biology

Viola hispida

Viola hispida is a biology 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 Viola hispida rather than just read about it. In short: Viola hispida is a plant species in the genus Viola. It is endemic in France, and more specifically in the Seine valley.

Key takeaways

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

Reference excerpt

Viola hispida is a plant species in the genus Viola. It is endemic in France, and more specifically in the Seine valley. It is known as the Violette de Cry ('violet of Cry', pronounced [kʁi], CREE) or Pensée de Cry ('pansy of Cry').

Description This biennial or perennial herb is not higher than 12 cm and has a glabrous stem. The stipule is cut and has an entire central lobe. Like all violets the flowers are zygomorphic. The petals are light violet. The spur is with six to seven millimetres larger than the calyx. The flowering period is from May to June. Viola cryana was a population described in 1878 by François-Xavier Gillot as an independent species, from a single locality in the French Department Yonne first reported in 1860. This collection was made on small limestone outcrops in the region of Cry southeast of Tonnerre, and accessions of this form remained in cultivation for some time. It is now no longer extant; the population at this location disappeared by 1930.

Ecology It is a species restricted in habitat to calcite-rich, rocky areas, and it is restricted in distribution to the valleys of the Seine and Andelle Rivers.

Conservation It is critically endangered. The number of individuals is declining and there are extreme fluctuations in the population.

References

Illustrations

Worked examples

Example 1 — a first encounter with Viola hispida

Start with the simplest possible case. Write down what Viola hispida claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Viola hispida 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 Viola hispida 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 Viola hispida

In research: Viola hispida appears in biology 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 Viola hispida 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: Viola hispida is common in secondary-school and first-year university syllabi. It links to neighbouring topics Flora of France, Habitats Directive species, IUCN Red List critically endangered species, so understanding it makes those chapters shorter.
In everyday life: Look for Viola hispida 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 Viola hispida in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Viola hispida 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 Viola hispida out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Viola hispida in simple terms?

Viola hispida is a plant species in the genus Viola. It is endemic in France, and more specifically in the Seine valley.

Why does Viola hispida matter?

Because it connects several biology 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 Viola hispida?

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 Viola hispida.