Accessory Fruit
Accessory Fruit - Related Videos
01:58
Fruit Development, Structure, and Function
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2020
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits. Fruits can be classified based on the number of flowers and the structure of the carpels involved in their formation.
15:53
Isolation and Biophysical Study of Fruit Cuticles
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Cited by 16 •
2012
Aerial plant organs are protected by the cuticle, a supramolecular biopolyester-wax assembly. We present protocols to monitor selective removal of epi- and intracuticular waxes from tomato fruit cuticles on molecular and micro scales by solid-state NMR and atomic force microscopy, respectively, and to assess the cross-linking capacity of engineered cuticular biopolyesters.
11:02
Fruit Volatile Analysis Using an Electronic Nose
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Cited by 10 •
2012
A rapid method for volatile compound analysis in fruit is described. The volatile compounds present in the headspace of a homogenate of the sample are rapidly separated and detected with ultra-fast gas chromatography (GC) coupled with a surface acoustic wave (SAW) sensor. A procedure for data handling and analysis is also discussed.
01:58
Accessory Organs
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2026
Accessory organs are those that participate in the digestion of food but do not come into direct contact with it, unlike the mouth, stomach, or intestine. Accessory organs secrete digestive secretions into the digestive tract to facilitate the breakdown of food.Salivary GlandsSalivary glands secrete saliva—a complex liquid containing in part water, mucus, and amylase. Amylase is a digestive enzyme that begins breaking down starches and other carbohydrates even before they reach the...
02:59
Drosophila Male Accessory Gland Dissection: A Method to Isolate Secondary Cells
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2023
This video describes the dissection of the accessory glands from male flies and shows an example in which the isolated gland will be dissociated into a single cell suspension.
FAQs
Hormonal signals stimulate coordinated growth in the ovary and in additional floral tissues after pollination and fertilization. This coordination determines how much of the mature fleshy structure comes from each part. Studying the response helps biologists connect reproductive events with visible fruit development and understand why related plants can produce fruitlike structures with different anatomical origins.
The receptacle, hypanthium, and inflorescence axis can enlarge alongside the ovary and contribute substantially to the mature structure. Their involvement changes which tissues form the edible or fleshy portion. In a strawberry, for instance, the receptacle enlarges while the actual fruits remain the small achenes distributed across its surface.
The key distinction is developmental origin rather than simply external appearance or fleshiness. A true fruit forms primarily through ovary maturation, whereas an accessory fruit includes a major contribution from other floral or inflorescence tissues. This comparison gives biologists a framework for classifying fruit diversity according to the structures that enlarge after reproduction.
Developmental origin links fruit structure with the plant’s reproductive strategy and later seed dispersal. When tissues surrounding the ovary enlarge, they can create a prominent fruitlike structure that carries or displays the actual fruits or seeds. Examining these relationships helps explain how different plants produce diverse reproductive structures after pollination and fertilization.
Biologists can examine which tissues form most of the mature fleshy structure and determine whether that tissue comes mainly from the ovary or from another floral or inflorescence part. In strawberries, locating the achenes on the enlarged receptacle provides a clear example. This anatomical comparison supports classification based on developmental origin rather than appearance alone.
Apples, pears, strawberries, and pineapples are economically important crops associated with accessory fruit development. Their inclusion shows that the concept applies beyond comparative botany to cultivated plants. Recognizing the tissues involved can support biological classification and inform breeding and cultivation work focused on fruit structure and development.
Research on accessory fruits can show how different plant tissues participate in forming structures that carry reproductive products. Comparing the ovary with the receptacle, hypanthium, or inflorescence axis helps explain variation among fruits and their associated dispersal structures. These observations contribute to broader studies of plant diversity, reproductive strategies, and the movement of seeds.