1. Very Important Rosids Including pumpkins!!

2. Rosids Many families in Colorado Some are included in this overview

3. Violaceae SLIGHTLY IRREGULAR FLOWERS SMALL HERBS Alternate or basal leaves 5 sepals, petals and stamen Three united carpels

4. Violaceae – World-wide dist.

5. Viola – zygomorphic flowers

6. Viola – side view

7. Violaceae fruit - loculicidal capsule

8. Viola - cleistogamous flowers Some species produce flowers at the base of the plant These flowers never open Self-pollinate

9. Salicaceae Trees and shrubs with alternate leaves in moist soil Catkins – unisexual flower racemes Catkins form from many small capsules Includes many ecologically imp spp in CO

10. Salicaceae – Cottonwood

11. Salix spp. Willow shrubs

12. Populus tremuloides - Aspen

13. Fabaceae “Banner, wings, and keel” Pea-like pods and often pinnate leaves Third largest family with 18,000 species High nitrogen metabolism, often symbiotic with bacteria Leaves alternate, usually compound Inflorescence usually indeterminate Flowers varied, fruit usually a legume

14. Beans are legumes This is the second most important crop family after grasses (Poaceae

15. Fabaceae (cont). Sometimes as 3 families

17. Arachis hypogea - peanut

18. Rosaceae FIVE-MEROUS W/ NUMEROUS STAMEN Oval, serrated leaves Hypanthium, radial symmetry, lots of stamens Flower more or less constant, fruit varies Herbs, shrubs, trees Lv alt, with stipules, simple or compd, often with gland tipped teeth

19. The Rose (family) Bowl Fruits eaten, also many ornamentals Apples, plums, peaches, apricots, cherries, strawberries, raspberries, blackberries, Ornamentals are Rosa, Potentilla, Amelanchier

20. More Rosaceae Raspberry type: Superior ovary, several separate carpels, drupelets Strawberry type: Superior ovary, several separate carpels, achenes, fleshy receptacle Plums: INFERIOR ovary, 1 carpel, 1 seed, drupe Many wild roses have hips

22. Rosaceae - Hypanthium

23. Rose hips

24. Many roses are hybrids Tea roses were named as their scent was reminiscent of Chinese black tea Tea roses flower more than once a year BUT they are not cold tolerant Other types of roses are cold tolerant (like our wild rose) Blending of the hybrids gave the modern “Tea Hybrid” Most common hybrid

25. Peace tea hybrid rose

26. Cucurbitaceae Gourd or cucumber family VINES with TENDRILS FUNNEL-SHAPED FLOWERS FORMING LARGE 3 OR 4 CARPELED FRUITS Include PUMPKINS, squash, gourds 850 species

27. Cucurbitaceae – Separate male and female flowers plants are monoecious or dioecious

28. Echinocystis lobata – Mock cucumber

29. Citrullus vulgaris - watermelon

30. Luffa spp.

31. Luffa continued

32. Cucurbita pepo fruit