science

Ginkgo henanensis

Ginkgo henanensis 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 Ginkgo henanensis rather than just read about it. In short: Ginkgo henanensis is an extinct species of seed plant in the family Ginkgoaceae. Fossil specimens of this species are known from Paleocene deposits in Henan, China.

Key takeaways

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

Reference excerpt

Ginkgo henanensis is an extinct species of seed plant in the family Ginkgoaceae. Fossil specimens of this species are known from Paleocene deposits in Henan, China.

Discovery and naming Ginkgo henanensis is known from 30 fossilized leaves, all excavated from the Dazhang Formation of Luanchuan, Henan Province, China, though only 4 of these leaves are well-preserved. These specimens have been deposited in the Paleobotanical Lab of Chang'a university in China. The generic name "Ginkgo" comes from its Japanese name, Gin an and Itsjò, which means "silver apricot". The specific name refers to Henan Province, where all currently known specimens originate from.

Description The known sample of fossil leaves indicates that Ginkgo henanensis was heterophyllous, with both bilobed and multi-lobed forms known. It is one of two Cenozoic Ginkgo known to only have lobed leaves, whilst other Cenozoic species have entire-margined leaves, making G. henanensis more similar to Mesozoic Ginkgo species in this respect. In the adaxial lamina, there is one central papilla in each cell. Trichomes are absent in this species. The leaves of this species fall within two leaf mass per area (LMA) range groups of 120.9 g/m2 to 131.3 g/m2, and 184.5 g/m2 to 187.4 g/m2 respectively. As both groups have higher LMA than the extant Ginkgo biloba, it is believed that Ginkgo henanensis had a slower ecological return strategy and lower nutrient recycling rate, possibly allowing Paleocene Ginkgo to take up a broader range of ecological niches than its extant counterpart.

References

Worked examples

Example 1 — a first encounter with Ginkgo henanensis

Start with the simplest possible case. Write down what Ginkgo henanensis 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 Ginkgo henanensis 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 Ginkgo henanensis 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 Ginkgo henanensis

In research: Ginkgo henanensis 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 Ginkgo henanensis 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: Ginkgo henanensis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fossil taxa described in 2023, Ginkgo, Paleocene plants, so understanding it makes those chapters shorter.
In everyday life: Look for Ginkgo henanensis 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 Ginkgo henanensis in 20 minutes

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

Frequently asked questions

What is Ginkgo henanensis in simple terms?

Ginkgo henanensis is an extinct species of seed plant in the family Ginkgoaceae. Fossil specimens of this species are known from Paleocene deposits in Henan, China.

Why does Ginkgo henanensis 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 Ginkgo henanensis?

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 Ginkgo henanensis.