• WordNet 3.6
    • adj indehiscent (of e.g. fruits) not opening spontaneously at maturity to release seeds
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Webster's Revised Unabridged Dictionary
    • a Indehiscent (Bot) Remaining closed at maturity, or not opening along regular lines, as the acorn, or a cocoanut.
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Century Dictionary and Cyclopedia
    • indehiscent In botany, not dehiscent; not opening spontaneously when mature, as a capsule or anther.
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Webster's Revised Unabridged Dictionary
Pref. in-, not + dehiscent,: cf. F. indéhiscent,


In literature:

Cones indehiscent, deciduous at maturity.
"The Genus Pinus" by George Russell Shaw
Fleshy fruits and stone fruits are of course indehiscent.
"The Elements of Botany" by Asa Gray
Indehiscent fruits are either dry, as the nut, or fleshy, as the cherry and apple.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3" by Various
Fruit dry and indehiscent.
"The Manual of the Botany of the Northern United States" by Asa Gray
A hard and indehiscent, 1-celled, 1-seeded fruit.
"Michigan Trees" by Charles Herbert Otis