Rosids

Question 1

What group is sister to Rosids?

Answer 1

Saxifragales

Question 2

What two main groups are Rosids divided into?

Answer 2

Fabids

Malvids

Question 3

Which Rosid group does not fall within the Eurosids?

Answer 3

Vitales

Eurosids are Malvids and Fabids

Question 4

When Rosids and Saxifragales are grouped together, what is the clade known as?

Answer 4

Superrosids

Question 5

Give some clades within the Fabids.

Answer 5

Zygophyllales
Celastrales
Oxalidales
Malpighiales
Cucurbitales
Fagales
Fabales
Rosales

Question 6

Give some clades within the Malvids.

Answer 6

Geraniales
Myrtales
Crossosomatales
Picramniales
Sapindales
Huerteales
Malvales
Brassicales

Question 7

What features define Rosids?

Answer 7

Perianth usually differentiated or absent
Petals usually free, if present
Two or more whorls of stamens
Well-developed stipules
Anthers versatile
Embryo large

Question 8

Describe the features of Rosaceae.

Answer 8

Leaves - alternate, toothed, often compound, stipulate
Flowers - valvate calyx, epicalyx often present
Petals - free, often clawed
Hypanthium present
Cyanogenesis common

Question 9

What is the floral formula of Rosaceae?

Answer 9

So, (K5, C5, A10-n), Gs(1-n); achene, drupe, follicle, pome

Question 10

What fruits can Rosaceae produce?

Answer 10

Achene, drupe, drupelet, pome

Question 11

What 3 classes of Rosaceae are native to the UK?

Answer 11

Rosoideae
Amygdaloideae
Dryoideae

Question 12

What genera of Rosoideae are native to the UK?

Answer 12

-Herbaceous
Agrimonia
Filipendula
Geum
Potentilla
Alchemillae
Fragariae
Poterium
Sanguisorba
-Scrambling with
prickles
Rosa
Rubus

Question 13

What genera of Amygdaloideae are native to the UK?

Answer 13

Prunus
Sorbus
Crataegus
Cotoneaster
Malus
Pyrus

Question 14

What genera of Dryoideae are native to the UK?

Answer 14

Dryas

Question 15

What is the floral formula of Fabaceae?

Answer 15

Sz, K(5), C3+(2), A(10)/(9)+1, Gs1;

legume

Question 16

Describe the features of Fabaceae.

Answer 16

Leaves - alternate, stipulate, compound

Flowers - papilionoid (banner, 2 wings, 2 connate petals forming the keel)

Question 17

What are the four groups of UK native Fabaceae?

Answer 17

Woody
Lotus
Vicia
Astralagus

Question 18

What genera of woody Fabaceae are native to the UK?

Answer 18

Ulex
Cytisus
Genista

Question 19

What genera of lotus Fabaceae are native to the UK?

Answer 19

Lotus
Anthyllis
Ornithopus
Hippocrepis

Question 20

What type of inflorescence do lotus Fabaceae have?

Answer 20

Umbel

Question 21

What genera of Vicia Fabaceae are native to the UK?

Answer 21

Vicia
Lathyrus
Trifolium
Medicago
Ononis

Question 22

What type of inflorescence do Vicia Fabaceae have?

Answer 22

Raceme

Question 23

What genera of Astragalus Fabaceae are native to the UK?

Answer 23

Astragalus

Oxytropis

Question 24

What type of inflorescence do Astragalus Fabaceae have?

Answer 24

Raceme

Question 25

What are the floral formulae for Euphorbiaceae?

Answer 25

Male: So, P{0-3}, A1-n, G0 Female: So, P{0-3}, A0, Gs(2-3), schizocarp

Question 26

Describe the features of Euphorbiaceae.

Answer 26

``` Leaves - alternate Latex producing Stipules common but not in UK natives Flowers - small, unisex Perianth - inconspicuous, contained in cyathium in Euphorbia 2-3 capels with prominent stigmas ```

Question 27

Describe the inflorescence of Euphorbia.

Answer 27

Cup shaped cyathium Contains 5 male and 1 female flower Male single samen on long pedicel

Question 28

What is the floral formula for Geraniaceae?

Answer 28

So/z, K5, C5, A5+5, Gs(5), capsule, schizocarp

Question 29

Describe the features of Geraniaceae.

Answer 29

``` Often herbs with jointed stems Leaves stipulate; simple or compound All flower parts free except carpel Sepals often aristate or acuminate Fruit (capsule) consists of 5 cells, each producing one seed, joined to a column produced from the centre of the old flower ```

Question 30

What genera of Geraniaceae are native to the UK?

Answer 30

Geranium | Erodium

Question 31

Describe the features of Geranium.

Answer 31

Leaves with palmate venation | Fruit capsule splitting into component carpels, each becoming reflexed but remaining attached distally

Question 32

Describe the features of Erodium.

Answer 32

Leaves with pinnate venation or pinnately compound | Fruit capsule splitting into component carpels, with style becoming coiled, eventually separating completely

Question 33

What is the floral formula of the Onagraceae?

Answer 33

So/z, (K{4}, C0/4, A2/4+4) Gi(2/4), capsule, berry, nut

Question 34

Describe the Onagraceae.

Answer 34

Herbs or shrubs Leaves - opposite or alternate, simple, usually exstipulate Flowers often 4 merous, inferior ovary, well developed hypanthium Calyx thin and reflexed Stamens up to 8 in two whorls of 4 Pollen has viscin threads so conspicuously clumped

Question 35

What genera of Onagraceae are native to the UK?

Answer 35

``` Ludwigia Epilobium Chamerion Oenothera Circaea ```

Question 36

What is the floral formula of the Brassicaceae?

Answer 36

So/z, K4, C4, A2+4, Gs(2), capsule, berry

Question 37

Describe the Brassicaceae.

Answer 37

Herbs Leaves - alternate, simple or compound, exstipulate Petals - 4, often clawed, arranged in +shape Stamens - 6; 2 short, 4 long; tetradynamous Fruit long and thin (siliqua) or short and fat (silicule), divided by persistent placentae and septum (replum)

Question 38

What genera of Brassicaceae are native to the UK?

Answer 38

28 genera | Mustard family