Questions tagged [dendrology]

Dendrology or xylology is the study of wooded plants (trees, shrubs, and lianas) and the anatomy of wood (Wood anatomy or Xylotomy). Includes dendrochronology, i.e. deciphering environmental data in growth ring or any other type growth-records in wood .

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11
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2answers
15k views

Are these birch or aspen trees?

I was just wondering if anybody could help me identify the trees in this image? I am confused as to whether they are aspen or birch, a mix of the two, or whether the brown/reddish trees are some other ...
7
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2answers
766 views

Does anyone know the explanation for branches with different flower colors (see picture)?

As you can see in the below picture, there's a branch with white-colored flowers, while the rest of the tree has pink flowers. I googled a number of questions but it is a bit complicated to formulate ...
4
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3answers
14k views

Why don't the apples seeds from grafted trees produce the same kind of apples?

As Wikipedia says: Grafting is a horticultural technique whereby tissues from one plant are inserted into those of another so that the two sets of vascular tissues may join together. In most ...
4
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1answer
3k views

Is a Ginkgo tree a conifer?

I know Ginkgo is a gymnosperm, but I was wondering whether Ginkgo is also technically a conifer. I did a Google search, and found several confident authoritative-sounding answers. Unfortunately, those ...
4
votes
1answer
56 views

Is it unusual for populations of archaea to be found living inside trees?

The NPR News article and podcast Getting Fire From A Tree Without Burning The Wood begins with A scientist walks up to a cottonwood tree, sticks a hollow tube in the middle and then takes a lighter ...
2
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1answer
118 views

Is it possible for any impurities to get through the apple peel?

My parents always told me not to eat from the apple trees near the road, because some kind of bad toxic dirt might get through. This sounds to be physically possible but not really probable in my ...
2
votes
1answer
697 views

The biology behind tree pruning and hedge trimming

I read two contradictory arguments which both seem logical to me, related to the tree pruning and hedge trimming: You should prune/cut trees only outside the growing season, when the tree is "...
2
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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
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2answers
112 views

Thin layers or laminae that make up a single summer band in tree ring, what are they?

I took the photograph below of some tree rings. Each division on the ruler is 1 millimeter: Each tree ring (the areas between the pizza crusts) represents one seasons worth of growth. The growing ...
1
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1answer
52 views

Is it possible to estimate tree height from stump/breast diameter and species?

Kindly pardon my poor knowledge, my area of expertise is not biology. I am currently working on project where I have access to tree's stump and breast diameter and its species. We are trying to ...
1
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2answers
49 views

Is there any relationship between the height of a tree and the number of branches emerging from the main stem?

Is there any relationship between the height of a tree and the number of branches emerging from the main stem? I am particular interested in spruce or fir.
1
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1answer
49 views

Why are tree rings the same if rainfall is different from place to place?

I have looked at data from rain gauges and usually the rainfall levels are very different from place to even. Even in adjoining towns or townships the rainfall can exhibit much different patterns. ...
1
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0answers
32 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 ...
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0answers
24 views

what are the plants that has two scientific names? [closed]

6.Give at least 5 plants with two different scientific names but referring to one species. Common Name Scientific Name Family Name example. Balanti-bilog ...