Additionally, possessing the four basic parts possible for flowers means the petunia is also what is termed a "complete" flower.Sophie Johnson is a freelance writer and editor of both print and film media. Holding the anther aloft is a stemlike structure called the filament.blossom petunia image by Igor Zhorov from Fotolia.comThe gynaeceum is the female reproductive part of the petunia. Name – Petunia x surfinia Family – Solanaceae or nightshade Type – annual. Before a petunia opens, sepals enclose the bud, protecting the innards of the flower from harm.Variety of petunias image by Sergey Kolesnikov from Fotolia.comThe corolla of any flower is easy to distinguish since it is composed of petals. Height – 6 to 20 inches (50 cm) Exposure – sun or part sun The petals, …
Corolla.
Varieties created by man, though, can be sterile.Because the petunia has both a male androecium and a female gynaeceum, the flower is a hermaphrodite. Petunia species are mostly annual herbs.
It is often used as a cascading flower to cover balconies and deck overhangs. Eggs await pollination deep within these organs. The leaves are sessile (e.g., lacking a petiole, or leaf stem) and are usually oval-shaped with smooth margins; some feature fine sticky hairs. The corolla of any flower is easy to distinguish since it is composed of petals. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Stamens create pollen, which contain sperm. Petals also serve to attract pollinators.Cultivation has led to petunia varieties with quite fancy corollas, including those possessing ruffled petal edges.
A petunia is funnel-shaped and, unless it has been specially bred, will have four sets of parts arranged in concentric circles.miniature petunia image by Photoeyes from Fotolia.comThe four parts petunias might possess are always in the same order, starting with the calyx on the outside. These are the source of pollen. You can find petunias in just about every color but true blue and with growing habits that mound in borders or trail down containers. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved.
The flowers are funnel-shaped, consisting of five fused or partially fused petals and five green sepals.
At the top is the anther, which is roughly shaped like a capsule.
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... When a flower can be divided by a single plane into two equal parts, it is zygomorphic, or… Virtually any topic for the virtual learner. Pink variegated flowers of a common garden petunia (This article was most recently revised and updated by …radially symmetrical, as in the petunia, buttercup, and wild rose. The four main parts of a flower are the petals, sepals, stamen, and carpel (sometimes known as a pistil). A freelancer for more than 20 years, Johnson has had the opportunity to cover topics ranging from construction to music to celebrity interviews. Summary of surfinia facts.
Pollination means the sperm reaches the eggs, fertilisation occurs and seeds follow. Petunia is genus of 20 species of flowering plants of South American origin. Our editors will review what you’ve submitted and determine whether to revise the article.