Biology

Questions tagged [flowers]

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Reproductive structures of angiosperm (flowering) plants.

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1answer
268 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 ...
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39 views

Strange yellow flower in shrub Species ID

This is a perinneal 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]. What ...
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22 views

Pink and white flower species ID

I found these small plants growing after the rains in July .In Bhubaneswar , India. What species is it?
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1answer
35 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.
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Flowering climber species ID in Odisha

I found this pink climber on a tree , in Bhubaneswar,India. It started blooming around july .
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1answer
41 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 - ...
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1answer
37 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?
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1answer
157 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 ...
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25 views

Of Autogamy, Geitonogamy and Xenogamy

Ok, so I know whats the difference between the three terms in botany. Autogamy is pollination within the same flower, Geitonogamy is pollination from the anther of one flower to the stigma of another ...
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1answer
32 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?
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1answer
51 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 ,...
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1answer
139 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 ...
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1answer
53 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 ...
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60 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 ...
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1answer
49 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 ...
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1answer
45 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? ...
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1answer
46 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 ...
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1answer
60 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
41 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
38 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
63 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
253 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: ...
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1answer
71 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,
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2answers
245 views

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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44 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,...
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0answers
14 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
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1answer
819 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
588 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
91 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 ...
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0answers
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, ...
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0answers
28 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 ...
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34 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
39 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 ...
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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
72 views

What flower is this grown in Southern China

It is grown in Tropical Southern China. It is not wild.
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0answers
32 views

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
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1answer
76 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 ...
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2answers
58 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
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1answer
104 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?
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2answers
159 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
27 views

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
927 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, ...
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1answer
833 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
95 views

White flower with spikes around base?

What type of flower is this? Location : India
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0answers
34 views

Can anybody identify this flower for me?

One single flower on small 2 year old tree with alternate leaf arrangement
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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?
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4answers
201 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 ...
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2answers
946 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, ...
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1answer
664 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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