FLOWER ANALYSIS WORKSHEET

Flower #1

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream.

It is on page 334 in Newcomb’s Wildflowers

Common name: star-of-Bethlehem Scientific name: Ornithogalum umbellatum

Corolla: number of petals 6  separate or fused? separate 

Calyx: number of sepals 6  separate or fused? separate

Adroecium: number of stamens 6 separate, fused or arranged in any special way? separate and arranged in a circle around ovary, the filaments is shaped like a petal with the anther on top.

Gynoecium type: unicarpellate, apocarpous, or  syncarpous (and # of carpels = 3)
How can you tell? (Cite the features were apparent about the number of carpels.) syncarpous because cross section of the ovary revealed 3 carpels.

Flower type/ovary position: Hypogynous, or perigynous or epigynous? hypogynous 

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic 

Additional distinctive features: the flowers open up late in the day which gave the a nickname of nap-at-noon.

FLOWER ANALYSIS WORKSHEET

Flower #2

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream.

It is on page 332 in Newcomb’s Wildflowers

Common name: stout blue-eyed grass   Scientific name: Sisyrinchium angustifolium

Corolla: number of petals: 3  separate or fused? separate

Calyx: number of sepals 3  separate or fused? separate 

Adroecium: number of stamens 3 separate, fused or arranged in any special way? all fused together in the center of the flower appearing like one stamen.

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 3)
How can you tell? (Cite the features were apparent about the number of carpels.)syncarpous because cross section of the ovary revealed 3 carpels.

Flower type/ovary position: Hypogynous, or perigynous or epigynous? epigynous 

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic 

Additional distinctive features: without the flowers in bloom the plant appears like normal grass.

FLOWER ANALYSIS WORKSHEET

Flower #3

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream.

It is on page 248 in Newcomb’s Wildflowers

Common name: garden phlox  Scientific name: Phlox paniculata

Corolla: number of petals 5  separate or fused? fused

Calyx: number of sepals 5  separate or fused? fused

Adroecium: number of stamens 5 separate, fused or arranged in any special way? separate from each other but fused to the petal and hidden within the tube they form.

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 3)
How can you tell? (Cite the features were apparent about the number of carpels.) syncarpous because cross section of ovary revealed 3 carpels.

Flower type/ovary position: Hypogynous, or perigynous or epigynous? hypogynous 

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic 

Additional distinctive features: there are many clusters of flowers blooming from the same stem.

FLOWER ANALYSIS WORKSHEET

Flower #4

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream.

It is on page 228 in Newcomb’s Wildflowers

Common name: Virginia waterleaf  Scientific name: Hydrophyllum virginianum

Corolla: number of petalsseparate or fused? fused

Calyx: number of sepals 5 separate or fused? fused

Adroecium: number of stamens 5 separate, fused or arranged in any special way? separate and arranged evenly around the pistil, much longer than the petals and are hairy.

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 2)
How can you tell? (Cite the features were apparent about the number of carpels.) syncarpous because the stigma has two branches. 

Flower type/ovary position: Hypogynous, or perigynous or epigynous? hypogynous

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic 

Additional distinctive features: most parts of this flower are very hairy. 

FLOWER ANALYSIS WORKSHEET

Flower #5

This flower was found here (location and habitat/environment): the overgrown courtyard of my apartment complex in Columbus, OH.

It is on page 36 in Newcomb’s Wildflowers

Common name: white clover Scientific name: Trifolium repens

Corolla:Â number of petals 5 separate or fused? fused 

Calyx:Â Â Â number of sepals 5 separate or fused? fused

Adroecium: number of stamens 10 separate, fused or arranged in any special way?  stamens are fused to each other at their bases.

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 1)
How can you tell? (Cite the features were apparent about the number of carpels.) apocarpous because each unit unicarpellate which was determined by the unbranched stigma.

Flower type/ovary position: Hypogynous, or perigynous or epigynous? perigynous 

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? zygomorphic 

Additional distinctive features: the leaves of this flower are the 3 leaved clover – or if you’re lucky 4!

FLOWER ANALYSIS WORKSHEET

Flower #6

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream. 

It is on page 246 in Newcomb’s Wildflowers

Common name: creeping wood sorrel  Scientific name: Oxalis corniculata

Corolla: number of petals 5  separate or fused? separate

Calyx: number of sepals 5 separate or fused? separate 

Adroecium: number of stamens 10 separate, fused or arranged in any special way?  stamens are separate and not all the same size, some long some short. 

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 5)
How can you tell? (Cite the features were apparent about the number of carpels.) syncarpous because a cross section of the ovary revealed 5 carpels.

Flower type/ovary position: Hypogynous, or perigynous or epigynous? hypogynous

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic

Additional distinctive features: this is a creeping plant with smaller leaves and flowers.

FLOWER ANALYSIS WORKSHEET

Flower #7

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream.

It is on page 280 in Newcomb’s Wildflowers

Common name: wild geranium or spotted cranesbill Scientific name: Geranium maculatum

Corolla: number of petals 5  separate or fused? separate

Calyx: number of sepals  5  separate or fused? separate 

Adroecium: number of stamens 10 separate, fused or arranged in any special way?  stamen are separate.

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 5)
How can you tell? (Cite the features were apparent about the number of carpels.) syncarpous because stigma has 5 branches indicating 5 carpels. 

Flower type/ovary position: Hypogynous, or perigynous or epigynous? hypogynous 

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)?  actinomorphic 

Additional distinctive features: the leaf of this flower is lobbed and toothed.

FLOWER ANALYSIS WORKSHEET

Flower #8

This flower was found here (location and habitat/environment): Iuka Park in Columbus, OH near a small stream.

It is on page 138 in Newcomb’s Wildflowers

Common name: dame’s rocket  Scientific name: Hesperis matronalis 

Corolla: number of petals 4 separate or fused? separate 

Calyx: number of sepals 4 separate or fused? separate

Adroecium: number of stamens 6 separate, fused or arranged in any special way? stamen are separate but close together and hidden within the tube like shape of the flower.

Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels = 2)
How can you tell? (Cite the features were apparent about the number of carpels.) syncarpous because cross section of ovary revealed 2 carpels.

Flower type/ovary position: Hypogynous, or perigynous or epigynous?  hypogynous

Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic

Additional distinctive features: although the perianth is not fused, the flower forms a tube shape.