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Eudicots (Tricolpates)

17) Ranunculaceae. Caryophyllid Clade. 24) Viscaceae. Rosid Clade. Asterid Clade. 18) Papaveraceae. Eudicots (Tricolpates). 19) Caryophyllaceae. 20) Chenopodiaceae (incl. In Amaranthaceae). 21) Cactaceae. 22) Droseraceae. 23) Polygonaceae. Caryophyllids. 22) Droseraceae.

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Eudicots (Tricolpates)

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  1. 17) Ranunculaceae Caryophyllid Clade 24) Viscaceae Rosid Clade Asterid Clade 18) Papaveraceae Eudicots (Tricolpates)

  2. 19) Caryophyllaceae 20) Chenopodiaceae (incl. In Amaranthaceae) 21) Cactaceae 22) Droseraceae 23) Polygonaceae Caryophyllids

  3. 22) Droseraceae • Sundew Family • Insectivorous, glandular herbs • Often of acid bogs • Leaves usually adaxially circinate (appearing to unwind from a spiral on upper side) • Leaves either with sticky glands (the leaf slowly rolls up on an entrapped insect) or sensitive hairs that trigger a snap trap closing on an insect • Sepals, petals, and stamens usually 5; carpels 3, fused, basal or parietal placentation; fruit a capsule

  4. ExamplesDroseraceae • Drosera spp. (sundews) • Dionea muscipula (venus fly trap)

  5. Dionaea muscipula

  6. Drosera spp.

  7. Drosera filiformus – Note the the adaxially circinate leaves

  8. Drosera rotundifolia

  9. Dionea muscipula – l.s. note basal placentation

  10. 23) Polygonaceae • Knotweed Family • Herbs (or shrub, tree, vine) with swollen nodes • Leaves with stipules fused into a tube sheathing the stem (nodal ocrea), or in their absence, flowers in involucrate heads (subtended by bracts) • Flowers usually small • Tepals 6, petaloid often in two series of 3; or sepals 3 and petals 3; or tepals 5 due to fusion of 2 tepals • Fruits and seeds polygonal in shape

  11. ExamplesPolygonaceae • Rheum palmatum (rhubarb) • Polygonum • Polygonella • Rumex (dock, buckwheat) • Eriognum (wild buckwheat)

  12. Polygonella articulata

  13. Polygonella articulata

  14. Polygonum bistorta

  15. Polygonum aviculare

  16. Polygonum cuspidatum

  17. Polygonum punctatum

  18. Polygonum spp.

  19. Rumex patientia

  20. Homocladium platycladium

  21. 24) Viscaceae • Christmas Mistletoe Family • Epiphytic parasite of tree branches; roots modified to form haustoria • Leaves usually opposite, leathery, veins parallel • Flowers small, perfect or imperfect; perianth of 3 or 4 tepals, inserted on a cup-shaped receptacle; stamens as many as perianth segments • Ovary inferior, fruit a viscous berry

  22. Arceuthobium cyanocarpum – staminate and pistillate plants

  23. Phoradendron leucarpon

  24. Phoradendron leucarpon – staminate and pistillate flowers

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