Final Families pt. 2

Question 1

phlox family

Answer 1

Polemoniaceae

Question 2

heather/heath family

Answer 2

Ericaceae

Question 3

carrot family

Answer 3

Apiaceae

Question 4

potato/nightshade family

Answer 4

Solanaceae

Question 5

Rep. genera:
Phlox
Linanthus
Gilia

Answer 5

Polemoniaceae (phlox family)

Question 6

Calyx:

• sepals gen 5, fused at base
• translucent membrane b/n sepals/lobes

Corolla:

• petals gen 5, fused & throat well-defined
• corolla salverform, rotate, to bell-shaped

Gyn:
- style 1, stigmas 3

Answer 6

Polemoniaceae (phlox family)

Question 7

Habit:
- per, herb, shrub, tree

Leaves:
- simple & tough/leathery (0)

Stem:
- often w/peeling bark

Flowers:
- bell, cylindric, or urn shaped

Andr:

• stamens 8-10, free (anthers occ awned)
• anthers usually dehisce (open) by pores @ tips

Answer 7

Ericaceae (heather family)

Question 8

Rep. genera:
Arctosaphylos (manzanita)
Arbutus (madrone/strawberry tree)
Rhododendron
Vaccinium (huckle-/blueberry)
Erica (heather)

Answer 8

Ericaceae (heather family)

Question 9

Rep. genera:
Solanum (nightshade)
Nicotiana (tobacco)
Datura (angel trumpet, Jimson weed)
Capsicum (chili, sweet, bellpeppers)

Answer 9

Solanaceae (nightshade family)

Question 10

Leaves:
- often highly toxic (many secondary metabolites)

Flowers:
- +/- radial

Corolla:

• gen 5-lobed, radial
• cylindric to rotate

Andr:

• stamens 5, epipetalous & alt lobes
• connivent (joined & touching, but NOT connate/fused)
• appear to form tube around style

Fruit:
- berry or capsule

Answer 10

Solanaceae (nightshade family)

Question 11

Important cultural & economic uses of Solanaceae?

Answer 11

1. Food
2. Ornamental plants
3. Secondary metabolites used as:
   - narcotics
   - cosmetics
   - medicines

Alkaloids = DANGER

Question 12

Rep. genera:
Apium (celery)
Daucus (carrot)
Foeniculum (fennel)
Conium (poison hemlock)

Answer 12

Apiaceae (carrot family)

Question 13

Habit:
- ann or per herbs (shrub or tree), often aromatic

Leaves:

• deeply & finely dissected
• aromatic

Stem:
- occ/often w/oil tubes

Flowers:

• many, small, white/yellow
• INFL umbel or head; often compound

Corolla:

• petals 5, free, ovate-to-spoon shaped
• incurved at tips, often ephemeral

Gyn:

• ovary inferior, 2 chambers
• projection/platform (stylopodium) subtending 2 free styles

Fruit:

• 2 dry mericarps
• ribs on mericarps = 5 (2 marginal + 3 on back)
• oil tubes

Answer 13

Apiaceae (carrot family)