-acea

Question 1

2-ranked leaves, narrow leaves, parallel veined, entire; stems round or flattened with definite nodes and internodes; flowers simple without showy petals

Answer 1

Poaceae (grass family)

Question 2

3-ranked leaves, narrow; appear grass-like. Stems lack nodes and internodes; are triangular in cross-section, may be confused with grass family plants in early stages

Answer 2

Cyperaceace (sedge family)

Question 3

mostly compound and alternate leaves, trifoliate or pinnate, with a pair of stipules at base of petiole; flowers irregular with 5 petals; fruit a single-celled pod

Answer 3

Fabaceae (legume family)

Question 4

leaves simple and opposite or whorled without stipules; most species contain milky juice; fruit a long pod with seeds attached to tufts of floss

Answer 4

Asclepiadaceae (milkweed family)

Question 5

plants viny, leaves alternately entire, and with a pair of basal lobes; flowers showy, fused into a tube

Answer 5

Convolvulaceae (bindweed family)

Question 6

stems encircled by a membranous sheath just above the node; leaves mostly alternate, simple and entire; flowers without true petals but with petal-like sepals

Answer 6

Polygonaceae (buckwheat family)

Question 7

leaves mostly alternate, never compound, without stipules; flowers in heads with numerous small flowers in each head

Answer 7

Asteraceae (sunflower family)

Question 8

leaves usually alternate but may have be opposite, simple without stipules; flowers small, without true petals, appear greenish, subtended by small bristly bracts

Answer 8

Amaranthaceae (pigweed family)

Question 9

very similar to pigweed family but small greenish flowers do not have bristly bracts

Answer 9

Chenopodiacea (lambsquarter family)

Question 10

leaves usually alternate without stipules; flowers with 4 separate petals, 4 separate sepals and 6 stamens

Answer 10

Brassicaceae (mustard family)