science

Karel Heyne

Karel Heyne 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 Karel Heyne rather than just read about it. In short: Karel Heyne (1877–1947) was a Dutch botanist, known for his comprehensive handbook on the useful plants of the Dutch East Indies (The useful plants of the Dutch East Indies); this was the first such handbook and became a standard reference. Towards the end of the 19th century, he settled on Java in the former Dutch East Indies.

Key takeaways

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

Reference excerpt

Karel Heyne (1877–1947) was a Dutch botanist, known for his comprehensive handbook on the useful plants of the Dutch East Indies (The useful plants of the Dutch East Indies); this was the first such handbook and became a standard reference. Towards the end of the 19th century, he settled on Java in the former Dutch East Indies. In 1900, at the age of 23, he started working for the Koninklijke Paketvaart Maatschappij (KPM). He married Wilhelmina Louise Visser (1871–1913) in 1903, and they had two sons, the first in 1905 and the second in 1906. In January 1906, Heyne was appointed chief curator of the Museum voor Economische Botanie (Museum of Economic Botany) in Buitenzorg by Melchior Treub, the then director of 's Lands Plantentuin in Buitenzorg. In January 1920 he married Ida van Oorschot (1875–1957). In 1926, Heyne resigned as curator and in April 1927 he repatriated to the Netherlands. He and his wife went to live in Bennekom, where he bought a large house.

He added two greenhouses, one heated and one kept temperate. There he cultivated Indonesian plants till his death twenty years later. Heating the greenhouse made him rise at four, every night, to refill the coal-burning stove.

Selected publications Heyne, K. 1907–1926. Jaarboek Departement van Landbouw, Handel en Nijverheid. Heyne, K. (1907). "Nota over het klapper-vraagstuk". Teysmannia. 18. G. Kolff & Co.: 52–64, 120–130. Heyne, K. (1909). "Kedele op de Europeesche markt". Teysmannia. 20. Batavia: G. Kolff & Co.: 687–691. OCLC 238645274. Heyne, K. (1911). "Garoehout". Teysmannia. 22. Batavia: G. Kolff & Co.: 411–417. Heyne, Karel. De nuttige planten van Nederlansch-Indië, tevens synthetische catalogus der verzamelingen van het Museum voor Technische- en Handelsbotanie te Buitenzorg (4 delen). Batavia: Ruygrok & Co; 1913-1917{{cite book}}: CS1 maint: postscript (link) Heyne, K. "Een massieve bamboe". Algemeen Landbouwkundig Weekblad Nederlandsch-Indië: 551–552; 1919/1920{{cite journal}}: CS1 maint: postscript (link) Heyne, K. "Copal". Algemeen Landbouwkundig Weekblad Nederlandsch-Indië: 1137–1138; 1919/1920{{cite journal}}: CS1 maint: postscript (link)

Eponyms (Zingiberaceae) Curcuma heyneana Valeton & Zijp (Zingiberaceae) Phaeomeria heyneana (Valeton) Burkill (Apocynaceae) Heynella lactea Backer

References

Illustrations

Worked examples

Example 1 — a first encounter with Karel Heyne

Start with the simplest possible case. Write down what Karel Heyne 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 Karel Heyne 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 Karel Heyne 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 Karel Heyne

In research: Karel Heyne 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 Karel Heyne 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: Karel Heyne is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1877 births, 1947 deaths, 20th-century Dutch botanists, so understanding it makes those chapters shorter.
In everyday life: Look for Karel Heyne 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 Karel Heyne in 20 minutes

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

Frequently asked questions

What is Karel Heyne in simple terms?

Why does Karel Heyne 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 Karel Heyne?

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 Karel Heyne.