Angiosperm

Question 1

Interpetiolar stipules (i.e., stipules on stem between two petioles)
Entire leaf margins
Spirally overlapping petals

Answer 1

Rubiaceae

Question 2

Umbel/compound umbrella
Alternate leaves
Hollow stems

Answer 2

Apiaceae

Question 3

Infertile Ray florets
Fertile disk florets
Capitulum inflorescence

Answer 3

Asteraceae

Question 4

Milky white latex
Entire margins on opposite leaves

Answer 4

Apocynceae

Question 5

Scorpioid cyme
Alternate leaves with rough hairs
White, pink, blue, purple flowers

Question 6

Flowers with four long stamens, two short stamens
Alternate, irregular shaped leaves

Answer 6

Brassicaceae

Question 7

Succulent leaves with waxy cuticles
4/5 free carpels

Answer 7

Crassulaceae

Question 8

White latex
Paired spines
Reduced male flowers, single stamen
Reduced female flowers, single ovary with three styles

Answer 8

Euphorbiaceae

Question 9

Alternate compound leaves with stipules
Legume fruits

Answer 9

Fabaceae

Question 10

Square stems
Serrated margins
Fruit = 4-part nutlet

Answer 10

Lamiaceae

Question 11

Serrate margin leaves with stipules
Hypanthium flower

Answer 11

Rosaceae