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External reproductive structures: review First, non-flowering plants Moss sporangia Horsetail ( Equisetum ) sporangia Fern sori (clusters of sporangia) Knobcone pine cones (serotinous) Burned cone Juniper “berry” (cone) Cypress ( Cupressus ) cone Flowers and inflorescences,

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external reproductive structures review

External reproductive structures: review

First, non-flowering plants

slide9

Flowers and inflorescences,

emphasizing representatives

from prominent California

plant families

collective terms for flower parts
Collective terms for flower parts

Note: this is a perfect flower, i.e., with both male and female parts

slide11

Petals

Stigma

Anther

Filament

Style

Sepal

Ovary

Longitudinal section through Petunia flower

slide12

Simple inflorescence (single flower):

Matilija poppy (Rhomneya coulteri)

slide14

Branched inflorescence in the Poaceae

(slender wild oats, Avena fatua)

slide15

Disc flowers

Ray flowers

Head inflorescence in the Asteraceae

(Encelia farinosa)

slide16

Stamens (leaflike, many)

Tepals (free, dull-colored)

“Primitive” flower in the Lauraceae

(Umbellularia californica)

slide17

Actinomorphic (radially symmetrical) flower

in the Brassicaceae with 4-petals in shape of cross

(Brassica rapa)

slide19

Banner

Wing

Keel

Inflorescence in the Fabaceae--individual

flowers with banner, wing, and keel petals

(Lupinus succulentus)

slide20

Headlike-inflorescence in the Lamiaceae

with zygomorphic flowers, exserted stamens

(Salvia leucophylla)