So plants very obviously have two axis. From stem to root and radialy from center to outside. But do they also have a third axis like animals, sinistro-dexter? Or is this completely irrelevant in plants? Are ther examples of plants with this extra axis? And how do they develop anyways?

I want to get more serious in my botanic endevours so I am looking for a book on german plants with identification keys and so on. I thought some people here might know of a sort of go to, gold standard, classic book to identify german plants with that has almost all species. Thanks!

Hi. I know that aluminum is toxic to plants, but at the same time it is part of clay soils and many others, including used in components for soils of domestic plants.

I found out that perlite contains aluminum, and because of this, many people "hate" it in the composition of soils for cultivation. But I also know that aluminum is very common in our world, it is almost everywhere. I understand that it can be harmful to humans, but how much perlite can have a real harmful effect on plants?

I also know that its effects depend on the pH of the soil, and that predators that usually grow in acidic soil + perlite are probably highly susceptible to it, but in my experience and the experience of other people in the thematic sections, I do not see plants showing symptoms characteristic of harm from aluminum.

Can plants successfully cope with aluminum due to some mechanisms? Can aluminum have any benefit or is it exceptionally "bad"?

For example, a hard winter squash like a butternut or acorn squash can last in perfect condition for 6+ months after harvest. This fruit is no longer connected to the squash vine but it is also not decomposing. So is it still considered to be alive or is there another term for this state of existence that is neither living/growing nor dead/decomposing?

What is the evolutionary purpose of “wings” on euonymous branches? Anyone know?

After a rainy day, how much of the rainwater is absorbed through the leaves? Or does the bulk of water absorption happen via the tree's roots? Any information helps. Thanks

Hello all,

Could anyone offer guidance on where I might upload a paper I’ve written about a plant I encountered in my university’s greenhouse? After researching the plant, I found very limited information available online. I’d like to make my paper accessible so others interested in this plant can find and utilize the information. Are there any recommended platforms or repositories for sharing this type of research?

(Note: As I am posting similar messages in other relevant subreddits, you may encounter similar inquiries if you participate in biology and chemistry-related subreddits.)

Recently, I came across James A. Peters' "Classic Paper in Genetics". Obviously it was a much more curated and professional selection but if you were to compile a list of the most significant and pertinent papers in Botanic, which ones would you select and why?

Hey there! New to r/botany.

Looking for good recommendations on online intro botany courses I can take...whether through an actual school or just a really good youtube series or textbook. For context, I am a hydrology field scientist with a National Forest in Wyoming, and REALLY want to learn more about riparian wetland plant species as they relate to stream and forest health. I have a background in Earth Sciences (think all the nonliving parts of ecosystems haha...rocks, climate, water, etc), but really want to learn more about plants. I've participated in plant identification workshops, but have been mostly lost as I don't know the first thing when it comes to plant anatomy, which is why I think an intro botany course would be helpful.

I've been wondering if there's any and I mean at least 1 of them that grows like a tree, I've got quite a few that are herbacious and little shrubs but no other type, that's my lil question

Hi :) I had kept an acorn as a momento from a previous relationship. I was studying it again recently and noticed something rattling inside. I decided to crack it open and it had what looked like a raisin inside, i.e. a shrivelled small fruit of some kind. I've looked up acorn seeds online and nothing that looks alike to it has come up. I had this acorn in a box for approx. 2 years.

Can someone educate me please? :)

Currently growing hundreds of poinsettia's, however, I noticed that two pots had different looks to them although they are the same variety. The plants shown should both be Euphorbia pulcherrima 'Superba Glitter'. However one seems to almost have reverted or is appearing more like 'Golden Glo'.

All conditions should have been near identical as they're grown in the greenhouse that's apart of the Horticulture program I am taking. I asked my teacher however he was unsure.

I’m about to cry it is so perfect

Hi, apologies because I don't have before and after pics.

One of my propagation jars was incredibly algae filled and has been for a long while. I was busy finding a job and a new place to live and just let it be.

During the move a couple plants got damaged, including my mother spider plant. I put the biggest baby spider plant in that prop jar hoping it would get some roots as I didn't have any others going at that moment.

I'm not sure how soon after putting it in there I noticed it was sparkling clean and clear. Somewhere between a few days and a week.

I can't seem to find anything about spider plants being able to do this online, but I may not be using the right words to search.

Can anyone explain why they do this? Or if this just a random thing that happened?

Thank you!

I’m seeing that younger trees were able to grow well while submerged, but once they get to a certain size, they die and fall over. Does anyone know why this might be? In other areas of the wetland where there is only seasonal flooding, these trees don’t have this happening.

So is a seed basically the egg yolk?

Hey everyone!

I need to start to work on creating a herbarium for my Systematics Botany exam at university and I could really use some advice since i have no idea where to start. Does anyone have experience with the process? I’d love to hear your tips on the best techniques for pressing and preserving plants, as well as any suggestions for choosing, collecting and organizing the specimens. Professor said we need to present at least a dozen different species in the herbarium and discuss them at the exam.

What tools or materials should I definitely have for a good-quality herbarium? And if you have any recommendations for identifying, labeling, or keeping the plants in top condition over time, that would be awesome!

Looking forward to any advice you can share. Thanks a lot!

I'm exploring the literature for my undegrad thesis, trying to wrap my head around why there is debate as to whether adventitious roots of Canada thistle can be considered rhizomes or not.

The literature is full of mentions of rhizomes. The definition seems fitting : "a continuously growing horizontal underground stem which puts out lateral shoots and adventitious roots at intervals."

But according to William W. Donald who wrote an extensive review on the plant (1994): "Canada thistle does not form rhizomes" citing his own experience and confusingly, Moore, 1975, who definitely does call it a rhizome, I quote "The shoots that arise from the horizontal roots and form aerial shoots are rhizomes.".

Donald writes, citing other studies, "Thickened, propagative Canada thistle roots with adventitious root buds grow horizontally and vertically. [...] An adventitious root bud is a "shoot-forming bud originating on a root" which is defined as "a bud arising outside of normal morphogenetic sequence, and lacking connection with the shoot or root poles. (It) may give rise to an adventitious shoot." Root buds form adventitiously on Canada thistle roots."

So which is it. Does Canada thistle form rhizomes, or not?

How do the plants actually get ahold of the nutrients that they need? Do they suck up individual clay particles with their water to use, or what?

I get that most of a plant is cellulose, so just chemistry based upon water from the roots, and O2, and CO2.

But I do not understand how they get all the other stuff they need.

This beast of a maple leaf. Quarter for reference.

Im sure this is normal, but thought I'd share this with the world.

IDK if I have any or not but... I somehow grew a double flower? Is this a common thing?

If I planted 50 avocado seeds a week in zone 8a, what are the odds one or two would adapt to the conditions? North West Georgia

Hi all! I'm wondering if there is any way for an amateur plant grower to make or acquire a substance to grow plants in which allows you to non destructively study root patterns.

My first thought was that an agar with nutrients could work, but I'm mostly wondering about succulents, and I feel like that wouldn't be conducive to the plant. Any thoughts?

Someone told me that we genetically modified them to be high in vitamin A to address malnutrition in certain parts of the world. Is true my mind is blown. Did we edit ALL of our crops?

Recently gained interest in plant taxonomy. Any book/resource recommendations to learn about it thoroughly?