Alstroemeria Flower Dissection
We used simple equipment to conduct the dissection.
Alstroemeria Flower Dissection. Feel free to share this and other virtual learning resources from NC State Extension. In order to give options for differentiation or younger students two other. About thirty species of Alstroemeriaoccur in thegrasslands and pampas.
Alstroemeria has six stamens and an undivided style. They should sketch both the male and female portion of the plants. The ovary on the Alstroemeria is inferior with 3 carpels.
Cut down your plant to 6 in. Glue magnifying glass flower forceps In the days leading up to this activity start reminding your students to bring a flower. This versatility has seen the flowers naturalised in other countries as an ornamental and cut flower.
Using the razor carefully remove the petals ONLY from the flower. Be sure to avoid cutting the base of the flower. Also give each student as you deem it appropriate proper dissection tools.
They should dissect them using the same methodology that they used in the Alstroemeria dissection. Discuss how a dissection of the flower will help to discern the functions of each of the parts. Forceps probes and razor blades scalpels or dissecting scissors.
15 cm deep and 12 in. Obtain the flower razor probe forceps dissecting platform and hand lens. Next they should remove the petals and record the number their flower have.
We used alstroemeria flowers with the lab since they are readily available at our local grocery store and are pretty easy to work with and to identify all of the parts. Flower dissection examining the sepals petals stamen and carpels of an Alstroemeria. The sepals and petals on the Alstroemeria are similar in color and texture - ie there are no solid green sepals.
Click here for amazing images of this monocot flower. They then use that information as they dissect and classify the parts of other species flowers. Overview Students dissect an Alstroemeria or similar flower to familiarize themselves w ith the basic parts of a flower.
First they should sketch the external features of the plant and label them. The Flower Dissection offers an excellent way to apply students knowledge of the reproduction of flowering plants. In this lab activity students will dissect the typical parts of a flower and identify male and female reproductive organs.
Alstroemeria - The Peruvian Lily. The materials needed for this lab are minimal. Weve created a YouTube Playlist on the Plants for Human Health Institute channel for all the STEM To-Go videos that will be forthcoming from our STEM Education team.
The Alstroemeria plants lily family - Liliaceae photographed in thisarticle are more commonly known as the Peruvian Lily or Lily of theIncas. Using the hand lens look at the flower from the top. Magnifying lenses tweezers sharp scissors and transparent tape.
This is our first dissection of the year and if you want to show the folks at home what you looked at in class today click on the picture below. Introduction Flowers mean something. Two weeks later dig all the way around the plant.
Introduce the activity with the motivation above. The male portion of the flower is called the stamen and is broken down into two parts. They are native to South America growing mainly in thecool mountainous regions of the Andes.
Pass one Alstroemeria flower out to each student. Alstroemeria is a slightly zygomorphic bilaterally symmetrical flower with 3 sepals and 3 generally striped petals. A lily or alstroemeria are ideal flowers for a simply dissection demonstration.
We use flowers to say congratulations Im sorry I love you or feel better soon. Research has shown that in Alstroemeria flowers more nectar is produced when the stamens have developed the male stage than during the later female stage when the stigmas are ready to receive the pollen. In the Alstroemeria flower the stamens the male pollen producing parts of the flower develop before the stigma the top of the female part of the flower.
The female portion of the flower is called the pistil and is broken down into four parts. These include cloud forests swamps marshlands desert areas as well in the Andes mountains. It has lovely illustrations that explain the parts and functions of all the parts of a flower.
Divide the rhizomes of the plant with a sharp knife and then replant the rhizomes 6 in. 15 cm of the ground. Dig up the plants rhizomes as well as all of the roots that branch off from them.
Alstroemeria grows in a wide range of habitats. It has a lab sheet with instructions and higher order reflection questions for each step of the dissection. Dissection flower lab plant.
Carefully remove each petal of your flower pulling them down toward the stem. It has lovely illustrations that explain the parts and functions of all the parts of a flower. Draw and label what you see in Diagram 1.
The stigma style ovule and ovary.
