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Fruit Terms
Structural and placentation terms for fruiting bodies
27
Plant Sciences
Undergraduate 3
02/01/2010

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Term
Placentation
Definition
Arrangement of ovules within the ovary
Term
Berries
Definition
A fleshy fruit developing from a single pistil, with several or many seeds, as the tomato. Sometimes applied to any fruit which is fleshy or pulpy throughout. eg. lacking a pit core
Term
Pome
Definition
A fleshy, indehiscent fruit derived from an inferior, compound ovary, consisting of a modified floral tube surrounding a core, as in an apple.
Term
Axile (P)
Definition
Ovules attached to the central axis of an ovary with two or more lucules (area containing the ovules)
Term
Pepo
Definition
A fleshy, indehiscent, many-seeded fruit with a tough rind, such as a melon or a cucumber
Term
Parietal
Definition
Ovules attached to the walls of the ovary.
Term
Accessory Fruit
Definition
A fleshy fruit developing from a succulent receptacle rather than the pistil. The ripened ovaries are small achenes on the surface of the receptacle, as in the strawberry.
Term
Aggregate Fruit
Definition
Usually applied to a cluster or group of small fleshy fruits originating from a numbe of separate pisitls in a single flower, as in the clustered drupelets of the raspberry.
Term
Multiple fruit
Definition
A fruit formed from several separate flowers crowded on a single axis, as a mulberry or pineapple.
Term
Syconium
Definition
The fruit of a fig, consisting of an entire ripened inflorescence with a hollow, inverted receptacle bearing flowers internally.
Term
Drupe
Definition
A fleshy, indehiscent fruit with a stony endocarp surrounding a usually single seed, as in a peach or cherry
Term
Nut
Definition
A hard, dry, indehiscent fruit, usually with a single seed.
Term
Achene
Definition
A small, dry, indehiscent fruit with a single locule and a single seed, and with the seed attached to the ovary wall at a single point, as in the sunflower.
Term
Samara
Definition
A dry, indehiscent, winged fruit
Term
Schizocarp
Definition
A dry, indehiscent fruit which splits into separate one-seeded segments (carpels) at maturity
Term
Caryopsis
Definition
A dry, one-seeded, indehiscent fruit with the seed coat fused to the pericarp, as in the fruits of the grass family; a grain
Term
Follicle
Definition
A dry, dehiscent fruit composed of a single carpel and opening along a single side, as a milkweed pod.
Term
Legume
Definition
A dry, dehiscent fruit derived from a single carpel and usually opening along two lines of dehiscence, as a pea pod.
Term
Capsule
Definition
A dry, dehiscent fruit composed of more than one carpel.
Term
Loculicidal Capsule
Definition
A capsule dehiscing through the locules of a fruit rather than through the septa.
Term
Septicidal Capsule
Definition
A capsule dehiscing through the septa and between the locules
Term
Free-Central (P)
Definition
Ovules attached to a free-standing column in the center of a unilocular ovary.
Term
Basal (P)
Definition
Ovules positioned at the base of a single loculed ovary
Term
Siliques
Definition
A dry, dehiscent fruit of the Cruciferae, typically more than twice as long as wide, with two valves separating from the persistent placentae and septum (replum)
Term
Silicle
Definition
A dry, dehiscent fruit of the Cruciferae, typically less than twice as long as wide, with two valves separating from the persistent placentae and septum (replum)
Term
Poricidal Capsule
Definition
A capsule opening by pores, as in a poppy
Term
Circumsissile Capsule
Definition
A capsule dehiscing along a transverse circular line, so that the top separates like a lid
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