Questions tagged [flowers]

Reproductive structures of angiosperm (flowering) plants.

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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, ...
imwenyz's user avatar
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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 ...
Fiksdal's user avatar
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13 votes
1 answer
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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.
Sadie thompson's user avatar
13 votes
1 answer
2k views

Identification of a purple flower

What is this purple flower? Picture taken from a garden in India.
HPL's user avatar
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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 ...
ProfK's user avatar
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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 [...
LStrike's user avatar
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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)....
David's user avatar
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7 votes
1 answer
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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?
Muath's user avatar
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7 votes
1 answer
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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.
iayork's user avatar
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7 votes
3 answers
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What is the name of this flower?

This is from Bangladesh though I am not sure it's native here
Ahmed Abdullah's user avatar
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 ...
Amarylis Vaselaar's user avatar
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 ...
user30561's user avatar
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6 votes
1 answer
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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 ...
Bob Keller's user avatar
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.
Nilay Ghosh's user avatar
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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.
Ahmed Abdullah's user avatar
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 ...
Mesentery's user avatar
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5 votes
1 answer
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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.
OrbitRob's user avatar
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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.
foamroll's user avatar
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5 votes
1 answer
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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 ...
user233658's user avatar
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)
Sunny Reborn Pony's user avatar
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.
Braxton's user avatar
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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 ...
maxint's user avatar
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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, ...
User1974's user avatar
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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 ...
NL_Derek's user avatar
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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?
Chris's user avatar
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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 ...
Beckie Maryland's user avatar
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 ...
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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,
ahmet's user avatar
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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 ...
Wheatley's user avatar
4 votes
1 answer
162 views

Can anyone identify this plant from Bangladesh?

I have taken the picture from an agriculture university in Bangladesh.
Ahmed Abdullah's user avatar
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 ...
рüффп's user avatar
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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?
LinuxBlanket's user avatar
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3 votes
1 answer
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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 ...
ansarob's user avatar
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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 ...
Mauricio's user avatar
  • 259
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 ,...
Amarylis Vaselaar's user avatar
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 ...
Beo's user avatar
  • 75
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 ...
DiMorten - Jorge Chamorro's user avatar
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, ...
BreadFromOuterSpace's user avatar
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 ...
alephreish's user avatar
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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 ...
mattia.b89's user avatar
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 ...
user233658's user avatar
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 ...
maya's user avatar
  • 23
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 ...
User1974's user avatar
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2 votes
1 answer
105 views

Can anyone id this flower

I took this photo on Madeira, in a botanical garden.
Isabella Chen's user avatar
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..
Linda Marie's user avatar
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]. ...
Amarylis Vaselaar's user avatar
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!
electronpusher's user avatar
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:
Susan's user avatar
  • 23
2 votes
2 answers
117 views

White flower with spikes around base?

What type of flower is this? Location : India
Chloritone_360's user avatar
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?
Jamal Senjaya's user avatar