science

Vinca minor

Vinca minor 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 Vinca minor rather than just read about it. In short: Vinca minor (common names lesser periwinkle or dwarf periwinkle) is a species of flowering plant in the dogbane family, native to central and southern Europe. Other vernacular names used in cultivation include small periwinkle, common periwinkle, and sometimes in the United States, myrtle or creeping myrtle.

Key takeaways

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

Reference excerpt

Vinca minor (common names lesser periwinkle or dwarf periwinkle) is a species of flowering plant in the dogbane family, native to central and southern Europe. Other vernacular names used in cultivation include small periwinkle, common periwinkle, and sometimes in the United States, myrtle or creeping myrtle.

Description

Vinca minor is a trailing subshrub, spreading along the ground and rooting along the stems to form large clonal colonies and occasionally scrambling up to 40 centimetres (16 in) high but never twining or climbing. The leaves are evergreen, opposite, 2–4.5 cm (3⁄4–1+3⁄4 in) long and 1–2.5 cm (1⁄2–1 in) broad, glossy dark green with a leathery texture and an entire margin. The flowers are solitary in the leaf axils and are produced mainly from early spring to mid summer but with a few flowers still produced into the autumn; they are violet-purple (pale purple or white in some cultivated selections), 2–3 cm (3⁄4–1+1⁄4 in) diameter, with a five-lobed corolla. The fruit is a pair of follicles 2.5 cm (1 in) long, containing numerous seeds.

Chemistry Vinca minor contains more than 50 alkaloids, including vincamine. Other alkaloids include reserpine, rescinnamine, akuammicine, majdine, vinerine, ervine, vineridine, tombozine, vincamajine, vincanine, vincanidine, vinburnine, apovincamine, vincaminol, desoxyvincaminol, vincorine and perivincine.

Similar species The closely related Vinca major is similar, but larger in all parts, and also has relatively broader leaves with a hairy margin.

Distribution and habitat Vinca minor is native to central and southern Europe, from Portugal and France north to the Netherlands and the Baltic states, east to the Caucasus, and also southwestern Asia in Turkey.

Invasiveness It is considered an invasive species in some areas of the United States, primarily because of its ability to form dense and extensive mats along the forest floor, displacing native herbaceous and woody plant species. The species has few pests or diseases outside its native range and is widely naturalized as a result. Invasion can be restricted by removal of rooting stems in spring. Once established, it is difficult to eradicate, as its waxy leaves shed most water-based herbicide sprays. Spraying with glyphosate easily kills the plant in 2–3 weeks. Removal involves cutting, followed by immediate application of concentrated glyphosate or triclopyr to the cut stems. Repeated chemical treatments may be necessary, along with digging up the roots where feasible.

Cultivation The species is commonly grown as a groundcover in temperate gardens for its evergreen foliage, spring and summer flowers, ease of culture, and dense habit that smothers most weeds. It was once commonly planted in cemeteries in parts of the Southern U.S. and naturalized periwinkle may indicate the presence of graves whose other markers have disappeared.

Cultivars

There are numerous cultivars, with different flower colours and variegated foliage. Many have a less vigorous habit than the species, and are therefore more suitable for smaller gardens. The following cultivars have gained the Royal Horticultural Society's Award of Garden Merit:

'Argenteovariegata' (leaves have creamy white margins) 'Atropurpurea' (burgundy-purple flowers) 'Azurea Flore Pleno' (double blue flowers) 'Bowles's Variety' (violet-blue flowers: also known as 'Bowles's Blue' and 'La Grave') 'Ralph Shugert'

Uses Vinpocetine (brand names: Cavinton, Intelectol; chemical name: ethyl apovincaminate) is a semisynthetic derivative alkaloid of vincamine with purported medicinal uses.

In culture The colour name periwinkle is derived from the flower.

References

Further reading Flora Europaea: Vinca minor distribution Morphology and ecology of Vinca minor (in Spanish) Borealforest: Vinca minor Archived 2022-05-07 at the Wayback Machine Vinca minor (from Ohio State University's Pocket Gardener) Common periwinkle (as an invasive species; includes photos) Blamey, M., & Grey-Wilson, C. (1989). Flora of Britain and Northern Europe. Hodder & Stoughton. Huxley, A., ed. (1992). New RHS Dictionary of Gardening 4: 665. Macmillan. detailed technical description Encyclopedia of Life database entry

External links

Traditional Medicine Uses: Vinca minor "Vinca minor". Plants for a Future. "Vinca minor". Calflora. Berkeley, California: The Calflora Database. Vinca minor in the CalPhotos photo database, University of California, Berkeley

Illustrations

Worked examples

Example 1 — a first encounter with Vinca minor

Start with the simplest possible case. Write down what Vinca minor 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 Vinca minor 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 Vinca minor 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 Vinca minor

In research: Vinca minor 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 Vinca minor 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: Vinca minor is common in secondary-school and first-year university syllabi. It links to neighbouring topics Botanical taxa named by Carl Linnaeus, Garden plants of Europe, Groundcovers, so understanding it makes those chapters shorter.
In everyday life: Look for Vinca minor 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 Vinca minor in 20 minutes

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

Frequently asked questions

What is Vinca minor in simple terms?

Why does Vinca minor 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 Vinca minor?

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 Vinca minor.