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Eudicots. Chapter 8 Simpson, 2 nd Edition. Eudicots. 190,000 species (75% of angiosperms). tricolpate pollen. Dicentra - Dutchman ’ s breeches. Papaver somniferum. Basal Tricolpates. K 2(3) or (2 [3]) C 2+2 or 3+3 A∞ G (2) superior. A. Order Ranunculales Papaveraceae

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eudicots

Eudicots

Chapter 8

Simpson, 2nd Edition

eudicots1
Eudicots

190,000 species (75% of angiosperms)

basal tricolpates

tricolpate pollen

Dicentra - Dutchman’s breeches

Papaver somniferum

Basal Tricolpates

K2(3) or (2 [3]) C2+2 or 3+3 A∞G(2) superior

A. Order Ranunculales

Papaveraceae

44/780 Cosmopolitan

1) herbaceous

2) milky or colored latex

3) deciduous sepals

4) crumpled petals

5) numerous stamens

6) syncarpous

Argemone - prickly poppy

basal tricolpates1

Delphinium

Ranunculus flower and fruit

Clematis fruit

ternately compound leaves

Aquilegia coerulea

Aconitum

Basal Tricolpates

K5-8(3) Cfew-∞ (0)

A∞ G∞(1-few) superior

A. Order Ranunculales

Ranunculaceae- buttercup family

62/2300 termperate, boreal

1) herbs, shrubs, lianas; terrestrial, aquatic; perennial, annual

2) leaves ternately compound to simple

(ternate = occurring in three's)

3) actinomorphic (zygomorphic)

4) spiral perianth

5) numerous A & G parts

6) apocarpous

basal tricolpates2
Basal Tricolpates

A. Order Ranunculales

Ranunculaceae- buttercup family

Aquilegia canadensis

ternately compound leaves

basal tricolpates3

receptacle

fruiting receptacle with nuts

Basal Tricolpates

P2+∞+∞ A∞ G∞ superior

B. Order Proteales

vesselless, perennial aquatics

Nelumbonaceae - water-lotus

1/2 eastern North America

  • aquatic herbs
  • atactostelic stems (often)
  • suborbicular concave-peltate emergent leaves
  • large, conspicuous, actinomorphic flowers
  • numerous floral parts
  • large flat-topped receptacle
  • pistils partially embedded within receptacle
slide9
B. Order Proteales

Nelumbonaceae- water-lotus