Plant Family Quiz 2025 Wednesday
Slides
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 3. Boraginaceae, Cynoglossum |
 4. Orobanchaceae, Triphysaria |
 5. Araceae, Arisaema |
 6. Saxifragaceae, Saxifraga |
 7. Betulaceae, Alnus |
 8. Ericaceae, Arbutus |
 9. Polemoniaceae, Leptosiphon |
 10. Berberidaceae, Vancouveria |
 11. Iridaceae, Iris |
 12. Hydrophyllaceae, Phacelia |
 13. Malvaceae, Malva |
 14. Asteraceae/Compositae, Taraxacum |
 15. Brassicaceae/Cruciferae, rysimum |
 16. Papaveraceae, Dicentra |
 17. Montiaceae, Claytonia |
 18. Oxalidaceae, Oxalis |
 19. Melanthiaceae, Toxicoscordion |
 20. Caryophyllaceae, Saponaria |
Living/Preserved Material
21. What kind of inflorescence is this? (Brassicaceae; Brassica)
raceme
22. Describe the symmetry of this flower. (Orobanchaceae; Orobanche)
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, epipetalous stamen, stamen number, stigmas fused into a stylar tube or separate, swollen stem nodes
24. What kind of inflorescence is this? (Betulaceae; Alnus)
catkin (also a cyme)
25. Describe the insertion of the androecium and perianth parts of these flowers. (Orchidaceae; Cypripedium)
epigynous (inferior ovary)
26. What kind of inflorescence. (Asteraceae; Balsamorhiza)
composite or head
27. What kind of fruit is this? (Ericaceae; Vaccinium)
berry
28. The androecium and perianth in these flowers are attached to what structure? (Rosaceae; Amelanchier)
hypanthium
29. What kind of inflorescence is this? (Apiaceae/Umbelliferae; Lomatium)
umbel (compound)
30. Describe the insertion of the androecium and perianth parts of these flowers. (Primulaceae; Dodecatheon)
hypogynous (superior ovary)
31. Name one feature that could be used to tell these two families apart in the field. (Brassicaceae/Crucifeae; Hesperis vs. Onagraceae; Epilobium)
stamen number, ovary position, stigma lobe number, hypanthium presence/absence
32. What kind of fruit is this? (Apiaceae/Umbelliferae; Angelica)
schizocarp
33. Name one feature that could be used to tell these two families apart in the field. (Plantaginaceae; Penstemon vs. Lamiaceae/labiatae; Scuttelaria)
stem shape (squareness), ovary lobing, fruit type
34. Describe the symmetry of these flowers. (Montiaceae; Claytonia)
actinomorphic (radial symmetry)
35. What kind of fruit is this? (Ranunculaceae; Clematis)
achene
Bonus 1. What kind of fruit are these sunflower "seeds"?
achene
Bonus 2. What term describes the fruit that is scattered over the outside of the strawberry?
achene
Bonus 3. To which Family does the plant belong that is the course of the center of this snack? (Trader Joes Premium Milk & Dark Chocolate Covered Almonds))almonds are in the Rosaceae