clothed the surface of the stem; their (From structure is closely similar to that Studies.) of recent Cycadean petioles; in FIG.

  • Decurrent gills characteristic of many Clitocybe species and the decurrent gills characteristic of many Clitocybe species and the decurrent vein-like folds of Cantharellus cibarius are also easily recognized.

  • 27), as in Lonicera Caprifolium; and when leaves adhere to the stem, forming a sort of winged or leafy appendage, they are decurrent, as in thistles.

  • This plant had a long, somewhat slender, ridged stem, the ridges corresponding to the decurrent bases of the spirally arranged leaves (fig.

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Words near decurrent in the Dictionary