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The study of the form and internal structures of plants.
1
vote
Database or model for plant nutrient requirements with respect to soil and climate?
Not sure exactly what you're looking for, but I can at least suggest the following:
https://www.try-db.org/TryWeb/Home.php
TRY is a worldwide plant trait database providing free and open access to pla …
43
votes
Accepted
Are these microscopic star-like structures on a dead leaf some sort of organism? If so, whic...
These are stellate ("star-shaped") [and possibly peltate ("borne on a stalk")] hairs ("trichomes") of the leaf itself.
From Harris & Harris's (2001) ""Plant Identification Terminology: An Illustrated …
3
votes
Accepted
What are the main differences between tubers and taproots?
They are actually completely different plant parts: a taproot is the central root of a taproot-system plant while a tuber is an engorged modified underground stem called a rhizome.
A morphological an …
2
votes
Accepted
Is it normal for corn to have multiple ears in one place?
This is an example of "bouquet ears", or, what Rob Nielsen coined in his 1999 paper2 as "MESS Syndrome" (Multiple Ears on Same Shank).
Although not a regular occurrence, MESS syndrome is not unusual. …
1
vote
Accepted
When the leaf length ranges are given in a plant species' description, what do the numbers i...
Anytime you see this being used in terms of a range...
the numbers outside the parentheses represent the normal or expected range, and
the numbers inside the parentheses represent atypical extension …
8
votes
Accepted
What’s the Difference Between Grass and Sedge?
Short answer
Sedges have edges, and they're in different families.
See Minnesota Wildflowers for a great summary with images.
Long answer
Both are in the order Poales, but they are in different …
1
vote
Are there organisms that "branch more" near the leaf?
I can't say that your question is very clear to me, but perhaps something of interest to you would be a common type of inflorescence called an umbel. specifically, a compound umbel with associated umb …
5
votes
Accepted
What predates on cactus in the Atacama desert?
Short answer
This type of herbivory is probably from feral livestock, especially donkeys.
Long Answer
There is video footage of guanacos eating flowers off of cacti in the Atacama. For example, an ima …
3
votes
Accepted
How to tell petiole apart from stem?
Petioles typically have the presence of one or more of the following:
Stipule at base of the stalk
Axillary bud between the stalk base and attached stem
Leaf scar when removed
Source: Miami Univers …
14
votes
Accepted
Using anatomical terms for human organs and parts of plants
First, for reference, see here for a discussion about the difference in directional terms between bipeds and quadrupeds as well as a fairly complete explanation of word meanings/etymology.
The etym …
2
votes
Accepted
Is pith a ground tissue with no specialized function?
Short answer: it's not the greatest question.
Long Answer:
So there are three primary tissues in a plant: ground tissue, dermal tissue, and vascular tissue. See below for how they sort out:
Howev …
4
votes
Accepted
What's the difference between a simple and 1-foliolate (unifoliolate) leaf?
Short answer:
Look for a pulvinus at the leaf-stalk/leaf-lamina junction.
Long Answer:
So from a strictly anatomical identification standpoint, this can be a bit confusing.
According to "Plan …
3
votes
Accepted
Doubly-compound leaf examples?
Albizia julibrissin (Persian silk tree) is doubly compound (AKA bipinnate) and has a conspicuous pink/white fluffy flower. This tree is an Asian native, but it's a commonly cultivated (and equally com …