Plant Family Quiz 2025 Thursday

Slides


1. Liliaceae, Calochortus


2. Polemoniaceae, Leptosiphon




3. Apiaceae/Umbelliferae, Lomatium

4. Orobanchaceae, Triphysaria


5. Papaveraceae, Dicentra

6. Brassicaceae/Cruciferae, Erysimum


7. Salicaceae, Salix

8. Plantaginaceae, Penstemon


9. Rosaceae, Rosa

10. Boraginacease, Cryptantha


11. Hydrophyllaceae, Phacelia

12. Montiaceae, Claytonia


13. Fabaceae/Leguminosae, Cytisus

14. Saxifragaceae, Lithophragma


15. Betulaceae, Alnus

16. Caryophyllaceae, Cerastium


17. Oxalidaceae, Oxalis

18. Orchidaceae, Platanthera


19. Araceae, Arisaema

20.  Berberidaceae, Vancouveria

Living/Preserved Material

21. What kind of inflorescence is this? (Primulaceae; Dodecatheon)

scape or umbel

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. (Ranunculaceae; Ranunculus vs. Rosaceae; Fragaria)

presence of hypanthium, petals attached by narrow claw, presence of epicalyx, presence of stipules

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. (Onagraceae; Epilobium)

epigynous (inferior ovary)

26. What kind of inflorescence. (Araceae; Arisaema)

spadix (inside a spathe)

27. What kind of fruit is this? (Liliaceae; Erythronium)

capsule

28. The androecium and perianth in these flowers are attached to what structure? (Rosaceae; Amelanchier)

hypanthium

29. What kind of inflorescence is this? (Asteraceae/Compositae; Balsamorhiza)

head or capitulum

30. Describe the insertion of the androecium and perianth parts of these flowers. (Brasasicaceae/Cruciferae; Brassica)

hypogynous (superior ovary)

31. Name one feature that could be used to tell these two families apart in the field. (Liliaceae; Fritillaria vs. Iridaceae; Sisyrinchium)

stamen number, ovary position, overlap of leaves

32. What kind of fruit is this? (Fabaceae/Leguminosae; Astragalus)

legume

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. (Papaveraceae; Eschscholzia)

actinomorphic (radial symmetry)

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

berry

Bonus 1. To which Family does the plant belong that makes the almond in the center of this snack?   (Trader Joes Premium Milk & Dark Chocolate Covered Almonds)

almonds are in the Rosaceae

Bonus 2. To which Family does the nut belong that was ground to make these cookies?

hazelnuts are in the Betulaceae

Bonus 3. What kind of fruit are these sunflower "seeds"?

achene