BIOL 325 – Plants Systematics Lab 05 ‐ Rosids, part 1 I. Families to Know on Sight (no keying allowed for lab quizzes or final) A. Rosaceae (p. 615) Summary: Woody plants with toothed, simple leaves, or herbs with toothed, trifoliate leaves; flowers regular with 5 clawed petals, 10 or more stamens, and hypanthium well developed; fruit various, but derived from multiple free or fused carpels. B. Fabaceae (p. 569) Summary: Woody or herbaceous plants with compound (rarely simple) leaves, entire (rarely toothed) leaflets, and pulvini at ends of petioles and petiolules; flowers irregular (regular) with 5 (not clawed), 10 stamens, and hypanthium; fruit a legume, derived from the 1 carpel of the flower. More info about flowers: Flowers Faboid‐type, Mimosoid‐type, or Caesalpinioid‐type; C. Vitaceae (p. 500) Summary: Woody vines (lianas) with simple, palmately‐veined leaves or palmately compound leaves, and woody tenrdils. Fruit a thin‐walled berry. D. Cucurbitaceae (p. 566) Summary: Herbaceous vines or scrambling herbs with simple, palmately‐veined leaves and herbaceous, highly‐coiled tendrils. II. Genera to Know (you can write your own key to genera and use on lab final) A. Rosaceae B .Fabaceae C. Vitaceae 1. Rosa 7. Robinia 12. Vitis 2. Malus 8. Coronilla 13. Parthenocissus 3. Prunus 9. Albizia 4. Rubus 10. Cercis D. Cucurbitaceae 5. Crataegus 11. Trifolium 14. Echinocystis 6. Duchesnea 15. Sicyos III. Some Economic Botany Rosaceae includes a wide variety of horticulturally or agriculturally important genera: Rosa (roses), Malus(apples), Prunus(plums, cherries, apricots, peaches, almonds, & nectarines), Rubus (raspberries & blackberries), Fragaria (strawberries), Spiraea (spiraea), etc. Fabaceae includes a wide variety of horticulturally or agriculturally important genera: Arachis (peanut), Phaseolus (various beans), Pisum (peas), Glycine (soybeans), Medicago (alfalfa), Cicer (chickpeas), Gleditsia (honeylocust), Cercis (redbud), etc. Vitaceae includes the cultivated table and wine grapes of the genus Vitis. Cucurbitaceae includes many edible or ornamental gourds, squashes and melons, such as: Cucurbita (squashes generally, incl. pumpkins, zucchini, acorn squash, etc.), Cucumis (melons generally, incl. honeydew, cantelope, & cucumber), Citrullus (watermelon). Loofah sponges come from the fibrous pericarp of Luffa spp. .