Flowering plants exam 1

Flower

A modified shoot with modified leaves 

Pistil

Perianth

Structure consisting of Calyx and Corolla

Stamen

Complete flower

contains all 3 parts (stamen, pistil, perianth)

Incomplete flower

Missing one or more part of a flower

Perfect flower (bisexual)

Both Androecium and Gynoecium are present

Imperfect flowers (unisexual)

Either a Androecium or Gynoecium is present

Monoecious

Staminate and pistillate flowers on same plant

Dioecious

Staminate and pistillate flowers on separate plants

Calyx (K)

All sepals; outer perianth

Corolla (C)

All petals; inner perianth

Androecium (A)

The “male” structure. Pollen producing structure

Gynoecium (G)

“Female” structure. Ovule-producing structures

Radial symmetry

Two or more planes of symmetry

Bilateral symmetry

One plane of symmetry

Connation

Fusion of like plants (connate petals)

Adnation

Fusion of unlike parts (Adnate stamens)

Synsepalous

Connate sepals 

Aposepalous

Distinct sepals

Sympetalous

Petals Connate

Apopetalous

Petals distinct

Apetalous

Petals absent

Sympetalous Corolla

Androecium

Theca

Filament

Pollen sac

Carpel