biology

Saxegothaea

Saxegothaea 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 Saxegothaea rather than just read about it. In short: Saxegothaea is a genus comprising a single species, Saxegothaea conspicua. It is a conifer in the podocarp family Podocarpaceae, native to southern South America.

Key takeaways

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

Reference excerpt

Saxegothaea is a genus comprising a single species, Saxegothaea conspicua. It is a conifer in the podocarp family Podocarpaceae, native to southern South America. It grows in Chile and Argentina from 35° to 46° South latitude; in its northernmost natural distribution it grows between 800 and 1000 (2600–3300 ft) m above sea level and in the south it lives at sea level. The species is most often known by its genus name, or sometimes as female maniu (a translation of its name in Spanish) and Prince Albert's yew; in South America it is known as mañío hembra or maniú hembra. The genus name of Saxegothaea is in honour of Franz August Carl Albert Emanuel von Sachsen-Coburg und Gotha (1819–1861), who was the consort of Queen Victoria from their marriage on 10 February 1840 until his death in 1861. Lindley wrote "This remarkable plant, to which His Royal Highness Prince Albert has been pleased to permit one of his titles to be given, and which will probably rank among the most highly valued of our hardy evergreen trees, is a native of the mountains of Patagonia, where it was found by Mr. William Lobb, forming a beautiful tree 30 feet high." When he published the plant in J. Hort. Soc. London vol.6 on page 258 in 1851. It is a slow-growing, long-lived evergreen tree growing to 15–25 m (50–80 ft) tall, with a trunk up to 1 m in diameter. The bark is thin and flaky to scaly, dark purple-brown. The leaves are arranged in an irregular spiral; they are lanceolate, 1.5–3 cm long, 2 mm broad, fairly hard with a prickly spine tip, dark green above, and with two glaucous blue-white stomatal bands below. The cones are 1 cm long, with 15-20 soft scales; usually only 2-4 scales on each cone are fertile, bearing a single seed 3 mm in diameter. Saxegothaea is endemic to the Valdivian temperate rain forests of southern Chile and adjacent parts of Argentina, where it is generally found in association with Pilgerodendron uviferum and Fitzroya cupressoides. The wood has a good quality and is used in furniture and barrels.

References

External links "Saxegothaea conspicua". Encyclopedia of Chilean Flora. Retrieved 2009-06-29. [1] [2] [3] [4] [5] Photos of mature trees, bark and foliage at Puerto Blest National Park, Nahuel Huapi, Argentina "Photo of foliage and immature cone". Botanischer Garten Bochum. Archived from the original on 2008-12-06. Retrieved 2009-06-29. "Pictures and information of Saxegothaea conspicua". Chilebosque. Retrieved 2009-06-29.

Illustrations

Worked examples

Example 1 — a first encounter with Saxegothaea

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

In research: Saxegothaea 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 Saxegothaea 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: Saxegothaea is common in secondary-school and first-year university syllabi. It links to neighbouring topics Flora of central Chile, Flora of the Andes, Flora of the Valdivian temperate forests, so understanding it makes those chapters shorter.
In everyday life: Look for Saxegothaea 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 Saxegothaea in 20 minutes

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

Frequently asked questions

What is Saxegothaea in simple terms?

Saxegothaea is a genus comprising a single species, Saxegothaea conspicua. It is a conifer in the podocarp family Podocarpaceae, native to southern South America.

Why does Saxegothaea 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 Saxegothaea?

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 Saxegothaea.