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Rosids III

Rosids III. Fagales Brassicaceae Rutaceae Anacardiaceae Aceraceae. Fagaceae. Oaks Many tree species throughout N. America TREES with SINGLE NUTS ATTACHED TO SPINY OR SCALY CAPS One species in Colorado, Quercus gambelii. Fagaceae. Fagaceae. Quercus fruits = nuts = acorns.

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Rosids III

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  1. Rosids III Fagales Brassicaceae Rutaceae Anacardiaceae Aceraceae

  2. Fagaceae • Oaks • Many tree species throughout N. America • TREES with SINGLE NUTS ATTACHED TO SPINY OR SCALY CAPS • One species in Colorado, Quercus gambelii

  3. Fagaceae

  4. Fagaceae

  5. Quercus fruits = nuts = acorns

  6. Quercus leaf

  7. Quercus gambelii – Gambel Oak

  8. Brassicaceae (Cruciferae) — Mustard family • FOUR MEROUS (old name cruciferae, like a cross) • HERBS, rarely shrubs • Tetradynamous stamens = 4 stamen, 2 long, 2 short • Gynoecium with a superior, 2- carpellate/loculate ovary, with axile-parietal placentation and a usually 2-valved, dehiscent fruit with a replum (silique or silicle). • 365 genera / 3250 species

  9. Brassicaceae

  10. Brassicaceae Glucosinolates - major plant secondary products in the Brassicaceae and close relatives. - deter herbivory and parasitism - flavoring agents in the commercially important members of the Brassicaceae, such brocolli, cauliflower, and mustard.

  11. Brassicaceae • Broccoli, brussels sprouts, cauliflower, cabbage, collards, kale (all cultivars of Brassica oleracea) • Rutabaga and canola oil (B. napus), mustard (B. nigra), turnip (B. rapa) • Arabidopsis thalliana is noted as a model for detailed molecular studies.

  12. Brassica nigra

  13. Cakile maritima

  14. Cardamine californicum

  15. Raphanus sativus

  16. Thysanocarpus laciniatus

  17. Malvaceae • The Mallow Family • Monadelphous stamen • Mucilaginous plants • Often with stellate trichomes

  18. Malvaceae – Economic importance Gossypium spp. (cotton, the world’s most important fiber plant) and Ceiba pentandra (kapok), in both of which the seed trichomes are utilized, and Corchorus spp. (jute), a bast fiber plant and source of burlap; Theobroma cacao (cacao, the source of chocolate), Cola nitida (cola), Abelmoschus (okra), and Durio zibethinus (durian) Ochroma pyramidale (balsa) and Pachira aquatica; Brachychiton, Chorisia (floss-silk tree), Dombeya, Fremontodendron, Hibiscus (mallows), and Tilia (linden tree). Many others, such as Adansonia digitata (baobab, tropical Africa) are of great local economic or ecological importance.

  19. Gossypium - cotton

  20. Hibiscus sp. Kosteletskia virginica

  21. Chorisia speciosa

  22. Theobroma cacao – the source of chocolate

  23. Anacardiaceae • Cashew or sumac family • SHRUBS W/ 3-LOBED OR PINNATE LEAVES • 1-SEEDED RED OR WHITE BERRIES • Poison Ivy and Poison Oak are in this family • Important shrub ecologically, Rhus trilobata

  24. Toxicodendronrydbergii

  25. Toxicodendronrydbergii

  26. Toxicodendronrydbergii

  27. Rhus trilobata

  28. Rhus trilobata

  29. Anacardiaceae MangoMangifera indica

  30. Anacardium occidentale; Cashew   

  31. Anacardium occidentale; Cashew   

  32. Aceraceae • Maple Family • TREES WITH OPPOSITE LEAVES AND WINGED SEENDS IN PAIRS • Acer glabrum and Acer negundo (Box elder)

  33. Aceraceae

  34. Aceraceae insect and wind pollinated

  35. Acer negundo – Box elder

  36. Acer glabrum – Mountain Maple

  37. Acer saccharum • http://www.youtube.com/watch?v=PML-cjYzENU&feature=related • Maple syrup is the boiled down xylem (commonly called sap) that the tree is sending up from the roots to the leaves to get the leaves started in the spring • It’s about the only time the xylem is rich in sugars

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