Lab 3 Worksheet.pdf - 1r Introductory Crop Science Dicot Flower Structure Lab Figure 3l shows a typical dicot flower Using Figure in Lab Figure&1 l0-l

Lab 3 Worksheet.pdf - 1r Introductory Crop Science Dicot...

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{ { 1r Introductory Crop Science Dicot Flower Structure Lab Figure 3l shows a typical dicot flower. Using Figure l0-l on page l25as a guide, label the structures in Lab Figure &1. / Sepals: usually green, leaflike bracts or modified leaves that form the outermost whorl of floral parts. In the bud stage they protect the other parts from injury. The collective term for all the sepals is the calyx. Petals: usually colorful and fragrant to attract insects. Petals are located just within the calyx. Many produce nectar in specialized glands near the base. The collective term for all the petals is the corolla. Stamens: the male reproductive organs of the plant. The collective term for all the sta- mens is the androecium. Stamens in dicot flowers occur in multiples of four or five. Each stamen has two parts. / Rtament: a stalk that supports the anther. n/a,nttren produces the pollen. Pistil: the female reproductive organ of a plant. If there is more than one pistil, they are collectively called the gynoecirrm. The pistil has three parts. / Sfrgmaz located at the tip of the pistil, it is designed to attract and hold pollen. y' Styte: a stalk-like structure that connects the stigma to the ovary. 'y'Onury, contains the egg that develops within the ovule. The ovule at maturity ' becomes a seed. The ovary can contain from one to many ovules. Receptacle: the base of the flower located just below the calyx. Pedicel: a branch from the peduncle. It supports a flower when a group of flowers is present. Peduncle: a stem that supports one or more flowers. An example is the stem betow the inflorescence and above the uppermost node in a plant. The essential flower parts are the stamens and pistil, and the accessory flower parts are the sepals and petals. The collective term for the sepals and petals is the perianth. {.not\ '9.k6\ r / F't*^. I :,o rt' L*^", 5rrgo-\ LeccYxacle- Pea;ce-l OBurg* Publlthing Co.
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  • Fall '17
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  • Lab Figure, Dicot Flower Structure

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