biology

Solandra

Solandra 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 Solandra rather than just read about it. In short: Solandra is a genus of flowering plants in the nightshade family, Solanaceae. It is named after the Swedish naturalist Daniel C.

Key takeaways

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

Reference excerpt

Solandra is a genus of flowering plants in the nightshade family, Solanaceae. It is named after the Swedish naturalist Daniel C. Solander. The vines it contains are commonly known as chalice vines and are native to the Caribbean, Mexico and South America. They have very large flowers and glossy foliage. They are also called Cup of Gold. Solandra grandiflora was once (and likely still is) used by the Huichol of Mexico and other tribes of the region where it is known by the name "kieli" or "kieri" with some archaeological evidence supporting the theory that its use as a hallucinogen predates that of peyote (Lophophora williamsii). A tea from the branches and more so from the roots and fruits is used as an inebriant in native traditions. The alkaloids present include atropine, noratropine, hyoscyamine, and tropine with about 0.15% overall content in the leaves. In all ten species are recognized:

Solandra boliviana Solandra brachycalyx Solandra brevicalyx Solandra grandiflora Solandra guerrerensis Solandra guttata Solandra longiflora Solandra maxima Solandra nizandensis Solandra paraensis

Selected species

References

External links Media related to Solandra at Wikimedia Commons Data related to Solandra at Wikispecies

Solandra longiflora from Ecuador 2013 USDA GRIN database: Solandra

Illustrations

Worked examples

Example 1 — a first encounter with Solandra

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

In research: Solandra 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 Solandra 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: Solandra is common in secondary-school and first-year university syllabi. It links to neighbouring topics Solanaceae genera, Solanoideae, Taxa named by Olof Swartz, so understanding it makes those chapters shorter.
In everyday life: Look for Solandra 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Solandra in 20 minutes

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

Frequently asked questions

What is Solandra in simple terms?

Solandra is a genus of flowering plants in the nightshade family, Solanaceae. It is named after the Swedish naturalist Daniel C.

Why does Solandra 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 Solandra?

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 Solandra.