Horticulture Midterm 3 Pt 2

Front 1

Independant Assortment

Back 1

each homologous pair acts independantly

Front 2

Crossing over

Back 2

combining DNA

Front 3

Angiosperms

Back 3

grek "seed vessel" most successful class of plants; reproduction

Front 4

Flower

Back 4

reproductive structure varying in size shape and color; from the vegetative (L2) meristems that become reproductive; all parts are modified leaves

Front 5

Whorls

Back 5

Name of the layers of a flower

Front 6

Flower Layers

Back 6

sepals, petals, stamens, carpels

Front 7

Petels

Back 7

2nd whorl; collectively called corolla; attract pollinators; color related to pollinator

Front 8

Receptacle

Back 8

base of flower where parts are attached

Front 9

Sepals

Back 9

outer wholr, function protct flower; may shed or curl backwards as flowers open; collectively called calyx

Front 10

Tepals

Back 10

when the 2 wholrs that make up the caylx and the corolla are indistinguishable

Front 11

Androecium

Back 11

male reproduction structures

Front 12

Gynoecium

Back 12

female reproduction structures

Front 13

Stamen

Back 13

consists of a phlament and anther (male)

Front 14

Pistil

Back 14

consists of a stigma, style, and an ovary (female)

Front 15

Ovary

Back 15

contains ovules which develop into seeds

Front 16

Style

Back 16

elevates stigma to position for pollen collections and conduit for pollen growth

Front 17

Stigma

Back 17

tip of pistil where pollen adheres

Front 18

Epigynous

Back 18

flowers have flower parts attached abover the ovary; ovary is INFERIOR

Front 19

Perigynous

Back 19

flowers have parts that are attached around the ovary; over is SUPERIOR

Front 20

Hypogynous

Back 20

flowers have parts attached below the ovary; ovary is SUPERIOR

Front 21

Complete flowers

Back 21

flowers with all four whorls present

Front 22

incomplete flowers

Back 22

flowers missing one or more whorl

Front 23

Perfect flowers

Back 23

flowers with both male and female parts present

Front 24

Imperfect flowers

Back 24

flowers with either male or female parts present

Front 25

Staminate flowers

Back 25

flowers with only male parts

Front 26

carpellate flowers

Back 26

flowers with only female parts present

Front 27

Monoclinous

Back 27

a plant with only perfect flowers

Front 28

Monoecious

Back 28

a single plant with both stamenate and carpellate flowers

Front 29

Dioecious

Back 29

a single plant with either stamenate or carpellate flowers

Front 30

Polygamo-dioecious

Back 30

having male and female flowers on the same plant, but perfect flowers as well

Front 31

Polygamo Monoecious

Back 31

having male and female flowers on the same plants but perfect flowers as well

Front 32

Pollination

Back 32

the process of placing the pollen from an anther onto a stigma

Front 33

Self pollination

Back 33

pollen of flower pollinates stigma of same flower and subsequent fertilization occurs

Front 34

Cross pollination

Back 34

pollen from one plant pollinates the stigma of a plant of the same species and subsequently fertilizes the egg of a flower on a different plant

Front 35

Self- incompatability

Back 35

a plant unable to fertilize itself due to phyisical or chemical makeups

Front 36

Cleistogamy

Back 36

flowers stay coled in certain situation sand self pollinate

Front 37

Chasmogagy

Back 37

another name for cross pollination

Front 38

Hybrid vigor

Back 38

occurs where plants form 2 different species/cultivars/genera are crossed