plant stem
Let an agent explain plant stems by structure, function, types and modifications, and support gardening, propagation and plant identification.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain plant stems by structure, function, types and modifications, and support gardening, propagation and plant identification.
The main structural axis of a vascular plant that bears leaves, buds and flowers and conducts water, nutrients and sugars, either herbaceous or woody; modified stems include rhizomes such as galangal, tubers, stolons, corms, caudices and tillers of grasses.
What it is for: Support, transport and storage in plants.
It can be identify stem types and modifications; explain xylem and phloem transport; propagate plants from stem cuttings; recognise stem problems in plants.
Distinguishing features
Bears leaves and buds
Has nodes and internodes
Conducts water and sugars
Can store food
What it looks like
Green or woody axes with nodes, internodes, buds and leaves.
How it is recognised
Nodes and buds
Rhizomes and tubers as underground stems
Roots lack nodes and leaves
Related models
is a kind of - category
contains - tissues
includes - modified stem
is related to - woody plant
In practice
Families and kinds
herbaceous stems
woody stems
rhizomes and stolons
tubers and corms
tillers and caudices
Standards and regulation
Plant health rules for moving plant material
Failure modes and hazards
Stem rots and diseases
Spreading invasive plants from stem fragments
Sap irritation from some species
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Structure Anatomy.
Structure explains function.
Parts
Nodes and tissues.
Parts
Stem parts.
- What are nodes, internodes, xylem and phloem in this stem? definition
- How does woody growth differ? definition
Transport
Water and sugars.
Transport
Transport.
- How do stems move water up and sugars around the plant? definition
- What drives the flow? definition
Types Modifications.
Stems take many forms.
Underground
Rhizomes and tubers.
Underground
Underground stems.
- Is this structure a rhizome, tuber, corm or root? definition
- How can it be told apart? definition
Grasses
Tillers.
Grasses
Tillers.
- What are tillers in grasses and cereals? definition
- How do they affect yield? provenance
Gardening Propagation and care.
Stems can propagate plants.
Cuttings
Stem cuttings.
Cuttings
Stem cuttings.
- How can this plant be propagated from stem cuttings? action
- When is the best time? provenance
Problems
Stem damage.
Problems
Stem problems.
- What is causing this stem rot, canker or damage? definition
- What treatment do horticultural sources suggest? provenance
Safety Invasives and sap.
Some stems cause problems.
Invasive
Invasive plants.
Invasive
Invasive plants.
- Could stem fragments spread an invasive plant such as knotweed? boundary
- What disposal rules apply? provenance
Sap
Irritant sap.
Sap
Irritant sap.
- Does this plant have irritant or phototoxic sap? provenance
- What should be done after skin or eye contact? action
What the second pass must settle
- Should stem modifications be separate entries?
- How should botanical glossaries be linked?
- How should invasive species be linked?