science

Oxalis debilis

Oxalis debilis 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 Oxalis debilis rather than just read about it. In short: Oxalis debilis, the large-flowered pink-sorrel or pink woodsorrel, is a perennial plant and herb in the family Oxalidaceae. Its original distribution is South America but it has become a cosmopolitan species, occurring in all continents except Antarctica.

Key takeaways

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

Reference excerpt

Oxalis debilis, the large-flowered pink-sorrel or pink woodsorrel, is a perennial plant and herb in the family Oxalidaceae. Its original distribution is South America but it has become a cosmopolitan species, occurring in all continents except Antarctica. It can be found in both temperate and tropical areas. The flowers, leaves and roots are edible. The plant contains oxalic acid, which can cause calcium deficiency if eaten in larger amounts, but typical quantities of the plant would likely not be enough to cause this effect.

Description It is a bulbous plant. The fruit is a capsule. The seeds are projected, with an elastic integument. In Europe the plants are sterile and are propagating only by bulbs. The leaves have a zesty lemony flavor. Research on the naturalizing populations in China show the presence of 2 flower morphs, pollen with low viability and polyploidy.

Varieties and cultivation There are two varieties:

Oxalis debilis var. corymbosa (DC.) Lourteig – large-flowered pink-sorrel (Synonym : O. corymbosa) Oxalis debilis var. debilis 'Aureoreticulata' ('aureo-reticulata') has attractive variegated leaves with flowers that are pinkish purple. This cultivar is also named 'Gold Veined Oxalis' (Yellow Vein Oxalis) with attractive yellow vein foliage. The symptom is associated with the presence of a begomovirus. This virus, designated OxYVV, is transmitted by the whitefly Bemisia tabaci. The Royal Horticultural Society advises that it can be a serious weed.

Distribution and habitat Its original distribution is South America but it has become a cosmopolitan species, occurring in all continents except Antarctica. It can be found in both temperate and tropical areas.

Pests and diseases Puccinia oxalidis is a fungus species in the genus Puccinia. This species is a causal agent of rust on plants in the genus Oxalis.

Uses The flowers, leaves and roots are edible. There is concern that the plant should only be consumed in small amounts because it contains oxalic acid, which can cause calcium deficiency if eaten in larger amounts. Studies show that this is an exaggerated fear.

See also List of the vascular plants of Britain and Ireland 6 List of vascular plants of Norfolk Island

References

Further reading . W. H. A. von Humboldt et al., Nov. gen. sp. 5:183[folio]; 5:236[quarto]. 1822

External links Data related to Oxalis debilis at Wikispecies

Illustrations

Worked examples

Example 1 — a first encounter with Oxalis debilis

Start with the simplest possible case. Write down what Oxalis debilis 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 Oxalis debilis 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 Oxalis debilis 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 Oxalis debilis

In research: Oxalis debilis 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 Oxalis debilis 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: Oxalis debilis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Flora of Southern America, Oxalis, Plants described in 1822, so understanding it makes those chapters shorter.
In everyday life: Look for Oxalis debilis 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 Oxalis debilis in 20 minutes

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

Frequently asked questions

What is Oxalis debilis in simple terms?

Why does Oxalis debilis 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 Oxalis debilis?

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 Oxalis debilis.