Questions tagged [flowers]
Reproductive structures of angiosperm (flowering) plants.
98
questions
2
votes
2
answers
117
views
White flower with spikes around base?
What type of flower is this?
Location : India
2
votes
0
answers
34
views
Can anybody identify this flower for me?
One single flower on small 2 year old tree with alternate leaf arrangement
2
votes
0
answers
31
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?
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 ...
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, ...
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?
1
vote
1
answer
68
views
Flower/Plant Identification
Could anyone please identify this flower/plant found on the semi-shaded banks of a river in East Ireland? It was located near Japanese Knotweed and looks quite similar to this.
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 ...
0
votes
1
answer
98
views
What is this liriope looking plant?
They look like monkey grass, in the midst, a tall, skinny stem with bright orange flowers on top.
One of the plants, although it looks just like the others, has pink, purplish flowers instead of ...
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 ...
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!
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.
2
votes
0
answers
39
views
What was the first known flower meant for a flying pollinator insect?
I think flower ancestors were colorless and sugarless. The first flower then chanced upon using insects by attracting them. Has this flower been discovered and from what ancestors did it evolve from?
13
votes
1
answer
2k
views
Identification of a purple flower
What is this purple flower? Picture taken from a garden in India.
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 ...
2
votes
1
answer
105
views
Can anyone id this flower
I took this photo on Madeira, in a botanical garden.
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
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
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 ...
2
votes
0
answers
79
views
Why does abnormal mitosis takes place in the cells of tapetum?
I know that the tapetal cells present in the anther are binucleate. I also know this means that after karyokinesis the cell does not divide itself and instead form a syncytium. This occurs due to ...
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.
1
vote
0
answers
88
views
Why Japanese cherry trees blossom so early in spring?
My understanding is that flowers' main benefit are the insects which attracted to the shape/taste of these and facilitate cross pollination. Yet the Japanese cherry trees start (and end) to blossom (...
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
[...
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?
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 ...
1
vote
1
answer
153
views
Why would a flower evolve such that a particular pollinator cannot pollinate it?
I went on an interpretive trail today and came across a wild flower sign. It said that some flower species evolved such that they can not be pollinated by humming birds as they are shaped such that ...
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.
1
vote
1
answer
49
views
Name of this flower?
i'd like to know the name of this flower.
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 ...
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 ...
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 ...
0
votes
0
answers
75
views
What is wrong with this flower?
Today morning I was surprised to see this flower as it has four normal pale orange coloured petals and one bright red one. This is a flower of Hibiscus and all the flowers of this plant have the ...
2
votes
0
answers
60
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 ...
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.
2
votes
1
answer
4k
views
When does meiosis occur in flowering plants?
At what point does meiosis occur during the development of a flower?
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
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, ...
4
votes
1
answer
162
views
Can anyone identify this plant from Bangladesh?
I have taken the picture from an agriculture university in Bangladesh.
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.
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.
2
votes
1
answer
191
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 '...
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..
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)
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:
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 ...
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 ...
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 ...
2
votes
0
answers
55
views
Is (are) there any crucial gene(s) for the formation of flower in flowering plants? [closed]
I am interested in qualitative (flowers of some plants have petal or sepal, but some plants have not) and quantitative (number of flowers of plants) differences between flowers of different plants.
...