Biology of Plants
Biology of Plants
8th Edition
ISBN: 9781429219617
Author: Evert, Ray F./
Publisher: Macmillan Higher Education
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Chapter 26, Problem 1CP
Summary Introduction

To determine: The way in which the annuals, biennials, and perennials differ from one another.

Introduction: The secondary growth in the eudicot plant is the increase in the thickness of the roots, stems, and other plant body as the result of the activity of vascular cambium and cork cambium. The herbaceous plants may undergo little or no secondary growth.

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Explanation of Solution

The differences between the annuals, biennials, and perennials are given as follows:

CriteriaAnnualsBiennialsPerennials
Life cycleThe annual plants complete their life cycle in one year.The biennials are monocarpic plants and they die in the second season, so that they complete their life cycle in two years.The perennials may live for more than two years.
SeedsThey leave the seeds when the plant dies and the seeds will remain dormant until the right season.When the plant dies, it leaves the seeds. Seeds go through the same two-year life cycle.The plants may produce seeds before they die.
BloomBlooms for a long duration of time, perfect for flowerbeds.Blooms well.Blooms for a minimum period of time.

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