{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.onion","code":"thing-q23485","url":"https://ver.cy/models/thing/q23485/","name":"onion","alternateNames":["Cipolla bianca di Chioggia PAT","onion of Cavasso Nuovo","Höri-Bülle","cipolla rossa di Acquaviva delle Fonti","Cipolla Rossa di Tropea Calabria PGI","Cipollotto Nocerino PDO","Red Baron"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A widely cultivated bulb vegetable of the genus Allium, grown in many varieties from white, yellow and red bulb onions to spring onions and regional protected varieties such as the red onion of Tropea or the white onion of Chioggia, used raw, cooked and preserved in cuisines worldwide; onions are among the most produced vegetables, are stored and traded globally, and are studied for their chemistry, including the compounds that cause tearing.","purpose":"Let an agent explain onions as plants and vegetables, describe varieties including protected regional ones, support growing, storing and cooking, and describe nutrition and history.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Bulb vegetable","Many varieties","Global staple","Sulfur chemistry"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"The onion plant.","layers":[{"id":"plant","name":"Plant","description":"Plant and varieties.","findings":[{"id":"plant-finding","name":"Plant","description":"Plant.","questions":[{"text":"What is the botany of the onion, and how do yellow, red, white, sweet and spring onion varieties differ?","kind":"definition"},{"text":"Which entry fits a specific variety?","kind":"action"}]}]},{"id":"protected","name":"Protected","description":"Protected varieties.","findings":[{"id":"protected-finding","name":"Protected","description":"Protected.","questions":[{"text":"Which regional onions such as those of Tropea, Chioggia or Cavasso Nuovo carry protected designations, and what defines them?","kind":"provenance"},{"text":"Which entry fits protected designations?","kind":"action"}]}]}]},{"id":"grow","name":"Grow","description":"Growing and storing.","layers":[{"id":"cultivate","name":"Cultivate","description":"Growing onions.","findings":[{"id":"cultivate-finding","name":"Cultivate","description":"Cultivation.","questions":[{"text":"How are onions grown from seed or sets, and what pests and diseases affect them?","kind":"provenance"},{"text":"Which entry fits plant disease?","kind":"action"}]}]},{"id":"store","name":"Store","description":"Storage.","findings":[{"id":"store-finding","name":"Store","description":"Storage.","questions":[{"text":"How are onions cured and stored to prevent rot and sprouting?","kind":"action"},{"text":"How does the global onion trade work?","kind":"provenance"}]}]}]},{"id":"cook","name":"Cook","description":"Cooking and nutrition.","layers":[{"id":"cooking","name":"Cooking","description":"Cooking with onions.","findings":[{"id":"cooking-finding","name":"Cooking","description":"Cooking.","questions":[{"text":"How are onions used raw, cooked and preserved in cuisines, and why do they cause tearing?","kind":"definition"},{"text":"Which entry fits a specific dish?","kind":"action"}]}]},{"id":"nutrition","name":"Nutrition","description":"Nutrition and safety.","findings":[{"id":"nutrition-finding","name":"Nutrition","description":"Nutrition.","questions":[{"text":"What do nutrition sources say about onions, and why are they toxic to dogs and cats?","kind":"provenance"},{"text":"Is a pet poisoning emergency present, needing a veterinarian?","kind":"boundary"}]}]}]},{"id":"learn","name":"Learn","description":"History and culture.","layers":[{"id":"history","name":"History","description":"History of the onion.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How was the onion domesticated and spread, according to historians and archaeobotanists?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"culture","name":"Culture","description":"Onions in culture.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How do onions appear in folklore, festivals and language?","kind":"provenance"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Advise on growing, storing and cooking onions.","Report the variety and origin of onions, including protected designations."],"mustNot":["Feed onion to dogs, cats or other animals for which it is toxic.","Mislabel ordinary onions as protected regional varieties.","Sell sprouted or rotten onions as fresh."],"requiresHuman":["Discarding a stored crop."]},"ethics":{"considerations":["Protected designations protect the livelihoods of regional growers."],"affectedParties":["Growers","Consumers","Pets"]},"owners":{"steward":"The grower; the buyer once sold.","roles":[],"masterSystems":["Protected designation of origin registers"]},"relations":[{"target":"Q11992872","type":"parent","note":"registry parent class"},{"target":"useful plant","type":"related","note":"category"},{"target":"maize","type":"related","note":"another crop entry"},{"target":"sausage","type":"related","note":"a dish ingredient"},{"target":"vegetation","type":"related","note":"crop vegetation"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.onion","Wikidata: Q23485 (https://www.wikidata.org/wiki/Q23485)"]},"properties":{"applicability":"required","items":["Bulb diameter:  millimetres - Measure the widest transverse diameter of the bulb, recording cultivar and maturity.","Bulb fresh mass:  grams - Weigh the harvested bulb and record whether roots, leaves and loose outer skins were removed.","Plant height:  centimetres - Measure from soil level to the highest plant part and record whether a flowering stalk is present."]},"recognition":{"applicability":"required","items":["Layered Allium bulb","White, yellow, red and spring types","Shallots, leeks and garlic are related but distinct","A layered bulb with papery skin, in white, yellow or red."]},"capabilities":{"applicability":"required","items":["explain plant and varieties","support growing and storing","support cooking","describe nutrition and history"]},"hazards":{"applicability":"required","items":["Storage rot and sprouting","Crop diseases","Toxicity to dogs and cats"]},"interfaces":{"applicability":"required","items":["Protected designation of origin rules for regional varieties","Seed and plant health regulations","Grading and marketing standards"]},"context":{"applicability":"required","items":["A bulb vegetable.","yellow and brown bulb onions","red onions","white and sweet onions","spring onions and scallions","protected regional varieties"]}},"sources":[{"title":"Wikidata item Q23485: onion","url":"https://www.wikidata.org/wiki/Q23485","note":"identity and sense of the item"},{"title":"Wikipedia: Onion","url":"https://en.wikipedia.org/wiki/Onion","note":"general description of the item"}],"openQuestions":["Should each protected variety be a separate entry?","How should agronomic guidance be linked?","How should recipes be linked?"],"resources":{"spec":"/models/things/publications/thing-q23485/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q23485/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T00:23:59Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}