science

Passiflora quadrangularis

Passiflora quadrangularis is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Passiflora quadrangularis rather than just read about it. In short: Passiflora quadrangularis, the giant granadilla, barbadine (Trinidad), grenadine (Haiti), giant tumbo or badea (Spanish pronunciation: [baˈðe.a]), is a species of plant in the family Passifloraceae. It produces the largest fruit of any species within the genus Passiflora.

Key takeaways

Passiflora quadrangularis belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Passiflora quadrangularis to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Passiflora quadrangularis from memory before moving on to harder problems.

Reference excerpt

Passiflora quadrangularis, the giant granadilla, barbadine (Trinidad), grenadine (Haiti), giant tumbo or badea (Spanish pronunciation: [baˈðe.a]), is a species of plant in the family Passifloraceae. It produces the largest fruit of any species within the genus Passiflora. It is a perennial climber native to the Neotropics.

Description

It is a vigorous, tender evergreen perennial climber with nodding red flowers, each surrounded by white and purple filaments. It has smooth, cordate, ovate or acuminate leaves; petioles bearing from 4 to 6 glands; an emetic and narcotic root; scented flowers; and a large, oblong fruit, up to 12 inches (30 cm) in length. containing numerous seeds, embedded in a subacid edible pulp.

Uses The badea is sometimes grown in greenhouses. The fruits of several other species of Passiflora are eaten. P. laurifolia is the water lemon and P. maliformis the sweet calabash of the West Indies. The fruit juice of the badea is used as a beverage. In some parts of Sri Lanka the fruit, where it is known as ටං ටිං ([tʌŋ tIŋ]), රට පුහුල් or ටුං ටුං, is cooked as a vegetable curry, and the seeds are consumed as a snack or used to extract juice. A tea is made from the leaves which is used for high blood pressure and diabetes. A drink and ice-cream are made from the fruit.

Ornamental Passiflora quadrangularis is also grown as an ornamental. Requiring a minimum temperature of 8 °C (46 °F), in temperate zones it must be grown under glass. It has gained the Royal Horticultural Society's Award of Garden Merit.

See also Passiflora maliformis (Sweet calabash) Passiflora laurifolia (Water lemon) Passiflora foetida (Wild water lemon or stinking passion flower)

References

Gallery

External links

Mendes, John. (1986). Cote ce Cote la: Trinidad & Tobago Dictionary. Arima, Trinidad.

Illustrations

Worked examples

Example 1 — a first encounter with Passiflora quadrangularis

Start with the simplest possible case. Write down what Passiflora quadrangularis claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Passiflora quadrangularis before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Passiflora quadrangularis ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Passiflora quadrangularis

In research: Passiflora quadrangularis appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Passiflora quadrangularis in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Passiflora quadrangularis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Botanical taxa named by Carl Linnaeus, Flora of Central America, Flora of Northern America, so understanding it makes those chapters shorter.
In everyday life: Look for Passiflora quadrangularis outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Passiflora quadrangularis in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Passiflora quadrangularis means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Passiflora quadrangularis out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Passiflora quadrangularis in simple terms?

Why does Passiflora quadrangularis matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Passiflora quadrangularis?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Passiflora quadrangularis.