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Stenomesseae

Stenomesseae 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 Stenomesseae rather than just read about it. In short: Stenomesseae was a tribe (in the family Amaryllidaceae, subfamily Amaryllidoideae), where it forms part of the Andean clade, one of two American clades. The tribe was originally described by Traub in his monograph on the Amaryllidaceae in 1963, as Stenomessae based on the type genus Stenomesson.

Key takeaways

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

Reference excerpt

Stenomesseae was a tribe (in the family Amaryllidaceae, subfamily Amaryllidoideae), where it forms part of the Andean clade, one of two American clades. The tribe was originally described by Traub in his monograph on the Amaryllidaceae in 1963, as Stenomessae based on the type genus Stenomesson. In 1995 it was recognised that Eustephieae was a distinct group separate from the other Stenomesseae. Subsequently, the Müller-Doblies' (1996) divided tribe Eustephieae into two subtribes, Stenomessinae and Eustephiinae. The advent of molecular phylogenetics showed that the Stemomesseae (including Stenomesson) was polyphyletic. Consequently, a separate tribe (Clinantheae) was created from one group and the remainder, which segregated with Eucharideae was treated as another tribe. Initially it was suggested that this combined tribe be referred to as a newly circumscribed Stenomesseae, but subsequently the term Eucharideae has been conserved.

Taxonomy

Phylogeny The placement of Stenomesseae, now Eucharideae within subfamily Amaryllidoideae is shown in the following cladogram.

References

Bibliography

External links

Worked examples

Example 1 — a first encounter with Stenomesseae

Start with the simplest possible case. Write down what Stenomesseae 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 Stenomesseae 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 Stenomesseae 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 Stenomesseae

In research
Stenomesseae 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 Stenomesseae 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
Stenomesseae is common in secondary-school and first-year university syllabi. It links to neighbouring topics Amaryllidoideae, Asparagales tribes, Historically recognized angiosperm taxa, so understanding it makes those chapters shorter.
In everyday life
Look for Stenomesseae 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 Stenomesseae in 20 minutes

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

Frequently asked questions

What is Stenomesseae in simple terms?

Stenomesseae was a tribe (in the family Amaryllidaceae, subfamily Amaryllidoideae), where it forms part of the Andean clade, one of two American clades. The tribe was originally described by Traub in his monograph on the Amaryllidaceae in 1963, as Stenomessae based on the type genus Stenomesson.

Why does Stenomesseae 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 Stenomesseae?

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 Stenomesseae.

Tags

  • Amaryllidoideae
  • Asparagales tribes
  • Historically recognized angiosperm taxa

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