Questions tagged [trees]

Common classification for perennial plants with woody, elongated stems.

39 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
8
votes
1answer
847 views

Squirrel nest construction

I've often wondered how squirrels -- specifically, eastern grey squirrels (Sciurus carolinensis) make their nests. Specifically, I've been curious about how they "weave" everything together to make ...
4
votes
0answers
113 views

What is the name of this South India plant?

Location: South India. Month: June. Branches of the tree: Lower part of the Plant: Plant's leaf: Whole plant:
4
votes
0answers
184 views

Can someone identify this tree?

It appears to be a kind of fig tree (perhaps similar to the fiddle leaf fig tree but without the fiddle?), although the leaf shape doesn't match. It didn't seem very appealing to eat (!), it was ...
4
votes
0answers
90 views

Do ginko trees grow well in Eastern North America (specifically Ontario,Canada)

I have recently noticed many Ginko (Ginko biloba) saplings planted in my Eastern Ontario city (in Canada), and they are looking a bit sickly, with yellow leaves. They seem to be a popular choice in ...
3
votes
0answers
81 views

Identify this tree from Nepal

This is a picture of a tree in Nepal. Can somebody identify it?
3
votes
0answers
49 views

Please help ID this plant

Can anyone please identify this plant and confirm if the species is Synsepalum dulcificum (Miracle fruit)? Pics were taken near my house in Bangalore. Because the miracle fruit plant is not native to ...
3
votes
0answers
151 views

How did fig tree take root in trunk of palm tree?

Please see pictures below. I never saw anything like this. Do the roots of the fig tree penetrate the trunk of the palm tree? Is there a symbiotic relationship between the two?
3
votes
0answers
48 views

Names for the degrees for symptoms from drought (or other damage) done to trees

Looking out my window, I see trees suffering from drought. I once knew the name for the degrees visible, but I have forgotten and can't find it on the net. Attempt at describing "level of dryness" ...
3
votes
1answer
305 views

Identifying a weird Texas tree

I recently saw this tree in Texas, with many bees on it. I think it attracts bees. However it didn't have any specific smell, so I don't know why there were so many bees (they were bee for sure). I ...
3
votes
1answer
553 views

What is the name of this whorled-leaf tree in India?

Location: South India Month: June Season: Rainy Branch Distribution: Leaf of the tree:
2
votes
0answers
41 views

Folded stem on apples - does it have a name?

I have some Newton Wonder apple trees. One feature of the apples it bears is that the flesh around the stalk is occasionally elongated out of the calyx. Below is a picture that shows this on the near ...
2
votes
0answers
35 views

Winter is getting shorter and warmer. Does this mean deciduous trees can photosynthesise for longer and thus absorb more carbon dioxide?

As springtime is starting earlier this year, I wondered if that would mean deciduous trees had more time to photosynthesise and, therefore, they could absorb more CO2 or have longer periods to grow, ...
2
votes
0answers
20 views

Why do autumn leaves on the eastern sides of trees change and fall before the western leaves?

I've noticed that for the autumn leaves in my area (Great Lakes region of United States), if a tree's leaves are changing or falling asymmetrically, they almost always change first on the East-facing ...
2
votes
0answers
48 views

Are trees still carrying their leaves more likely to be felled by an autumn storm?

Is there evidence that trees still carrying their leaves are more likely to be felled by an autumn storm than trees already having lost their leaves? At first sight this seems plausible (and might be ...
2
votes
0answers
96 views

Flora of Ice Age Europe

I'm trying to get a very in-depth idea of the ecosystem of Pleistocene Europe, somewhere around 40,000 years ago, and I can't seem to find what types of foliage (other than the obvious grasses and ...
2
votes
0answers
48 views

What species of tree is this?

We have this cute little tree in our front yard (Denver CO): Unfortunately we have to get our water main replaced and this tree lies right in the path of destruction. Anybody know what species it is? ...
2
votes
0answers
319 views

What is the difference between stomata in evergreen broadleaf trees and deciduous broadleaf trees?

They must have some difference in their stomatal density /whether they are hypostomatous or amphistomatous/whatever, mustn't they?
2
votes
0answers
275 views

Do evergreen trees have higher densities of stomata to compensate for retaining leaves?

According to literature (Walls-Thumma), evergreen trees have less stomata on their leaves (than deciduous trees) to limit water evaporation. Does this mean they have less less stomata in total, or do ...
1
vote
0answers
31 views

Spatial sequence of autumn leave colouring: top to bottom

Leave colours on trees seem to vary on the same tree from top to bottom. Leaves higher up are already further ahead in the shedding process. What's the reason for this tempero-spatial gradient?
1
vote
0answers
34 views

How many plants or trees should one plant to take carbon dioxide from atmosphere?

