pencil yam
Pencil yam tuber (Vigna vexillata)
Pencil yam tuber is the firm, starchy underground tuber of Vigna vexillata, used as a cooked food with variable appearance, flavour and texture.
About Pencil yam tuber (Vigna vexillata)
Pencil yam tuber refers to the underground edible tuber of Vigna vexillata. The tuber is a firm, starchy storage organ, but size, shape, skin and flesh colour can vary. Its flavour and texture after cooking are not sufficiently uniform to characterize beyond that general description.
It is used as a cooked starchy food in places where the plant is gathered or cultivated. Preparation and local forms may differ, and the term does not specify whether the tuber is fresh, dried or processed; those distinctions should be retained when describing a particular product.
- Ingredient type
- whole food
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Local names for pencil yam tuber (vigna vexillata)
Names and romanised forms to recognise on menus and labels.
Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.
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Pencil yam tuber (Vigna vexillata) nutrition & diet
Pencil yam tuber (Vigna vexillata) nutritional value
Representative benchmark: Lentils, dried
Representative nutrition benchmarkOfficial table values for a comparable food category, not a laboratory measurement of this exact ingredient.
Per 100 g of 100 g edible portion in the named official reference form.
- Calories
- 346.7kcal
- Protein
- 26.2g
- Carbs
- 59.2g
- Fat
- 2.5g
Representative benchmark from a comparable official food-composition category; it is not a laboratory measurement of this exact ingredient. The displayed reference form must be considered, and species, cultivar, recipe, brand, processing and preparation can change values.
Compare the tuber in the same state of preparation: cooking, drying and removal of inedible portions can affect measured composition.
Dietary compatibility
- VeganNot established
- VegetarianNot established
- PescatarianNot established
- KetoNot established
- PaleoNot established
- Low-carbNot established
- HalalNot established
- KosherNot established
What these diet assessments mean
- Vegan · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Vegetarian · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Pescatarian · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Keto · Not established
- A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
- Paleo · Not established
- The ingredient form and processing have not been assessed against this dietary pattern.
- Low-carb · Not established
- A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
- Halal · Not established
- Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
- Kosher · Not established
- Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.
For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.
AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.
Sources & review
Nutrition reference: Danish Food Composition Database, Frida 5.5 (2025) — 681 ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.
Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.
The ingredient description and dish connections come from the draft catalogue and may change after review.
Last recorded verification: .