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Hodgsonia

Hodgsonia 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 Hodgsonia rather than just read about it. In short: Hodgsonia is a small genus of fruit-bearing vines in the family Cucurbitaceae. Hodgsonia was named after Brian Houghton Hodgson in 1853 by the British botanists Joseph Dalton Hooker and Thomas Thomson, who examined the plant under Hodgson's hospitality in the Himalaya.

Hodgsonia — main illustration
Hodgsonia — illustration

Key takeaways

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

Reference excerpt

Hodgsonia is a small genus of fruit-bearing vines in the family Cucurbitaceae. Hodgsonia was named after Brian Houghton Hodgson in 1853 by the British botanists Joseph Dalton Hooker and Thomas Thomson, who examined the plant under Hodgson's hospitality in the Himalaya.

Classification Three species are accepted by Plants of the World Online:

Hodgsonia heteroclita (Roxb.) Hook.f. & Thomson 1853 Hodgsonia macrocarpa (Blume) Cogn. 1881 Hodgsonia tsai J.Y.Shen, X.D.Ma, W.G.Wang & B.Pan bis 2022

Physical characteristics Hodgsonia heteroclita is a vine or liana growing up to 30 m (98 ft) in length. The leaves are about 15 cm (5.9 in) long and wide. The flowers bloom for just one night, then fall off. It is dioecious, with separate male and female plants. The five-petaled flowers have numerous filaments up to 7.5 cm (3.0 in) long hanging from the end of each petal. These flowers are white in front and yellow with red stripes on the back. The fruit which follows is the shape and colour of a small pumpkin (Cucurbita pepo).

Uses

Food Although the flesh of Hodgsonia fruit is inedible and considered worthless, the large, oil-rich seeds are an important source of food. The kernels are occasionally eaten raw; they are slightly bitter, possibly due to an unidentified alkaloid or glucoside, but "perfectly safe" to eat. More commonly, the seeds are roasted, after which they taste like pork scraps or lard; many mountain peoples consider these roasted seeds a delicacy. In addition to eating the seeds alone, the Naga incorporate them into various types of curry. The Karbi Community of North East India cultivate it in their backyard gardens and consume it as a side dish during a meal. They call it Hanthar Athe.

Medicine The medicinal importance of Hodgsonia is mostly in its leaves. In Malaya and java, native physicians report several uses for the nose. The leaves may be dried and burnt, and the smoke inhaled, or the juice of young stems and leaves is squeezed into the nostrils to allay irritation from small insects. The leaves are also boiled and the resulting liquid taken internally, both for nose complaints and to reduce fevers. The ashes from burnt leaves of H. macrocarpa are also used to heal wounds. In Nagaland, the fruit bulb is applied to bacterial infections in the feet. In Sarawak, Hodgsonia oil is used to anoint the bodies of mothers after childbirth; it also forms the base of embrocations carrying ashes from the leaves of coconut palm and Kaempferia. The oil is also used as a base for medicines in Eastern India.

History

Vernacular names

In the north, H. heteroclita: India, Sikkim (Lepchas): Kat'hior-pot; Nagaland: Assa; Mizoram: Khaûm China, Yunnan: You-zha-guo (油渣果, "Fat-cracklings fruit") Bangladesh: Makal; Sylhet: Goolur Vietnam: Đài hái, Cây mỡ lợn, Dây beo, Ké bao, Mướp rừng, Dây sén, Mác Kịch (Tày) Laos: Mak klung In the south, H. macrocarpa: Thailand, Pattani: Kāpā yê Malaysia, Malaya: Akar kêpayang, Kêlêpayang, Pepayang, Teruah, Breuh Indonesia, Java: Akar kêpayang; (Sundanese): Aroi pichung, Chèlèng; Sumatra: Bilungking, Kadam European languages: (English): Kadam seed, Kapayang, Lard fruit; Chinese lardplant (Dutch): Kadamzaad Some of these names are ambiguous. "Kepayang" might mean Pangium edule, the "football fruit" tree whose aril is edible but whose large seeds are so laden with hydrocyanic acid that they are used as a powerful arrow poison. The seeds can be prepared for human consumption; they are boiled and steeped in water, not roasted. "Kadam" can also mean Anthocephalus cadamba, a tree with much smaller fruit and minute seeds.

References

External links

UN distribution information Archived 2007-09-30 at the Wayback Machine

Illustrations

Hodgsonia illustration
Hodgsonia: Hodgsonia heteroclita male plant
Hodgsonia heteroclita male plant
Hodgsonia: Hodgsonia heteroclita female plant
Hodgsonia heteroclita female plant

Worked examples

Example 1 — a first encounter with Hodgsonia

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

In research
Hodgsonia 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 Hodgsonia 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
Hodgsonia is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cucurbitaceae genera, Cucurbitoideae, Dioecious plants, so understanding it makes those chapters shorter.
In everyday life
Look for Hodgsonia 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 Hodgsonia in 20 minutes

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

Frequently asked questions

What is Hodgsonia in simple terms?

Hodgsonia is a small genus of fruit-bearing vines in the family Cucurbitaceae. Hodgsonia was named after Brian Houghton Hodgson in 1853 by the British botanists Joseph Dalton Hooker and Thomas Thomson, who examined the plant under Hodgson's hospitality in the Himalaya.

Why does Hodgsonia 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 Hodgsonia?

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 Hodgsonia.

Tags

  • Cucurbitaceae genera
  • Cucurbitoideae
  • Dioecious plants
  • Taxa named by Thomas Thomson (botanist)
  • Taxa named by William Jackson Hooker

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