Lab 4 Flashcards
2-ranked leaves, leaves narrow, parallel veined, either; stems round or flattened with defined nodes and inter-nodes; flower simple without showy petals.
Poaceae (Grass family)
3-ranked leaves, narrow; appear grass like. Stems lack nodes and inter-nodes; are triangular in cross-sections, may be confused with grass family plants in early stages.
Cyperaceace (Sedge family)
mostly compound and alternate leaves, trifoliate or pinnate, with a pair of stripules at base of petiole; flowers irregular with 5 petals; fruit a single-celled pod.
Fabaceae (Legume family)
leaves simple and opposite or whorled without stipules; most species contain milky juice; fruit a long pod with seeds attached to tufts of floss.
Asclepiadaceae (Milkweed family)
plants viny, leaves alternate entire, and with a pair of basal lobes; flowers showy, fused into tube.
Convolvuaceae (Bindweed family)
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.
Polygonaceae (Buckwheat family)
leaves mostly alternate, never compound, without stiples; flowers in head with numerous small flowers in each head.
Asteraceae (Sunflower family)
leaves usually alternate without stipules; flowers with 4 separate petals, 4 separate sepals and 6 stamens.
Brassicaceae (Mustard family)
leaves are usually alternate but may be opposite, simple without separate petals; flowers small, without true petals, appear greenish, subtended by small bristly bracts.
Amarantaceae (Pigweed family)
very similar to pigweed family but small greenish flowers do not have bristly bracts.
Chenopodiaceae (Lambsquarteds family)
The seven major categories of the scientific system are:
Kingdom, phylum, class, order, family, genus, and species
The difference between alfalfa and corn
dicot vs. monocot
The difference between soybean and sunflower
compound vs. simple leaf
