Families (lab quiz)

Question 1

Magnoliaceae

Answer 1

flower parts spirally arranged on elongate receptacle
many free carpels
laminar stamens

Question 2

Lauraceae

Answer 2

floral parts in multiples of 3
valvate anthers opening by 4 flaps (2 per anther sac)

Question 3

Ranunculaceae

Answer 3

sepals/petals 5 each or tepals 4-many
many stamens
ovary superior
fruits: follicles or achenes

Question 4

Berberidaceae

Answer 4

flowers actinomorphic, 3-parted
valvate anthers opening by 2 flaps

Question 5

Betulaceae

Answer 5

leaves doubly serrate
catkins
flowers in clusters of 2-3 subtended by bracts

Question 6

Fagaceae

Answer 6

female flowers have cupule (overlaping bracts)

Question 7

Hamamelidaceae

Answer 7

leaves have stellate hairs
sepals 4-5
petals 4-5, or absent
carpels 2, connate at base
fruit: woody capsule

Question 8

Aceraceae

Answer 8

leaves opposite; most palmately lobed
nectar disc (absent in wind species)
winged carpels
fruit: samaroid schizocarp

Question 9

Onagraceae

Answer 9

sepals and petals 4
versatile anthers
stigma 4-lobed (or capitate)
inferior ovary

Question 10

Salicaceae

Answer 10

plants dioecious
no perianth
hair bract subtending each flower

Question 11

Saxifragaceae

Answer 11

leaves usually in basal rosette
palmately veined and lobed
hypanthium usually present
2 carpels; styles and stigmas free

Question 12

Violaceae

Answer 12

flowers 5-numerous
bilateral symmetry
nectar spur

Question 13

Brassicaeae

Answer 13

4-parted flowers; cruciform
tetradynamous stamens (6)
fruit: silcile or silique

Question 14

Rosaceae

Answer 14

stipules present
5 sepals/petals on a hypanthium
many stamens

Question 15

Fabaceae

Answer 15

alt. leaves; compound; entire margins
brush and flag flowers
pulvinus (base of petiole) developed and stipules present
legumes

Question 16

Caryophyllaceae

Answer 16

nodes often swollen
petals notched/ deeply lobed

Question 17

Cactaceae

Answer 17

short to elongate hypanthium
numerous tepals, spirally arranged

Question 18

Montiaceae

Answer 18

2 calyx-like bracteoles
simple leaves
stamens opposite to tepals

Question 19

Cornaceae

Answer 19

leaves: opp, simple, entire
secondary veins usually arch towards margin
flower cluster of individual flowers
showy bracts

Question 20

Polomoniaceae

Answer 20

5 fused petals formed into tube
5 fused sepals with translucent webbing in between
3 lobed stigma
epipetalous stamens at different heights
nectar disk

Question 21

Ericaceae

Answer 21

simple; tough, leathery leaves
4-5 sepals/petals - petals always connate
usually urn shaped
anthers with 2 apical pores

Question 22

Boraginaceae

Answer 22

hispid hairs
scorpiod cymes
5 sepals/petals (connate); often has corona
included stamens
2 fused carpels w/ gynobasic style
4 nutlets

Question 23

Hydrophyllaceae

Answer 23

hairy
scorpiod cymes
exserted stamens
5 sepals/ petals (connate)
2 fused carpels

Question 24

Solanaceae

Answer 24

radially symmetric
5 sepals/petals (connate)
(Solanum) connivent anthers
capitate stigma
4-5 stamens; epipetulous filaments