Fruits and Seeds Chapter 8 (Week 4 Lecture 6) Flashcards
What is a fruit?
Matured ovary and its accessory parts that contains seeds and are found exclusively in flowering plants
What are the 5 characteristics that could make up a fruit?
Can consist of only ovary and seeds Can include adjacent flower parts May be fleshy or dry at maturity May split or not split May be derived from a one or more ovaries
______ is the skin of the fruit.
Exocarp
What is the endocarp?
Inner boundary around seed(s)
______ is the tissue between the exocarp and endocarp.
Mesocarp
The exocarp, endocarp and mesocarp collectively make up the ______.
Pericarp
What are the 5 types of fruits?
Simple fruits, multiple fruits, aggregate fruits, fleshy fruits, and dry fruits
______ _______ fruits develop from flower with single pistil.
Simple fleshy
What are the 5 types of fleshy fruits?
Drupe, hesperidium, berry, pepo and pome
______ are simple fleshy fruit with a single seed enclosed by hard stony endocarp (pit)
Drupe
Peaches, almonds and olives are examples of what fleshy fruit?
Drupes
______ fleshy fruits from a compound ovary, with more than one seed, and with fleshy pericarp.
Berry
True berries have ______ skin and a relatively soft ______.
Thin, pericarp
Tomatoes, grapes, peppers, blueberries, bananas are example of what fleshy fruits?
True berries
______ have relatively thick rind.
Pepo
Pumpkins and cucumbers are examples of what type of fleshy fruit?
Pepo
______ have leathery skin containing oil.
Hesperidium
Citrus fruits are what type of fleshy fruit?
Hesperidium
______ fruit are when Flesh comes from enlarged floral tube or receptacle that grows up around ovary.
Pome
Apples and pears are examples of what type of fleshy fruit.
Pome
There are two types of dry fruits, ______ fruits split at maturity while ______ fruits do not.
Dehiscent, indehiscent
What are the 5 types of dry dehiscent fruits?
Follicle, silicle, legume, capsule and silique
______ fruits splits along one side and includes larkspur, milkweed and peony.
Follicle
______ splits along two sides and includes peas, beans, lentils and peanuts.
Legume
______ and ______ fruits split along two sides, but seeds on central partition, which is exposed when two halves separate and include mustard family, broccoli and cabbage.
Siliques and silicles
______ fruits Consist of at least two carpels, and split in a variety of ways and include irises, poppies, violets and snapdragons.
Capsule
What are the 5 types of dry indehiscent fruits?
Achene, nut, grain (caryopsis), samara, and schizocarp
______ fruits have the base of seed attached to pericarp and include sunflower seed, buttercup and buckwheat.
Achene
______ fruits are similar to achene, but larger, with harder and thicker pericarp, and a cluster of bracts at base and include acorns, hazelnuts and hickory nuts.
Nuts
______ fruits have their pericarp tightly united with seed and include corn, what, rice and barely.
Grain (caryopsis)
In ______ fruits, their Pericarp extends as wings for dispersal and include maples, ashes and elms.
Samara
______ fruits are Twin fruit that breaks into one-seeded segments that include parsley, carrots anise and dill.
Schizocarp
______ fruits are derived from single flower with several to many pistils that includes raspberries, strawberries and blackberries.
Aggregate fruits
______ fruits are derived from several to many individual flowers in single inflorescence that includes mulberries, pineapple and figs.
Multiple fruits
Samaras, plumes or hairs on fruit use dispersal by?
Wind
Seeds with small and lightweight, or with wings use dispersal by?
Wind
Seeds pass through digestive tract, fruits and seeds adhere to fur or feathers, and oils attract ants are examples of dispersal by?
Animals
Fruits that contain trapped air for flotation can be dispersed by?
Water
______ are food storage organs that function as “seed leaves”.
Cotyledons
_____ consists of the cotyledon and plantlet.
Embryo
______ is the embryo shoot.
Plumule
What is the epicotyl?
Stem above cotyledon attachment
What is the hypocotyl?
Stem below cotyledon attachment
______ is the tip of embryo that develops into root.
Radicle
______ is the beginning or resumption of seed growth.
Germination
______ is the artificial breaking of dormancy.
Scarification
True or False: After ripening, the embryo is composed of only of few cells when fruit ripens and seeds will not germinate until embryo develops.
True
______ is no period of dormancy and embryo continues to grow while fruit is still on parent.
Vivipary
How is viability extended in fruits and seeds?
When kept dry and at low temperatures