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Questions tagged [flowers]

Reproductive structures of angiosperm (flowering) plants.

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9 votes
1 answer
985 views

How to read a floral diagram?

The above image is a floral diagram of the family Solanaceae So I was hoping someone could explain how to read this floral diagram The Centre suggestion axial placentation to me The ameboid like ...
4 votes
1 answer
414 views

Yellow dandelion-like flowers emerging from beach in early spring

What are these yellow-flowered plants? The yellow flowers look similar to dandelions, but the stalks are much thicker. No leaves yet, just flowers. March 30, 2024. Unusually warm winter this year. ...
2 votes
1 answer
166 views

What makes cherry blossoms so delicious? Does this delicious molecule (or molecules) have some function in the blossom? Does saliva activate it?

My friend showed me a news item about a monkey (or macaque) recently (early February) seen in Taiwan eating cherry blossoms. I assumed it must have been eating caterpillars or other insects that eat ...
0 votes
0 answers
17 views

What allows ovaries to fuse to form a multiple fruit?

If these ovaries are from different flowers but from a single inflorescence, what makes it possible for these ovaries to fuse or produce a single mass? Furthermore, what exactly is the process of ...
3 votes
1 answer
79 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 ,...
0 votes
2 answers
218 views

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 ...
0 votes
1 answer
149 views

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 ...
2 votes
1 answer
157 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]. ...
3 votes
0 answers
57 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, ...
5 votes
1 answer
227 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 ...
3 votes
0 answers
217 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
6k 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 ...
1 vote
0 answers
99 views

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.
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.
1 vote
2 answers
160 views

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 ...
19 votes
2 answers
15k 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 ...
3 votes
1 answer
546 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 ...
1 vote
1 answer
316 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: ...
2 votes
1 answer
84 views

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.
1 vote
1 answer
45 views

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 - ...
0 votes
1 answer
49 views

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?
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 ...
1 vote
1 answer
44 views

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?
5 votes
1 answer
581 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?
7 votes
1 answer
344 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 ...
2 votes
1 answer
70 views

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 ...
0 votes
0 answers
110 views

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 ...
1 vote
1 answer
177 views

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 ...
0 votes
1 answer
75 views

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? ...
2 votes
0 answers
68 views

Which species of Agave are known to have inedible flowers?

It is well documented that many species of Agave have edible flowers, however I keep coming across statements to the effect that "most species" of Agave have edible flowers. This implies that it is ...
2 votes
1 answer
62 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
1 answer
208 views

What is this flower?

I was in Germany recently, and I saw again a flower that I'd only ever encountered before at Meijer Gardens. It's interesting to me because I'd never seen a flower with color variation in only the '...
1 vote
1 answer
283 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 ...
0 votes
1 answer
75 views

What are these flowers on Kerguelen?

What are these plants, which resemble short pink sunflowers, in this photograph from Kerguelen island?
1 vote
0 answers
104 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 ...
1 vote
1 answer
82 views

Identify this wild plant with brilliant scarlet red flowers

Location is Virginia, USA They seem to last all summer
4 votes
1 answer
134 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,
1 vote
2 answers
299 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 votes
0 answers
50 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 votes
0 answers
15 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 votes
1 answer
845 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?
1 vote
1 answer
940 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?
13 votes
1 answer
2k views

Identification of a purple flower

What is this purple flower? Picture taken from a garden in India.
1 vote
0 answers
204 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 ...
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 ...
3 votes
1 answer
50 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 ...
2 votes
0 answers
13 views

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, ...
1 vote
0 answers
30 views

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 ...
0 votes
0 answers
57 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., ...
1 vote
1 answer
108 views

What flower is this grown in Southern China

It is grown in Tropical Southern China. It is not wild.