Questions tagged [flowers]
Reproductive structures of angiosperm (flowering) plants.
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1answer
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What did Darwin mean by “degraded flowers”?
One of the chapters of The Origin of Species says that "Certain plants, belonging to the Malpighiaceæ, bear perfect and degraded flowers;" Full passage for context
Do you know which plant ...
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1answer
41 views
Are these structures real petals?
I don't know the name of the plant. It's a common house plant in Bangladesh. What interests me about its flower is the colorful leaflike structure that probably functions as a petal. What is this ...
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1answer
34 views
What are these flowers on Kerguelen?
What are these plants, which resemble short pink sunflowers, in this photograph from Kerguelen island?
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0answers
22 views
Preserved flowers in epoxy resin [closed]
I want to cast flowers in resin. The problem is that everyone is casting dried flowers in order to prevent the moisture from fresh flowers evaporating while the resin is curing and I need to cast ...
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1answer
58 views
Identify this wild plant with brilliant scarlet red flowers
Location is Virginia, USA
They seem to last all summer
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1answer
149 views
What does basipetal succession (of flowers/leaves) mean?
The definition says that basipetal succession is the arrangement of flowers such that the older ones are present at upper side and the young flowers are arranged towards base. But in this diagram:
...
4
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1answer
58 views
What is the identity of this flower found in Mavericks Beach in Half Moon Bay, California, USA?
Please help identify this flower I saw in Mavericks Beach in Half Moon Bay, California. It was smelling soooo good, you can feel from distance. I want to buy and plant in my garden.
Thank you,
3
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3answers
150 views
Why do we find flowers attractive?
Given that we (humans) are not evolutionarily closely related to bees, why do we find flowers attractive?
2
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0answers
42 views
Has anyone confirmed Darwin's theory that nectar began as something “injurious” to sap?
In "Origin of Species", Darwin says (I have added bold for emphasis):
Certain plants excrete sweet juice, apparently for the sake of
eliminating something injurious from the sap: this is effected,...
2
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0answers
11 views
Ideal examples of Magnoliophyta Lilianae
What are the ideal examples of Magnoliophyta (Lilianae-to be precise) for a teacher to show students?
And, does anybody know exact name of this flower? Picture
7
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1answer
809 views
Identify This Plant (Flower)
I just bought this plant from flower shop, after it flowered it was very beautiful red flower, can anyone tell me what is this flower?
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1answer
321 views
Is a flower having 12 petals trimerous or tetramerous?
Suppose if a flower has 12 petals. Then 12 is a multiple of both 3 and 4. So which category of flower is it? Is it trimerous or tetramerous?
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0answers
76 views
What makes the flowers glow?
I had learnt in a plant biology course that, all the flowers are actually originating from leaves, with several mutations. I wonder what makes a flower sparkly like this.
Photos belong to a ...
2
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0answers
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Does hybridizing a specific flower affect the offspring?
If among several flowers within a plant, there is a specific flower that is slightly larger or brighter or has an extra petal, will this trait be possibly passed on to the offspring? In other words, ...
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0answers
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What is this strange flower which I found on an upheaval in Rhodes (Greece) in July?
It looks like it carries berries instead of blossoms. Is it actually a flower or rather a baby tree? I found it in a Google image search (see here: https://goo.gl/images/vfBDSP), but there was no ...
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0answers
28 views
Do four-leaf clovers have some disadvantage in reproduction?
As far as I understand, four-leaf clovers are caused by genetics, so when reproducing, they should produce four-leaved children. I haven't found any disadvantages of four-lead clovers (e.g., ...
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0answers
28 views
Flower Identification: Pyrenees, France
I'm trying to identify the white flowers in this photo. Location is in the Pyrenees mountains near Luz-Saint-Saveur in France. The image was shot in early September of this year. Any help is greatly ...
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0answers
21 views
Hypanthial disc
Can anyone illustrate what the hypanthial disc is? It is descriped throughout the key to Rosa in the Flora of North America. I think that I understand that the hypanthium is the hip which is formed ...
3
votes
1answer
44 views
Is flowers nectar secreation influenced by bees/pollinators?
Nectar secretion by flowers is influenced by many environmental factors e.g. water supply and air temperature [1].
My question is: do bees (or any other pollinator) influence it too?
I can imagine ...
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1answer
55 views
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0answers
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Determine planar phyllotaxis characteristics
Is there any method to fast and precise count the number of spiral and the divergence angle on a planar phyllotaxis pattern?
The example of spiral phyllotactic arrangement of emerging flowers on ...
3
votes
1answer
68 views
ID of this flower/plant and origin if possible
Hello again all you helpers out there!
So this plant or flower is found in Virginia (USA) rural area mainly woodland and grassplains, when it comes up, it rarely last for very long, so with a photo ...
4
votes
2answers
56 views
Can anyone identify these flowers?
I'm mostly interested in the maroon and white ones in the center, or the purple and white ones in the front left corner. They were in bloom in a garden in July at the Buffalo Harbor. Any help would ...
3
votes
1answer
95 views
What flower is this? (Dolomites, Italy)
I took this picture a few days ago in Val Rendena, in the dolomitic Brenta group (2000 m). The whole plant was 15 cm tall at most, and it had a single leaf on the stem. What flower is it?
