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Mirabilis longiflora

Mirabilis longiflora 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 Mirabilis longiflora rather than just read about it. In short: Mirabilis longiflora, also known as the sweet four o'clock or the long-flowered four o'Clock, is a species of flowering plant native to the southwestern United States and northern Mexico. The flowers open in the late afternoon and bloom through the night, hence the name.

Mirabilis longiflora — main illustration
Mirabilis longiflora — illustration

Key takeaways

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

Reference excerpt

Mirabilis longiflora, also known as the sweet four o'clock or the long-flowered four o'Clock, is a species of flowering plant native to the southwestern United States and northern Mexico. The flowers open in the late afternoon and bloom through the night, hence the name.

Description

It is a herbaceous, tender perennial species that grows up to 150 cm high (5 feet). It has upright, thin stems that branch densely from the base. Petiolate leaves between 6 and 11.5 cm long and 3 to 7 cm wide in ovate or lanceo-ovate shape, bright green in color.

Inflorescences The inflorescences are terminal or axillary, very compact, with linear and foliar bracts. The involvements are bell-shaped, 1 to 1.5 cm long, with unequal triangular or slightly lanceolate lobes. The flower has a perianth 8 to 17 cm long, 5 stamens, brush-shaped stigma. The fruit is an elliptical or oblong dark-colored achene about 8 mm long by 5 mm wide. Flower colour is white to pinkish with a reddish or purplish throat. This species is a nocturnal flowerer, whose long, narrow, strongly-scented, tubular flowers (approaching 17 centimeters in maximum length) exhale a fragrant aroma at nights.

Distribution and habitat Native to southwestern United States, from Arizona to Texas and northern Mexico, it is found in scrubby canyons and riverbanks.

Gallery

References

Illustrations

Mirabilis longiflora illustration
Mirabilis longiflora: Flowers
Flowers
Mirabilis longiflora illustration
Mirabilis longiflora illustration
Mirabilis longiflora illustration

Worked examples

Example 1 — a first encounter with Mirabilis longiflora

Start with the simplest possible case. Write down what Mirabilis longiflora 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 Mirabilis longiflora 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 Mirabilis longiflora 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 Mirabilis longiflora

In research
Mirabilis longiflora 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 Mirabilis longiflora 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
Mirabilis longiflora is common in secondary-school and first-year university syllabi. It links to neighbouring topics Botanical taxa named by Carl Linnaeus, Flora of Arizona, Flora of Mexico, so understanding it makes those chapters shorter.
In everyday life
Look for Mirabilis longiflora 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 Mirabilis longiflora in 20 minutes

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

Frequently asked questions

What is Mirabilis longiflora in simple terms?

Mirabilis longiflora, also known as the sweet four o'clock or the long-flowered four o'Clock, is a species of flowering plant native to the southwestern United States and northern Mexico. The flowers open in the late afternoon and bloom through the night, hence the name.

Why does Mirabilis longiflora 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 Mirabilis longiflora?

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 Mirabilis longiflora.

Tags

  • Botanical taxa named by Carl Linnaeus
  • Flora of Arizona
  • Flora of Mexico
  • Flora of Northwestern Mexico
  • Flora of Texas
  • Garden plants of North America
  • Mirabilis (plant)
  • Night-blooming plants

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