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Published

leaf

vr.tr.leaf · thing-q33971

Let an agent handle leaves by plant, form, function, identification and use, with cautions about toxic plants.

Thing Registry Physical world and living systems PHY.LIV

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Identification Which leaf.

Form

Shape and margin.

Form

Leaf form.

  1. What are the leaf shape, margin and venation? definition
  2. Simple or compound? definition

Plant

Species.

Plant

Plant species.

  1. Which plant does the leaf come from? provenance
  2. Is it confirmed by an expert or key? provenance
Function Biology.

Photosynthesis

Energy.

Photosynthesis

Photosynthesis.

  1. How does the leaf capture light and exchange gases? definition
  2. What adaptations does it show? definition

Plant health

Symptoms.

Plant health

Leaf symptoms.

  1. What do yellowing or spots on the leaf indicate? definition
  2. Should a plant health authority be told? boundary
Use Food and herbs.

Food

Edible leaves.

Food

Edible use.

  1. Is the leaf edible, and how is it prepared? boundary
  2. Could it be confused with a toxic plant? boundary

Tea and herbs

Infusions.

Tea

Infusions.

  1. Is the leaf used as tea or herb? definition
  2. Are there health warnings? boundary
Seasons Leaf fall.

Autumn

Colour and fall.

Autumn

Leaf fall.

  1. Why do leaves change colour and fall? definition
  2. When? measurement

Litter

Compost and safety.

Litter

Leaf litter.

  1. How can fallen leaves be composted? action
  2. 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

  1. Wikidata item Q33971: leaf - identity and sense of the item
  2. 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