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Dichotomous Key to the Different Simple Fruit Types: Fruit derived from a single flower Fruit derived from a single ovary (pistil) of 1 flower SIMPLE FRUIT Pericarp dry at maturity (i. e., at time of seed maturation and dispersal) Fruit winged [Note: Many fruit types below may be winged; these may be called a samara or, e.g., a "winged achene."] Fruit not winged Fruit dehiscent (splitting or opening in a regular manner) Carpel 1 Fruit dehiscing along a single (ventral) line Fruit dehiscing along two lines. 1) 2) 3)

Dichotomous Key to the Different Simple Fruit Types: Fruit derived from a single flower Fruit derived from a single ovary (pistil) of 1 flower SIMPLE FRUIT Pericarp dry at maturity (i. e., at time of seed maturation and dispersal) Fruit winged [Note: Many fruit types below may be winged; these may be called a samara or, e.g., a "winged achene."] Fruit not winged Fruit dehiscent (splitting or opening in a regular manner) Carpel 1 Fruit dehiscing along a single (ventral) line Fruit dehiscing along two lines. 1) 2) 3)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Dichotomous Key to the Different Simple Fruit Types: Fruit derived from a single flower Fruit derived from a single ovary (pistil) of 1 flower = SIMPLE FRUIT Pericarp dry at maturity (i. e., at time of seed maturation and dispersal) Fruit winged 1. 1) [Note: Many fruit types below may be winged; these may be called a samara or, e.g., a "winged achene."] Fruit not winged Fruit dehiscent (splitting or opening in a regular manner) Carpel 1 Fruit dehiscing along a single (ventral) line Fruit dehiscing along two lines. Carpel 2 or more Carpels 2; fruits dehiscent along 2 lines, w/ persistent central septum (replum) bearing 2) 3) seeds Fruit about as long as broad Fruit 2X or more longer than broad Carpels 2 or more; fruits lacking a persistent central septum Fruit splitting into 2 or more mericarps enclosing seed(s) at time of splitting...6) [Note: The mericarp may be identified as a specific unit fruit type; e. g., a "schizocarp of follicles."] Fruit not splitting into mericarps Fruit dehiscing by pores 4) 5) 7) Fruit dehiscing by lines Lines of dehiscence transversely oriented Lines of dehiscence vertically oriented Lines of dehiscence opposite locules. Lines of dehiscence along septa.. 8). 9) _ 10) Fruit indehiscent Seed coat fused completely to pericarp.. Seed coat not fused to pericarp Pericarp moderately hard; seed attached to pericarp at one point Pericarp inflated, bladder-like (i.e., pericarp large in relation to seed)... Pericarp not inflated or bladder-like (i.e., pericarp ca. same size as seed)..... 13) Pericarp very hard; seed attached to pericarp at one or more points Pericarp fleshy at maturity (i. e., at time of seed maturation and dispersal) Endocarp hard and stoney. Endocarp not hard and stoney Ovary superior; endocarp with juice sacs (swollen liquid-filled trichomes). Ovary superior or inferior; juice sacs absent Ovary inferior; exocarp leathery & placentation parietal or endocarp cartilaginous & placentation axile Exocarp leathery and placentation parietal Endocarp cartilaginous and placentation axile Ovary superior or inferior; pericarp fleshy, but not a pepo nor a pome 11) 12) 14) 15) 16) 17) 18) 19) Fruit derived from several ovaries (pistils) of 1 flower = AGGREGATE FRUIT. Fruit derived from more than 1 (usu. several) flowers = MULTIPLE FRUIT.
Transcribed Image Text:Dichotomous Key to the Different Simple Fruit Types: Fruit derived from a single flower Fruit derived from a single ovary (pistil) of 1 flower = SIMPLE FRUIT Pericarp dry at maturity (i. e., at time of seed maturation and dispersal) Fruit winged 1. 1) [Note: Many fruit types below may be winged; these may be called a samara or, e.g., a "winged achene."] Fruit not winged Fruit dehiscent (splitting or opening in a regular manner) Carpel 1 Fruit dehiscing along a single (ventral) line Fruit dehiscing along two lines. Carpel 2 or more Carpels 2; fruits dehiscent along 2 lines, w/ persistent central septum (replum) bearing 2) 3) seeds Fruit about as long as broad Fruit 2X or more longer than broad Carpels 2 or more; fruits lacking a persistent central septum Fruit splitting into 2 or more mericarps enclosing seed(s) at time of splitting...6) [Note: The mericarp may be identified as a specific unit fruit type; e. g., a "schizocarp of follicles."] Fruit not splitting into mericarps Fruit dehiscing by pores 4) 5) 7) Fruit dehiscing by lines Lines of dehiscence transversely oriented Lines of dehiscence vertically oriented Lines of dehiscence opposite locules. Lines of dehiscence along septa.. 8). 9) _ 10) Fruit indehiscent Seed coat fused completely to pericarp.. Seed coat not fused to pericarp Pericarp moderately hard; seed attached to pericarp at one point Pericarp inflated, bladder-like (i.e., pericarp large in relation to seed)... Pericarp not inflated or bladder-like (i.e., pericarp ca. same size as seed)..... 13) Pericarp very hard; seed attached to pericarp at one or more points Pericarp fleshy at maturity (i. e., at time of seed maturation and dispersal) Endocarp hard and stoney. Endocarp not hard and stoney Ovary superior; endocarp with juice sacs (swollen liquid-filled trichomes). Ovary superior or inferior; juice sacs absent Ovary inferior; exocarp leathery & placentation parietal or endocarp cartilaginous & placentation axile Exocarp leathery and placentation parietal Endocarp cartilaginous and placentation axile Ovary superior or inferior; pericarp fleshy, but not a pepo nor a pome 11) 12) 14) 15) 16) 17) 18) 19) Fruit derived from several ovaries (pistils) of 1 flower = AGGREGATE FRUIT. Fruit derived from more than 1 (usu. several) flowers = MULTIPLE FRUIT.
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