Slides - Tuesday


1. Rosaceae
(Amelanchier)

2. Onagraceae
(Oenothera)



3. Polemoniaceae
(Polemonium)

4. Scrophulariaceae
(Mimulus)



5. Portulaceaeae
(Lewisia)

6. Betulaceae
(Alder)



7. Caryophyllaceae
(Saponaria)

8. Malvaceae
(Sphaeralcea)



9. Ericaceae
(Arbutus)

10. Liliaceae
(Camassia)



11. Violaceae
(Viola)

12. Asteraceae (Compositae)
(Circium)



13. Ranunculaceae
(Aquilegia)

14. Brassicaceae (Cruciferae)
(Erysimum)



15. Fabaceae (Leguminosae)
(Lotus)

16. Papaveraceae
(Eschscholzia)



17. Berberidaceae
(Achlys)

18. Araceae
(Symplocarpus)



19. Primulaceae
(Dodecatheon)

20. Apiaceae (Umbelliferae)
(Lomatium)


Living/Preserved Material

21. What kind of inflorescence is this? (Betulaceae; Alnus)

catkin (or cyme)

22. Describe the symmetry of this flower. (Fumariaceae; Dicentra)

zygomorphic (bilateral)

23. Name one feature that could be used to tell these two families apart in the field. (Caryophyllaceae; Silene vs. Polemoniaceae; Collomia)

petal fusion, stigma separation, stamen attachment to petals

24. Name one feature that could be used to tell these two families apart in the field. (Onagraceae; Epilobium vs. Brassicaceae; Hesperis)

androecium insertion & ovary position, stamen number, fruit type

25. The perianth and androecium are inserted on what structure in this flower? (Rosaceae; Oemleria)

hypanthium

26. What kind of inflorescence is this? (Brassicaceae; Erysimum)

raceme

27. What kind of inflorescence is this? (Hydrophyllaceae; Phacelia)

helicod cyme

28. Describe the androecium of the flower. (Malvaceae; Hibiscis)

fused filaments or "monadelphous"; anthers with a single chamber (locule)

29. What kind of inflorescence is this? (Primulaceae; Primula)

umbel (also a scape)

30. Describe the insertion of the androecium and perianth parts of these flowers. (Papaveraceae; Papver)

hypogynous (inserted below a superior ovary)

31. Name one feature that could be used to tell these two families apart in the field. (Scrophulariaceae; Penstemon vs. Lamiaceae; Stachys)

ovary shape/lobing, ovule number, fruit type, stem shape

32. What kind of fruit is this? (Apiaceae; Angelica)

schizocarp

33. What kind of fruit is this? (Ericaceae; Vaccinium)

berry

34. Describe the insertion of the androecium and perianth parts of these flowers. (Iridaceae; Iris)

epigynous (inserted above an inferior ovary)

35. What kind of infloresence is this? (Fabaceae or Leguminosae; Astragalus)

legume

 

BONUS 1: To what Family does the plant belong that is the source of this snack?

almonds are in the Rosaceae

BONUS 2. What is the botanical term for the strawberry fruit?

achene is the term for the individual fruits, scattered over the surface of the fleshy outgrowth of the receptacle. Aggregate is a term for the entire strucutre (receptacle plus many achenes)

BONUS 3: What is wrong with this picture?

the arum is not a six foot flower; the 6 foot Arum is an inflorescence made of lots of smaller flowers (none of which are the world's largest). read more about the Titan Arum at "Wayne's World", along with a description of the world's largest flower.