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Questions tagged [flowers]

Reproductive structures of angiosperms.

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Pink! Flower Identification: Pyrenees, France

I'm trying to identify the pink 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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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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1answer
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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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1answer
53 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
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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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1answer
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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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246 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
54 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
70 views

White flower with spikes around base?

What type of flower is this? Location : India
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33 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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26 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
134 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
266 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
142 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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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.
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1answer
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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 ...
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1answer
47 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 ...
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1answer
225 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 ...
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1answer
127 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!
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1answer
758 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.
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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?
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1answer
911 views

Identification of a purple flower

What is this purple flower? Picture taken from a garden in India.
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2answers
143 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 ...
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1answer
91 views

Can anyone id this flower

I took this photo on Madeira, in a botanical garden.
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1answer
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How the flowers of Diphylleia grayi becomes transparent in rain?

Known as skeleton flower, it's flowers turns 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 of ...
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1answer
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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 ...
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2answers
167 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 ...
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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 ...
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1answer
128 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.
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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 (...
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1answer
499 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 [...
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2answers
502 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 ...
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1answer
79 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 ...
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1answer
124 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.
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1answer
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Name of this flower?

i'd like to know the name of this flower.
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1answer
1k 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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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 ...
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1answer
236 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 ...
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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 ...
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Which species of Agave are known have flowers which are not edible?

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 ...
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1answer
323 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.
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1answer
3k views

When does meiosis occur in flowering plants?

At what point does meiosis occur during the development of a flower?
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3answers
993 views

What is the name of this flower?

This is from Bangladesh though I am not sure it's native here
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1answer
16k 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, ...
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1answer
117 views

Can anyone identify this plant from Bangladesh?

I have taken the picture from an agriculture university in Bangladesh.