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Eurosids I

33) Fabaceae (Leguminosae). 29) Oxalidaceae. 30) Euphorbiaceae. 31) Violaceae. 32) Salicaceae. 34) Rosaceae. 35) Ulmaceae. 36) Cucurbitaceae. 37) Fagaceae. 38) Betulaceae. Eurosids I. 31) Violaceae. Violet Family Herbs (tropical members are trees and shrubs)

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Eurosids I

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  1. 33) Fabaceae (Leguminosae) 29) Oxalidaceae 30) Euphorbiaceae 31) Violaceae 32) Salicaceae 34) Rosaceae 35) Ulmaceae 36) Cucurbitaceae 37) Fagaceae 38) Betulaceae Eurosids I

  2. 31) Violaceae • Violet Family • Herbs (tropical members are trees and shrubs) • Leaves alternate, sometimes basal or on very short rhizomes, triangular in shape, stipules present • Flowers perfect (stamens and pistil present), zygomorphic, 5-merous, petals 5, sometimes the abaxial petal spurred • Stamens 5, with anthers touching in a ring around the pistil; 2 abaxial (or all) anthers with glandlike or spurlike nectaries • Fruit a capsule

  3. ExamplesViolaceae • Viola (violet, pansy, johnny-jump-ups)

  4. Viola rotundifolia

  5. Viola nephrophylla

  6. Viola X wittrockiana Pansy

  7. Hybanthus calycinus

  8. 32) Salicaceae • Willow Family • Deciduous trees and shrubs, leaves simple, often serrate or dentate, the teeth salicoid (vein expanding at the tooth apex and associated with spherical, glandular setae); • Plants dioecious ( “two houses” - flowers imperfect – staminate and pistillate on different plants) • Often catkin bearing; flowers seemingly subtended by bracts with a cup-like disc or gland • Seeds with an aril or tufts of hairs

  9. ExamplesSalicaceae • Salix • Salix babylonica (weeping willow) • Populus • Populus tremuloides (quaking aspen) • Populus alba (silver poplar) • Populus deltoidea (cottonwood)

  10. Salix spp. Pistillate catkins

  11. Salix spp. Pistillate catkins

  12. Salix spp. Staminate catkins

  13. Salix spp. Staminate catkin

  14. Salix spp.

  15. Salix spp.

  16. Populus grandidentatus

  17. Populus deltoides

  18. Populus tremuloides trembling aspen

  19. Populus alba

  20. Populus tremuloides pistillate catkin

  21. Populus alba Staminate catkins

  22. 33) Fabaceae (Leguminosae) • Legume or Bean Family • Herbs, shrubs, trees, vines or lianas; with high nitrogen metabolism and unusual amino acids, often with root nodules • Leaves pinnately or palmately compound or sometimes simple; pulvinus usually well developed, showing sleep movements; stipules usually evident. • Flowers often papilionaceous and distinctly zygomorphic • Corolla of subfamily Faboideae of 5 petals forming a banner, 2 wings, and a keel (2 petals fused along one edge); stamens 10 (all free, 9 fused and 1 free, or all 10 fused) • Carpel 1, with short gynophore (stalk below the ovary); Fruit usually a legume

  23. ExamplesFabaceae – Subfamily Faboideae • Pisum (pea) • Faba (bean) • Lupinus (lupine) • Glycine max (soybean) • Medicago sativa (alfalfa) • Trifolium (clover) • Lens culinaris (lentil) • Arachis hypogaea (peanut)

  24. Baptisia leucantha

  25. Baptisia leucantha

  26. Robinia ambigua

  27. Robinia pseudo-acacia

  28. Crotalaria spectabilis

  29. Trifolium pratense

  30. Trifolium pratense

  31. Trifolium hybridum

  32. Meliotis alba

  33. Acacia nilotica – Subfamily Mimosoideae

  34. Mimosa pudica Sensitive plant

  35. Bauhinia purpurea – Subfamily Caesalpinioideae

  36. Chamaecrista fasciculata

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