Questions tagged [botany]

The study of plants and plant life.

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2 views

Are there conventions for some scale bars in biological diagrams where the distance that the scale bar represents is already assumed?

I'm reading a paper with a diagram figure to show the leaves of various plant species, and trying to determine their lengths and widths. There is a scale bar but it is not labelled and the distance ...
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When the leaf length ranges are given in a plant species' description, what do the numbers in parentheses represent?

Referring to a plant species, a paper I am reading (see citation below) says: "Blades are 4–5(6) mm long and (0.5)1–1.5 mm broad." I understand the numbers 4-5 and 1-1.5 would be the ranges, ...
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What is this plant? Found in Coquitlam BC

Seed pod or what ever it is seen in October.
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Do fish depend on plants for survival?

As far as I know, all land life depends on plants for survival. Plants convert sunlight to energy using photosynthesis, herbivores consume plants, and carnivores consume herbivores. All the energy is ...
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20 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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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
54 views

Sextuplet corn (Zea mays with branched ear)

In 2019 I planted some sweet corn next to some Hopi blue flint type corn. Of course my mistake was apparent once I started to see the ears. The closer the two types were to each other, the more they ...
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Does the apical bud grow back after being removed?

My question pertains to the apical bud which asserts apical dominance in plants. After it is removed, apical dominance is lifted, what happens to that part of the shoot after that? Does it stop ...
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77 views

Plants with nutritional requirements similar to Cannabis

What are some short plants that preferably could be grown indoor which have similar nutritional requirements (in terms of N-P-K ratio, doses etc.) as Cannabis? The purpose of this is testing a mineral ...
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Transgenic plants with multiple genes?

I have in mind, as a hypothetical project, to generate a transgenic plant capable of synthesizing vitamin B12. This could be consumed by vegans, for instance, as an alternative to B12 supplements or ...
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Unknown plant, please help me identify it

Years ago I was into keeping tropical fruit trees/bushes indoors. One of them didn't do well under my care so I planted it outside to enjoy the final year before European winter gets it. It somehow ...
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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
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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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How do plants that reproduce with artificial vegetative propagation grow in nature?

How do plants that grow with artificial vegetative propagation grow in nature? Will they go extinct if humans stop intervening? e.g., Rose
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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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Biochemical Mechanism behind red hibiscus flower on a cream hibiscus plant

I have two 3-4 yrs old cream hibiscus shrubs in my garden. The shrubs seemed normal enough, giving cream colored petals with a red center. But soon I noticed that there are specific branches, which ...
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Explanation of why more Ca2+ ions causes longer root length in plants

This is for an experiment to test for mineral ion availabity in plants. So if there is more Calcium ions in the soil, there would be an increase in the length of the root of the plant that is being ...
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1answer
66 views

Visual Quality Indicators for Soil and Plants

I would like to know what are the visual indicators that can be used to determining the quality of the soil and plants by looking at the in-situ photos? Can the following quality indicators be ...
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1answer
44 views

What is this plant, and should the lowermost leaves be curling up?

We've got a couple of these plants but have no idea how to look after them. Watering them regularly (every 2-3 days, or when the soil seems dry) seems to help. The pot rims are about a foot at their ...
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1answer
51 views

What part, roughly, of the carbon in a plant comes from the soil? As opposed to the atmosphere?

C4 plants contain a slightly higher percentage of carbon-13 than C3 plants. Is this because of carbon obtained from the soil or the atmosphere? I have read that plants using different chemical ...
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1answer
25 views

How does transpiration help in sucking water up?

How can transpiration help in sucking water up as the amount of water that is sucked up by the evaporation of water equals to the amount of water evaporated. (Correct me if I am wrong). Then how it ...
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45 views

Can we produce sugar using chlorophyll dissolved in ethanol?

I can't find anything about this on the net. I read in my (high-school) textbook that if plants get sunlight, water and carbon dioxide, and the catalyst called chlorophyll, they can make sugar. I'm ...
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1answer
103 views

What is this long cylindrical white fruit called?

Location: West Bengal, India Temperature: 27 °C Weather: Survive all seasons, although it was raining today Length: 35 cm (although it can be small or big typically 10 to 40 cm length), girth:10 cm ...
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Ferns: How big can a circular sorus be?

I looked at some small ferns under the microscope. The circular sori of the ferns I looked at were less than 2 mm in diameter. The microscope I used had rather weak magnification, so I didn't get to ...
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121 views

Are sizes of potatoes normally distributed?

I'm currently researching the variability of sizes of potatoes when all of the potatoes in question have been harvested from a single field. One question keeps coming up in my statistical analyses: ...
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19 views

Why there is unusually big leaves on a single tree branch

I have a freshly planted katsura tree - in general it has leaves that are 1-2 inches in diameter. But one single branch has grown disproportionally longer than others and leaves on this branch are up ...
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What websites biologists use to check what new plant or animal species have been discovered in the world?

