← Back to catalogue
Published

Dahlia

vr.tr.dahlia · thing-q130918

Let an agent explain dahlias and their botany and cultivar groups, support growing, propagating and overwintering dahlias, describe shows and classification, and describe history and cultural significance.

Thing Registry Physical world and living systems PHY.LIV

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Understand What dahlias are.

Botany

Botany and origin.

Botany

Botany.

  1. What are dahlias botanically, and where do they originate? definition
  2. Which entry fits the daisy family? action

Groups

Cultivar groups.

Groups

Groups.

  1. How are dahlias classified into groups by flower form, and what distinguishes each group? provenance
  2. Which group or cultivar is meant? boundary
Grow Growing dahlias.

Cultivate

Planting and care.

Cultivate

Cultivation.

  1. How are dahlias planted, staked, fed, deadheaded and protected from pests? action
  2. Which entry fits garden pests? action

Overwinter

Propagation and overwintering.

Overwinter

Overwintering.

  1. How are dahlias propagated from tubers and cuttings, and how are tubers lifted and stored over winter? action
  2. Which entry fits plant propagation? action
Show Shows and cut flowers.

Shows

Shows.

Shows

Shows.

  1. How are dahlias judged at shows, and how are new cultivars registered? provenance
  2. Which entry fits horticultural shows? action

Cut

Cut flowers.

Cut

Cut flowers.

  1. How are dahlias grown and handled as cut flowers? provenance
  2. Which entry fits the cut flower trade? action
Learn History and culture.

History

History.

History

History.

  1. How were dahlias cultivated in Mexico, introduced to Europe and bred into modern cultivars? provenance
  2. Which references are standard? provenance

Culture

Cultural significance.

Culture

Culture.

  1. What is the significance of the dahlia as the national flower of Mexico and in gardening culture? provenance
  2. Which misconceptions arise? provenance

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.LIV
Other names and narrower kinds
Ball Dahlias, Cactus Dahlias, Collerette Dahlias, Decorative Dahlias, Group 7 Pompon, Group 9 Semi-cactus, Group 13 Double Orchid, Group 1 Single, Group 4 Waterlily, Group 10 Miscellaneous, Group 12 Single Orchid, Group 11 Fimbriated

What it is Filled

A genus of bushy, tuberous, herbaceous perennial plants native to Mexico and Central America, national flower of Mexico, cultivated worldwide for their showy flowers in thousands of cultivars classified by flower form into groups such as single, anemone, collerette, waterlily, decorative, ball, pompon, cactus and semi-cactus dahlias; dahlias are grown from tubers, flower from summer to frost, and are popular in gardens, cut flower production and competitive shows.

Why it exists Filled

Let an agent explain dahlias and their botany and cultivar groups, support growing, propagating and overwintering dahlias, describe shows and classification, and describe history and cultural significance.

Distinguishing features Filled

  • Tuberous roots
  • Cultivar groups by flower form
  • Mexican origin
  • Frost tender

What robots and AI may and may not do Filled

Must not

  • Recommend pest control products beyond what local rules allow or the label permits.
  • Sell or describe tubers under a cultivar name that is not verified.
  • Dig up or take dahlias from gardens or collections without the owner's consent.
  • Advise releasing cultivated plants into wild habitats.

Only with a human decision

  • Choosing chemical treatments in a garden shared with children, pets or pollinators.

May

  • Explain dahlia botany, cultivar groups and show classification.
  • Give general growing, propagating and overwintering guidance from horticultural sources.
  • Identify a dahlia's form group from a photograph, stating uncertainty.

Moral aspects Filled

  • The dahlia is Mexico's national flower; its origins and culture deserve acknowledgement.
  • Garden chemicals used against slugs and earwigs can harm wildlife and pets.

Who is affected

  • Gardeners and growers
  • Pollinators and garden wildlife
  • Breeders of named cultivars

Owners Filled

Steward

The gardener who grows it; a cultivar registration authority keeps the cultivar names.

Master systems

  • International dahlia cultivar register

Links to other meta-models Filled

parent

  • Q886167 - registry parent class

related

  • flowering plant - category
  • tracheophyte - vascular plants
  • trellis - supports used for tall dahlias
  • thaw - frost and thaw affecting tubers

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.dahlia
  • Wikidata: Q130918 (https://www.wikidata.org/wiki/Q130918)

Direct properties required Filled

  • Plant height: centimetres - Measure vertically from soil level to the highest living part, recording cultivar and growth stage.
  • Flower head diameter: centimetres - Measure across the widest part of a fully opened flower head, recording cultivar and flower form.
  • Tuberous root fresh mass: grams - Weigh an individual tuberous root after removing loose soil, recording its hydration and storage condition.

Recognition required Filled

  • Tuberous perennial with showy composite flowers
  • Single, decorative, ball, pompon, cactus and other forms
  • Chrysanthemums and zinnias are related but distinct genera
  • Bushy plants with large showy flower heads in many forms and colours.

Capabilities and actions required Filled

  • explain botany and groups
  • support cultivation
  • describe shows and classification
  • describe history

Hazards and failure modes required Filled

  • Tuber rot in storage
  • Pests such as slugs and earwigs
  • Frost damage

Standards and interfaces required Filled

  • Cultivar classification by dahlia societies
  • Plant health rules on tuber trade
  • Show judging standards

Context of use required Filled

  • Tuberous flowering plants of the genus Dahlia.
  • single and anemone dahlias
  • collerette and waterlily dahlias
  • decorative dahlias
  • ball and pompon dahlias
  • cactus and semi-cactus dahlias

Sources Filled

  1. Wikidata item Q130918: Dahlia - identity and sense of the item
  2. Wikipedia: Dahlia - general description of the item

Open questions

  • Should each cultivar group be a separate entry?
  • How should dahlia societies be linked?
  • How should cultivar registers be linked?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q130918/spec.json