Questions tagged [flowers]
Reproductive structures of angiosperm (flowering) plants.
98
questions
38
votes
1
answer
31k
views
Why does a coconut have exactly three "holes"?
Why do coconuts have exactly three "holes", as seen in this picture?
A theory says:
As coconut is a sibling of palm, somehow long time ago, three palms were in a same husk. Based on evolution theory, ...
19
votes
2
answers
13k
views
Why do pink rain lilies flower only after rains, and not from being watered?
We have pink rain lilies (Zephyranthes carinata) in the garden. In my personal experience, I've found that they always flower, without exception, shortly after rains. However, there are roughly ten ...
13
votes
1
answer
1k
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.
13
votes
1
answer
2k
views
Identification of a purple flower
What is this purple flower? Picture taken from a garden in India.
8
votes
3
answers
1k
views
Identifying three species of Datura
I have found a large, wild patch, some 200m long, of mainly Datura Stramonium, in our street. I have always been keenly interested and well read on the shamanic, and - very rare - medicinal uses of ...
8
votes
1
answer
699
views
What kind of flower is this?
I was in my garden a few days ago and found the flower shown in the pictures.
Can anybody tell me what this flower is?
Location: Germany / northrhine westfalia
Date: February 2017
Season: Winter
[...
7
votes
2
answers
193
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)....
7
votes
1
answer
837
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?
7
votes
1
answer
163
views
Identify this roadside plant in Montserrat, Spain
Photographed in April; growing abundantly on the side of a rocky path in Montserrat, Spain. Up to maybe 1 foot (30 cm) in height.
7
votes
3
answers
2k
views
What is the name of this flower?
This is from Bangladesh though I am not sure it's native here
7
votes
1
answer
290
views
What are these structures inside a cut open Allamanda blanchetti?
As suggested by @tyersome in my previous question on the same topic which I posted yesterday, I have cut open few flowers of Allamanda blanchetti
in order to observe if any reproductive structures ...
7
votes
1
answer
4k
views
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
1
answer
248
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 ...
6
votes
1
answer
433
views
What is the name of this flower?
A flower has grown on a leaf in our garden. What is the name of this flower? Give some description.
6
votes
1
answer
534
views
What is the name of this plant, from Bangladesh?
This is a small plant from my backyard. I have found the flower closes in the evening.
6
votes
1
answer
8k
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
1
answer
1k
views
What kind of purple flower is this?
Shot in a garden in Haliburton, Ontario, Canada on June 18th, 2020. Flowerhead size approx. 1 1/4" diameter across.
5
votes
1
answer
151
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.
5
votes
1
answer
3k
views
What is the trigger of pollen tube formation when the pollen is on the stigma?
What is the mechanism of pollen tube formation when the pollen is close to the stigma ?
Is it because of chemotaxis? In other words, is the growth triggered by some chemical substance that is ...
5
votes
1
answer
100
views
What is this plant on the photos?
Found in Kustaankartano, Helsinki, Finland in June 2015.
(for closeup view, copy image URL and open in new window and then zoom in)
5
votes
2
answers
178
views
Can anyone ID this flower plant by the photo?
Can someone identify this plant? It has big red flowers when it flowers! Not sure if it is native, but it is in my grandmothers garden in Vancouver, British Columbia, Canada.
5
votes
2
answers
978
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 ...
5
votes
2
answers
2k
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, ...
5
votes
1
answer
202
views
Different flowers have same colour
I notice that certain (wild) flowers have the same colour, although they are not closely related. For example, the yellows of the dandelion (Taraxacum) and the buttercup (Ranunculus) are, at least to ...
5
votes
1
answer
495
views
Why do plants flower in different seasons?
I know how it is controlled (photoperiodism), but I wonder why all plants don't start to flower in spring? Is it connected with ecological niche?
4
votes
2
answers
65
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 ...
4
votes
1
answer
3k
views
Do flowers transpire?
I have googled this out but no where found a satisfactory answer. The definition of transpiration states that it is the evaporative loss of water from the aerial surfaces of the plant but I am really ...
4
votes
1
answer
127
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,
4
votes
2
answers
187
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 ...
4
votes
1
answer
162
views
Can anyone identify this plant from Bangladesh?
I have taken the picture from an agriculture university in Bangladesh.
4
votes
1
answer
394
views
Identification of a plant (in a pot)
I have in my flat a plant which sometime make strange flowers. When the start it looks like plastic stars:
Then the flowers are opening after few days and looks like this:
The smell is a bit ...
3
votes
1
answer
137
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?
3
votes
1
answer
4k
views
Any idea what this red plant is?
I live in South central Indiana, US, and these have just started appearing in the grass in my yard. I just bought this house last fall so I've never seen them. Anyone know what they are? Are they ...
3
votes
1
answer
472
views
Is there any relation between phyllotaxis and the Fibonacci sequence?
I had to modify the question to get into a clearer answer. I originally asked this:
Original question
Watching some TV series, I saw the claim that all flowers have a number of petals that is related ...
3
votes
1
answer
77
views
Tree identification
I went to Araku few days ago and saw this tree in a garden .
Here are the leaves
I know the pic of fruits is a bit hazy and out of focus,but it's the best I have.
These trees were in a cluster ,...
3
votes
1
answer
78
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 ...
3
votes
1
answer
101
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 ...
3
votes
0
answers
51
views
Questions regarding the four pollination mechanisms of papilionaceous flowers
I want to understand the four mechanisms of pollination in papilionaceous flowers: pump/piston, explosive, valvular and brush.
The topic is lightly touched upon in this part of a Wikipedia article, ...
3
votes
0
answers
113
views
Single flowers and double flowers on the same plant?
A friend of mine found a strange plant of begonia that at first had regular flowers. After a while it started producing double flowers and has now a mixed inflorescence:
The double flowers look like ...
3
votes
1
answer
47
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 ...
3
votes
0
answers
354
views
Is the number of stamens always 9 for geranium?
We are studing in class the reproduction of plants.
We start the lesson by observing some components of flowers, it was the Géranium.
First of all we start counting the number of sepals , petals and ...
2
votes
1
answer
59
views
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 ...
2
votes
4
answers
235
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 ...
2
votes
1
answer
105
views
Can anyone id this flower
I took this photo on Madeira, in a botanical garden.
2
votes
1
answer
608
views
Can anyone Id this flower?
Small pink flower, started out as tiny buds, leaves look almost like Maple leaves..
2
votes
1
answer
117
views
Strange yellow flower in shrub Species ID
This is a perennial plant photo taken in Bhubaneswar, Odisha, but I have seen the same plant in Andhra Pradesh as well. It's not exactly woody like a tree, but pretty large shrub [taller than me].
...
2
votes
1
answer
207
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!
2
votes
1
answer
424
views
What is the name of this flower? The photo was taken in the Okanagan Valley, British Columbia
This little flower was growing on dry ranchland in Kelowna, it flowered in April:
2
votes
2
answers
117
views
White flower with spikes around base?
What type of flower is this?
Location : India
2
votes
1
answer
847
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?