RNR 202 Lab practical - Lab Practical, 2006 RNR 202...

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Lab Practical, 2006 Name:_____ KEY ________ ___ RNR 202 Lab Day: _____ Part 1 Family identification and key terminology Unless otherwise noted, each response is worth 1 point, (71 points total on this part) #1: Argemone , herbarium sheet This plant belongs to the family ____________________ Papaveraceae . When alive, members of this family often release _________ __________ milky latex/sap from their stems or fruits when cut. ______________ crinkled petals and ______________ numerous stamens are also characteristic of this family. Members of this family typically produce fruits classified as _____________________ capsules 5 #2: Chenopodium This plant belongs to the family ______________________ Amaranthaceae whose members often display small reddish or whitish ____________________ tepals in their flowers and may have __________________ succulent leaves and stems, i.e., with water contents in excess of 80%. 3 #3: Buffelgrass with flowers This plant is classified as a: (circle one) monocot / eudicot / Magnollid? Describe the characteristics that you could evaluate in this specimen or the plant that it was taken from that led you to this conclusion (2 pts). Parallel leaf venation, floral parts in 3s, adventitious roots, scattered vascular bundles ± any two for full credit, 1 ² 1 point. It is in the family _____________________ Poaceae . 4 #4: Boerhaavia , fresh SCOPE This specimen belongs to what family? ______________________ Nyctaginaceae The whitish or reddish tubular _________________ perianth/tepals actually represents a modified calyx. 2 #5: Cynadon tiller/stolon This plant belongs to what family? ______________________ Poaceae What is the botanical term for the fruit type specific to this family? ___________________ caryopsis/grain The label “A” is attached to a structure known as a ____________________
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RNR 202 Lab practical - Lab Practical, 2006 RNR 202...

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