leaf
Let an agent handle leaves by plant, form, function, identification and use, with cautions about toxic plants.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Identification Which leaf.
Form
Shape and margin.
Form
Leaf form.
- What are the leaf shape, margin and venation? definition
- Simple or compound? definition
Plant
Species.
Plant
Plant species.
- Which plant does the leaf come from? provenance
- Is it confirmed by an expert or key? provenance
Function Biology.
Photosynthesis
Energy.
Photosynthesis
Photosynthesis.
- How does the leaf capture light and exchange gases? definition
- What adaptations does it show? definition
Plant health
Symptoms.
Plant health
Leaf symptoms.
- What do yellowing or spots on the leaf indicate? definition
- Should a plant health authority be told? boundary
Use Food and herbs.
Food
Edible leaves.
Food
Edible use.
- Is the leaf edible, and how is it prepared? boundary
- Could it be confused with a toxic plant? boundary
Tea and herbs
Infusions.
Tea
Infusions.
- Is the leaf used as tea or herb? definition
- Are there health warnings? boundary
Seasons Leaf fall.
Autumn
Colour and fall.
Autumn
Leaf fall.
- Why do leaves change colour and fall? definition
- When? measurement
Litter
Compost and safety.
Litter
Leaf litter.
- How can fallen leaves be composted? action
- How are slippery paths managed? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.LIV
- Other names and narrower kinds
- Cymbopogon citratus leaf, nettle leaf, beet, coffee leaf, bay leaf, honeysuckle leaves, daisy leaf, mint leaf, perilla leaf, Senna leaf, skeleton leaf, palm leaf
What it is Filled
The flattened, usually green organ of a vascular plant attached to the stem, specialised for photosynthesis and gas exchange; leaves of many plants are also used as food, herbs and tea.
Why it exists Filled
Let an agent handle leaves by plant, form, function, identification and use, with cautions about toxic plants.
Distinguishing features Filled
- Plant organ for photosynthesis
- Diverse shapes used in identification
- Deciduous or evergreen
- Some leaves are toxic
What robots and AI may and may not do Filled
Must not
- Advise eating leaves of a plant identified only from an image.
- Recommend leaf remedies as treatment for disease.
- Collect leaves of protected plants without permission.
Only with a human decision
- Spraying or removing plants because of leaf symptoms.
May
- Identify leaves and the plants they come from, stating confidence.
- Monitor leaves for disease, pests or stress for a grower who authorized it.
Moral aspects Filled
- Misidentified leaves can poison people and animals.
- Traditional plant knowledge belongs to the communities that hold it.
Who is affected
- Foragers and consumers
- Growers
- Plants and ecosystems
Owners Filled
Steward
Whoever owns the plant; protected species are under conservation authorities.
Links to other meta-models Filled
parent
- Q24060707 - registry parent class
related
- plant organ - category
- plant - whole
- photosynthesis - function
- herb and tea - uses
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.leaf
- Wikidata: Q33971 (https://www.wikidata.org/wiki/Q33971)
Direct properties required Filled
- blade length: millimetres to over 2 m - duckweed to palms
Recognition required Filled
- Shape, margin, venation and arrangement
- Simple or compound
- Culinary leaves such as bay or nettle
- Flat green blades on stalks, in countless shapes, sizes and arrangements.
Capabilities and actions required Filled
- identify plants from leaves
- harvest culinary leaves
- diagnose plant health from leaves
- compost fallen leaves
Hazards and failure modes required Filled
- Eating toxic leaves from misidentified plants
- Pesticide residues
- Slippery leaf litter on paths
Standards and interfaces required Filled
- Plant health rules for imported plant material
- Food safety rules for leafy produce
Context of use required Filled
- Photosynthesis and transpiration; for people, food, herbs, tea and medicine.
- simple leaves
- compound leaves
- needles and scales
- modified leaves such as spines and tendrils
- culinary and tea leaves
Sources Filled
- Wikidata item Q33971: leaf - identity and sense of the item
- Wikipedia: Leaf - general description of the item
Open questions
- Should leaf types be separate entries?
- How should culinary leaves be linked?
- How should identification keys be linked?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q33971/spec.json