Questions tagged [flowers]
Reproductive structures of angiosperm (flowering) plants.
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Which kind of inflorescence(s) does Sonchus oleraceus have?
Many capitulum inflorescences, several corymb inflorescences with capitulum inflorescences as the end nodes of each corymb inflorescence, or one compound corymb inflorescence with capitulum ...
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How does pollen grain lose viability?
If sporopollenin is such a resistant layer, how does pollen grain lose viability, even such easily in some cases?
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Do monoecious plants have bisexual flowers?
I used to think that monoecious plants have male (unisexual) flowers and female (unisexual) flowers on the same plant but on different locations. But recently I learnt that monoecious plants also have ...
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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, ...
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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 ...
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What kind of yellow flower is this?
Shot in a garden in Haliburton, Ontario, Canada on August 6th, 2020. Flowerhead size approx. 3" diameter across.
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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.
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Seed head Identification. July in Toronto, Ontario, Canada
What flower has this type of seed head? (this was shot on July 17th, 2020)
This was in a residential garden in Toronto. Going from memory, i believe the size was approx. 2 1/2" to 3" in ...
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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 ...
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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].
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Tiny deep red flower shrub species ID
I found this plant with maple like leaves blooming after rains this july.I am in Bhubaneswar,India.
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Flower Identification
I found a flower along the banks in north India ( near Ganges ) and I am not able to identify it. According to its leaves I thought it as Prosopis cineraria but I am not sure about it..
Leaf - ...
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Identify bush with white puff and 3 petal flowers, is it poisonous?
Is this one of the poisonous bushes I should worry about? Tiny white puff of flowers along with 3 petal flower. What is it?
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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 ...
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Red flowering climber ID
Here's another climber from the same garden in Araku Valley
So what is this climber?
Does it have any economical uses?
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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 ,...
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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 ...
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Allamanda blanchetti fertilization mechanism
Here is an Allamanda blanchetti flower in my garden.
My question is based on the observation that the flower seems to be devoid of any reproductive structures, i.e., Stamen or Carpel, so how does it ...
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Help identifying a part of a flower
I researched about floral diagrams and this is what I found:-
This is floral diagram of Theobroma cacao. I managed to identify others but this part near the stamens was not found anywhere.
Also the ...
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Phytophagous worm identification
These worms appear soon after the rain lilies flower and slowly nibble on the leaves growing big and chubby. They are about 5cm long, have many small red legs underneath, have no spines or spikes, and ...
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Bougainvillea flowering problem
My bougainvillea plant hardly flowers and only at the tips. It has one very long vertically growing stem(if I may call it so).
Is this an example of apical dominance.
If so how is it to be corrected?
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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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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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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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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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Identify this wild plant with brilliant scarlet red flowers
Location is Virginia, USA
They seem to last all summer
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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:
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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,
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Why do we find flowers attractive?
Given that we (humans) are not evolutionarily closely related to bees, why do we find flowers attractive?
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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,...
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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
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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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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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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 ...
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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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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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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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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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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 ...
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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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What flower is this grown in Southern China
It is grown in Tropical Southern China. It is not wild.
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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 ...
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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 ...
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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 ...
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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?
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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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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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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, ...
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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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