7
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2answers
137 views
Alpine flower identification — Italy/France
I have been using the internet to try to identify alpine flowers photographed in July 2007 on a shortish walk above Chianale (1800 m), in the Italian Valle Varaita (bordering the French maritime alps)....
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0answers
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Can someone identify this Brazilian flower?
The photo was taken in january 2004, at Parque Estadual do Rio Preto (Black River State Park), in the Cerrado (savanna-like) of northeastern-central Minas Gerais, Brazil.
The plant was herbaceous/...
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2answers
778 views
Where can I find a picture of the inflorescence of Epipremnum aureum (golden pothos)?
Epipremnum aureum (golden pothos) is a very popular house plant - attractive and almost impossible to kill.
Also, it is a flowering plant with flowers produced in a spathe up to 23 cm (9 in) long, ...
2
votes
1answer
528 views
what is the name of this small plant with yellow flower?
Can someone please help me find the name of this flower. The close I got to is maybe some kind of diasy?.
Location: Hyderabad, India
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2answers
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0answers
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Can anybody identify this flower for me?
One single flower on small 2 year old tree with alternate leaf arrangement
2
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0answers
29 views
What is a 1-flowered raceme?
PlantNET describes the inflorescences of Daviesia acicularis as:
Racemes reduced to 1 flower
How is a 1-flowered raceme different from a single flower?
2
votes
4answers
189 views
What causes plants in the prunus genus to reach anthesis?
In a related question, I ask how to trick fruit trees into flowering later in the spring by prolonging frozen ground conditions.
However, I'm starting to realize that I don't actually understand what ...
5
votes
2answers
670 views
Trick fruit trees into flowering later in the spring
There is a common problem with fruit trees in temperate climates where the trees flower before the last frost. Generally speaking, if the tree has flowered, and the temperature drops below freezing, ...
2
votes
1answer
524 views
Which one is true about sunflowers, “follow the sun across the sky” or “always face east”?
Which one is true :
Sunflowers follow the sun across the sky.
Or...
Sunflowers always face east.
Or are there 2 kinds of sunflowers with different behaviours?
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1answer
62 views
Flower/Plant Identification
Could anyone please identify this flower/plant found on the semi-shaded banks of a river in East Ireland? It was located near Japanese Knotweed and looks quite similar to this.
3
votes
1answer
93 views
Reasons for a flower type to consume water faster than another?
This is an easy experiment where you put a white flower into a recipient filled with water and liquid watercolor, so that the flower gets dyed.
While doing this experiment for different types of ...
0
votes
1answer
52 views
What is this liriope looking plant?
They look like monkey grass, in the midst, a tall, skinny stem with bright orange flowers on top.
One of the plants, although it looks just like the others, has pink, purplish flowers instead of ...
6
votes
1answer
237 views
What is the name of this flowering plant?
My mother is in hospice, and this beautiful flower is outside her window. She would like to know the name of "her" flower.
The flower is growing in Eastern Kansas and we are approaching the first ...
2
votes
1answer
175 views
What is this yellow-pink flower?
Found in Pennsylvania, Philadelphia County
This is intentionally planted, not sure if it is indigenous to this region. Thank you for your expertise!
13
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1answer
961 views
What is this ornamental, yellow flower that looks like a smooth pineapple skin?
My mom got this in her Mother's Day arrangement and we have no idea what it is.
2
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0answers
35 views
What was the first known flower meant for a flying pollinator insect?
I think flower ancestors were colorless and sugarless. The first flower then chanced upon using insects by attracting them. Has this flower been discovered and from what ancestors did it evolve from?
12
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1answer
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4
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2answers
171 views
What flower is this?
I received this flower as a gift.
So far, I couldn't identify what flower it is. My family thinks it may be either some sort of Clematis or an Ipomoea purpurea.
The main reason I want to identify ...
2
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1answer
94 views
7
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1answer
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How do the flowers of Diphylleia grayi become transparent after rain?
Known as the skeleton flower, its flowers turn transparent in rain. How does it do so? How can it gain transparency in rain when water is already present in flower? Or is it because other components ...
6
votes
1answer
7k views
What happens to tube nucleus of the pollen tube after fertilisation?
Background:
Pollen tube contains a vegetative cell and a generative cell. The vegetative cell contains the tube nucleus, and the generative cell contains two male gametes. The two male gametes fuse ...
5
votes
2answers
455 views
What would be a reason for a tree to have flowers of different colors?
The spring is here and the cherry trees along my street are blooming again! Some trees have white flowers, some dark pink. But then... there're these trees which are all white yet just a few flowers ...
2
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0answers
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Why does abnormal mitosis takes place in the cells of tapetum?
I know that the tapetal cells present in the anther are binucleate. I also know this means that after karyokinesis the cell does not divide itself and instead form a syncytium. This occurs due to ...
5
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1answer
140 views
What plant is this, seen at the Allan Gardens?
I tried a couple of apps on my phone, but I could not identify this flower and plant species. These are at the
Allen Gardens Conservatory, at the beginning of Spring in Toronto.
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0answers
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Why Japanese cherry trees blossom so early in spring?
My understanding is that flowers' main benefit are the insects which attracted to the shape/taste of these and facilitate cross pollination. Yet the Japanese cherry trees start (and end) to blossom (...