I'm interested on computing things. I know that some biologists have done mathematical modelling. Has anyone took any calculations on the following? How many trees or plants should one plant such ...
1
vote
0answers
32 views

Are there any evolutionary reasons for the different tree shapes? If so, What are they?

So we know there are a thousand types of trees with different shapes. We have Columnar shaped trees: Pyramidal or Conical shaped trees: Weeping shaped trees: And we also have Round, Vased, Open-...
1
vote
0answers
21 views

Near-zero water loss in a closed hydroponics system?

I know there are a lot of factors that would impact this... Plant type. Plant neediness (i.e., even sibling plants will possess different needs, defects, etc). Automation efficiency. Water & ...
1
vote
0answers
55 views

Fruiting of trees — environmental stimuli and biochemical cascades

My question concerns fruiting of trees in general. However, I live in a tropical country (Philippines) where mango trees are ubiquitous, so I'll use it in stating my question. The question is about >...
1
vote
0answers
33 views

How long does it take to extract a tree core for dendrochronological analysis

I'm going to do research in the tropics and am considering using tree cores for part of my analysis. However, for my planning: How long does it take on average to extract a tree core of a tree with ...
1
vote
0answers
693 views

What is the name of this green berry tree?

Location: South India Month: May Location: Outside, Metropolitan. Tree with berry fruits (poisonous or not, I don't know): Its leaves:
1
vote
0answers
56 views

What is this plant & it looks like USA tree “ Carya ovata”?

I saw this tree in India. It was so fascinating because its leaf looks like Carya ovata, which only grows in the USA & Canada according to Wikipedia: Carya ovata, the shagbark hickory, is a ...
1
vote
0answers
48 views

Which is better adapted for global warming: deciduous or evergreen trees?

Evergreen photosynthesise for longer and don't lose their leaves all at once, whereas deciduous plants do and enter periods of hibernation during winter, among other differences (correct me if I am ...
1
vote
0answers
51 views

Calculating the canopy size (crown) of a newly planted tree at a future date

Assuming that one knows the maximum area of the canopy and the age of the tree when it achieves this. And given an initial canopy size from the nursery. How would I calculate the canopy size at a ...
0
votes
0answers
17 views

Book recommendations on the evolution of trees

Trees have been around for hundreds of millions of years, since the first "true wood" evolved during the Devonian period ~400M years ago. This means we have fossilized wood in the form of tree ferns, ...
0
votes
0answers
17 views

Evolution and survivability of palm-like plants

I live in a place filled with palm trees. I’ve been wondering for some time now, that if I lobbed off the top of a palm tree, that if the palm would regrow from another new branch? Would the palm die? ...
0
votes
0answers
5 views

Young sourwood trees vs Carolina Silverbel

I’m looking for a good way to distinguish young Carolina Silverbell trees from young sourwood trees. Suggestions?
0
votes
0answers
18 views

What is the total mass of leaves on an 'average' mid-latitude deciduous tree?

I know that this is a broad question as there are a very large number of different species of tree with all manner of profiles, height, leaf sizes, etc. My ultimate goal is to estimate the total mass ...
0
votes
0answers
18 views

Are Pando older than 80,000 years?

When you look info for Pando trees, you usually find that the clonal colony is about 80,000 years old. But here, List of oldest trees there is a reference to a book which states the age to (possibly ...
0
votes
0answers
61 views

What does banyan tree release from roots?

What happens when banyan tree roots pierce and joins in to the water in a river beside. Does banyan tree roots excrete any waste? If so, when will that happen night or morning ? What properties do ...
0
votes
0answers
15 views

Why Populus Nigra does not grow in Israel?

What are the obstacles for Populus Nigra? It, especially the pyramidalis (Italian) variety is considered quite Southern plant in Russia.
0
votes
0answers
55 views

Why oldest trees are all around 4k years old?

In christianity stackexchange I saw someone discussing young earth creationism. One of the evidence they show is that the oldest tree, if measured by ring counts, are around 4k years. Which, ...
0
votes
0answers
52 views

Few deciduous trees in old forest

There is an old forest near me that has lain untouched for at least 150 years and possibly longer. The forest is on a big hill which is surrounded by a marsh. The great majority of trees in the ...
-1
votes
0answers
13 views

Tree with details very small foliage

I found this tree with its very small foliage. what tree would it be? [enter image description here] I living from São Paulo - Brazil!! (https://i.stack.imgur.com/xHhqu.jpg)
-2
votes
0answers
30 views

What is maximum growth rate possible for tree if we could genetically modified it?

If we genetically modified tree to have it grow as fast as possible and consume carbon mass as much as possible. I want to know the uppermost limit for it to grow in each year around the tropical area ...