FLOWER ANALYSIS WORKSHEET
Flower #1: purple-leaved willow-herb
This flower was found here (location and habitat/environment): at a restored tallgrass prairie on the OSU-Marion campus.
It is on page 140 in Newcomb’s Wildflowers.
Common name: purple-leaved willow-herb Scientific name: Epilobium coloratum.
Corolla: number of petals 4 separate or fused? separate
Calyx: number of sepals 4 separate or fused? separate
Adroecium: number of stamens 8 separate, fused or arranged in any special way?
8, separate, and attached alternately between the petals and in front of them, in a whorl around the stigma.
Gynoecium type: unicarpellate, apocarpous, or syncarpous (and # of carpels =_____)
How can you tell? (Cite features that indicate the number of carpels.)
syncarpous, consisting of 4 carpels (as evidenced by the slightly 4-angled stigma and the 4-angled ovary. Also, a cross-section of the ovary shows 4 chambers.
Flower type/ovary position: Hypogynous, or perigynous or epigynous? epigynous
Flower symmetry: actinomorphic (regular) or zygomorphic (irregular)? actinomorphic (regular)
Additional distinctive features: the flowers have an especially long and narrow ovary that is inferior, resembling a pedicel.
FLOWER ANALYSIS WORKSHEET
Flower #2: Hedge bindweed
This flower was found here (location and habitat/environment): Weedy trail edge at OSU-Marion Campus Prairie, reclining on raspberry shrubs.
It is on page 324 in( Petrides Trees & Shrubs (as Convolvulus sepium)
Common name hedge bindweed Scientific name: Calystegia sepium
Corolla: number of petals 5 separate or fused? fused, into a bell shape (campanulate) with 5 barely perceptible lobes; fused into a tubethat extends from the bases of the flower
Calyx: number of sepals 5, separate, small and inconspicuous, obscured by 2 large sepal-like bracts.
Adroecium: number of stamens 5, attached to corolla-tube.
Gynoecium type: unicarpellate, or syncarpous: syncarpous, consisting of 3 carpels, as evidenced by the 3-lobed stigma.
Flower type/ovary position: hypogynpus, with a superior ovary.
Flower symmetry: actinomorphic (radial).
Additional distinctive features: the stamens are attached to the corolla tube.
FLOWER ANALYSIS WORKSHEET
Flower #3: Queen Anne;s lace
This flower was found here (location and habitat/environment): disturbed edge of a parking lot at the OSU-Marion Campus Prairie
It is on page 220 in Newcomb’s Wildflowers
Common name Queen Anne’s lace Scientific name: Daucus carota
Corolla: number of petals 5 separate or fused? separate
Calyx: number of sepals 5 separate or fused? they seem separate, but are so small it is difficult to judge
Adroecium: number of stamens: 5, separate, alternating with the petals
Gynoecium type:syncarpous, with 2 carpels (evident by deep ridge in center of ovary, and 2-branched stigma
Flower type/ovary position:epigynous with an inferior ovary
Flower symmetry: actinomorphic (regular)
Additional distinctive features: The style base is expanded into a knob-like structure at the top of the flower.
FLOWER ANALYSIS WORKSHEET
Flower #4: slender-leaved false foxglove
This flower was found here (location and habitat/environment): open sparsely wooded hillside in Delaware near Alum Creek reservoir
It is on page 254 in Newcomb’s (as Gerardia tenuifolia)
Common name slender Gerardia Scientific name: Agalinus tenuifolia
Corolla: number of petals 5 separate or fused? fused
Calyx: number of sepals 5 separate or fused? fused
Adroecium: number of stamens 4 (according to a technical manual, but I can only see 2 in the photo)
Gynoecium type syncarpous, of 2 carpels
Flower type/ovary position: hypogynous with a superior ovary
Flower symmetry: zygomorphic (bilateral)
Additional distinctive features: The stamens are inserted on the corolla tube, but this is not a hypanthium, because it doesn’t include the sepals.
FLOWER ANALYSIS WORKSHEET
Optional Asteraceae
sawtoothed sunflower (Helianthus grosseserratus)
This flower was found here (location and habitat/environment): as a dominant species n the Ohio State-Marion Prairie.
It is on page 388 in Newcomb’s Wildflowers (similar species are there, not this exact one).
FLOWER ANALYSIS WORKSHEET
Optional Asteraceae
sneezeweed (Helenium autumnale)
This flower was found here (location and habitat/environment): as a dominant species n the Ohio State-Marion Prairie.
It is on page 376 in Newcomb’s Wildflowers (similar species are there, not this exact one).
FLOWER ANALYSIS WORKSHEET
Optional Asteraceae
grassleaved goldenrod (Euthamia graminifolia)
This flower was found here (location and habitat/environment): as a dominant species n the Ohio State-Marion Prairie.
It is on page 450 in Newcomb’s Wildflowers (as Solidago graminifolia).
FLOWER ANALYSIS WORKSHEET
Optional Asteraceae
prairie dock (Silphium terebinthinaceum)
This flower was found here (location and habitat/environment): as a dominant species n the Ohio State-Marion Prairie.
It is on page 362 in Newcomb’s Wildflowers (similar species are there, not this exact one).