Skidmore College: Plant Biology

Lab Slides- Gymnosperms and Angiosperms
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  Gymnosperms and Angiosperms (scroll down)

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Gymnosperms (scroll down)

Cycad- leaves and male cone (strobilus)

Cycad- female cone (strobilus)

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Welwitschia (from South Africa)

 

Ephedra- female/male cones

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Conifers

_Hemlock-male cone

Hemlock- female cone

Pine- female cone

Juniper "berries" (female cones)

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ANGIOSPERMS

Rose petals and sepals

____________________________________________________ Rose petals and stamens Rose ovaries and stamens

 

Rose ovaries with ovules and stamens

 

 

Composite inflorescence (disk and ray flowers)

Lily floral parts

Lily flower cross sction

Lily stamens Lily anther

Lily anthers- cross section Lily anthers- cross section (pollen sacs shown)

Lily pollen grain Lily pistil with stigma, style, ovaryl Lily- gynoecium Lily ovule with megasporangium Lily- double fertilization

Lily -developing embryo

Capsella fruit with seeds Capsella- mature embryo Capsella- embryo- torpedo stage

   
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