What are the databases or websites that biologists use to check what new plants or animals have been found in the world? The service should list the location of the discovery, time of discovery, image ...
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592 views

Where can I download a list of all plant species of the world?

Where can I download a complete list or dataset of every plant species in the world?
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Can someone help me identify this Ficus plant?

I have a bonsai with me which I grew from a seedling germinated in my backyard. It's been with me for the last 5-6 years. I definitely know its a Ficus, but I am not able to identify which species it ...
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43 views

Why don't all plants grow like weeds?

I'm well aware of the Gardening/Horticultural approach of "a weed is any plant that you don't want in its current location". But I think most people would agree that there's a more useful ...
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Why unripe, very young coconut fruits spoil in days, but the ones picked medium mature can keep months?

Coconut fruits can be collected at various stages of maturity. Coconuts which are collected just when the flesh starts forming (about 5-6 months on-palm age), so they have very thin or almost no flesh,...
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What is the actual seed in the fruit of the macadamia tree?

Fruits of the macadamia tree are woody, hard shells, very difficult to break and have an edible part inside. Culinary people call them nuts, but in botany, they are not nuts, just fruits. If I take a ...
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2answers
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How would one track a mineral nutrient in a plant in order to prove that nutrient has been re mobilized?

Before abscission - senescence of a plant structural components that contain mineral nutrients (E.g. Magnesium, Potassium...) are re-mobilized from the senescent tissue and used in other plant tissue ...
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Where can I find a cannabinoids profile of hemp strains?

For my web article, I need to find out the content of individual cannabinoids in hemp strains, specifically for Kompolti, Carmagnola and Purple Haze. I mean the content of all the components, not just ...
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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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What is the difference between fragmentation and true regeneration?

I read in National Council for Education and Training study guide (NCERT) that Planaria (flat worms) undergo true regeneration. Fungi, filamentous algae and protonema of mosses multiply by ...
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1answer
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rapidly growing mold on flat surface

For an experiment I'm conducting, I need to grow mold on a 2 foot square piece of white fiberglass. I'm in Florida, with high heat and humility, so mold already grows easily. I've seen elsewhere that ...
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79 views

What is the fate of the typical tree?

Walking through the local established broadleaf forests dominated by oak and tulip poplar (Eastern U.S.), it is common to find patches of young tree saplings, say 10-20 oak or tulip poplar saplings ...
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Does anybody know what strange plant this is?

Can anyone try to help me identify this plant? Thanks!
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41 views

Why does the sandalwood tree produce a fragrant oil?

Why do sandal trees produce fragrant oil? Is there any purpose for it? Is it to make it unpalatable for other herbivorous animals? If so, why do humans find the fragrance pleasing?
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108 views

Are there any thermogenic plants which are suitable as houseplants?

I have been wanting to supplement my heating system with some plants that produce heat! I have become aware that there are around 14 species which generate significant amounts of heat for example the ...
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2answers
63 views

Are all dead plant cells (that die to do a job), have secondary wall?

Can we say that all plant cells that die to do a job (they are dead now), like the outer cell surface of the root cap, have secondary cell wall?
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Tree with red samaras

This tree has red samaras. Location: Toronto Size: medium-sized tree Date: July 26th, 2020 What is it?
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Red flower with yellow star in center with fig-like leaves

This plant has red flowers with a yellow star in the center and has fig-like leaves. Location: Toronto Size: 4ft tall by 3ft wide Date: July 25th, 2020 What is it?
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35 views

Tree Identification - California Bay Area

I've seen these trees in the Bay Area in Mountain View and Fremont, and have been searching for different pine tree varieties that have wider canopies. Does anyone here know what trees these are, they ...
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70 views

What is the mass of carbon dioxide absorbed by an oak tree in one year?

I want to understand the environmental impact of oak trees due to absorption carbon dioxide. So my question is, what is the mass of carbon dioxide absorbed by an oak tree in one year?
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64 views

Plant with purple/white/yellow flower

This plant popped up as a volunteer in a flower box in Winnipeg, Manitoba. It is roughly 6-inches tall by 6-inches wide. What is it?
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In plant cells, is water stored only in the vacuole?

In the turgor of plant cells, is water stored only in the vacuole or can it be stored in the cytoplasm and the other cellular organs too?
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33 views

Why is this Cuscuta compacta purple?

I was recently browsing the web and came across this site abut the compact dodder. https://gobotany.nativeplanttrust.org/species/cuscuta/compacta/ The image used to identify the plant shows it as ...
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What causes the yellow and brown spots on our sour cherry tree?

So at the end of spring (maybe at the beginning of summer) our sour cherry tree started producing these yellowish/brownish spots on its leaves. Can you help me identify the couse of this? What can we ...

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