science

Wisteria floribunda

Wisteria floribunda 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 Wisteria floribunda rather than just read about it. In short: Wisteria floribunda, common name Japanese wisteria (藤, fuji), is a species of flowering plant in the family Fabaceae, native to Japan. (Wisteriopsis japonica, synonym Wisteria japonica, is a different species.) Growing to 9 m (30 ft), Wisteria floribunda is a woody, deciduous twining climber.

Key takeaways

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

Reference excerpt

Wisteria floribunda, common name Japanese wisteria (藤, fuji), is a species of flowering plant in the family Fabaceae, native to Japan. (Wisteriopsis japonica, synonym Wisteria japonica, is a different species.) Growing to 9 m (30 ft), Wisteria floribunda is a woody, deciduous twining climber. It was first brought from Japan to the United States in the 1830s. It is a common subject for bonsai, along with Wisteria sinensis (Chinese wisteria). Japanese wisteria sports the longest flower racemes of any wisteria; Some of those cultivars can reach 2 m (7 ft) in length. These racemes burst into clustered white, pink, violet, or blue flowers in early- to mid-spring. The flowers carry a fragrance similar to that of grapes. The early flowering time of Japanese wisteria can cause problems in temperate climates, where early frosts can destroy the coming years' flowers. It will also flower only after passing from juvenile to adult stage, a transition that may take many years just like its cousin Chinese wisteria. Japanese wisteria can grow over 30 metres (98 ft) long over many supports via powerful clockwise-twining stems. The foliage consists of shiny, dark-green, pinnately compound leaves 10–30 centimetres (3.9–11.8 in) in length. The leaves bear about 15-19 oblong leaflets that are each 2–6 centimetres (0.79–2.36 in) long. It also bears poisonous, brown, velvety, bean-like seed pods 5–10 centimetres (2.0–3.9 in) long that mature in summer and persist until winter. Japanese wisteria prefers moist soils and full sun in USDA plant hardiness zones 5–9. The plant often lives over 50 years.

Cultivars

Those marked agm have gained the Royal Horticultural Society's Award of Garden Merit.

'Burford' agm – pale violet with purple keel 'Domino' agm – pale lilac 'Hon-beni' or 'Rosea' agm – pale rose flowers tipped purple, 18 in (46 cm) long 'Issai Perfect' – light lavender flowers 'Ito Koku Riu' or 'Royal Purple' – dark blue or violet flowers, lightly scented, long clustered bunches, 30–50 cm (12–20 in) long 'Jako' or 'Ivory Tower' 'Kimono' agm 'Kokuryu' agm – violet, scented 'Kuchibeni' or 'Carnea' – pink flower 'Lawrence' agm – pale violet flowers, deeper violet keel and wings 'Longissima Kyushaku' – mauve-purple flowers on a raceme up to 6 ft (1.8 m) or even 7 feet (2.1 m) in length. 'Kyushaku' means '9 shaku', referring to an archaic Japanese unit of measurement; in the International System of Units, 9 shaku translates to a length of 2.72 m (8.9 ft). The origin of this cultivar is a 1200 year-old wisteria tree in Ushijima, Kasukabe City, which had racemes about 3 m (9.8 ft) long in the Meiji period. Also known as 'Murasaki naga fuji' or Noda naga fuji. 'Macrobotrys' or 'Longissima' – reddish-violet flower clusters 1 m (3.3 ft) or longer 'Macrobotrys Cascade' – white and pinkish-purple flowers, vigorous grower 'Nana Richins Purple' – purple flowers 'Nishiki' – variegated foliage 'Plena' or 'Violaceae Plena' – double blue flowers in dense clusters 'Praecox' or 'Domino' – purple flowers 'Purpurea' – unknown; may be Wisteria sinensis 'Consequa', sometimes labeled purpurea 'Rubra' – unknown; may be 'Honbeni' – sometimes labeled as Rubrum – deep pink to red flowers 'Shiro-noda' (W. floribunda f' alba) agm – long white flower clusters 'Texas Purple' – may be a sinensis or a hybrid, short racemes, purple flowers, produced while the plant is still young 'Violacea Plena' – double violet flowers, rosette-shaped 'White with Blue Eye' – also known as 'Sekines Blue' – very fragrant 'Yae-kokuryu' agm

Gallery

References

External links

Japanese Wisteria at MSU Japanese Wisteria as a pest Archived 2016-07-12 at the Wayback Machine University of Ohio fact sheet for Wisteria family

Illustrations

Worked examples

Example 1 — a first encounter with Wisteria floribunda

Start with the simplest possible case. Write down what Wisteria floribunda 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 Wisteria floribunda 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 Wisteria floribunda 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 Wisteria floribunda

In research: Wisteria floribunda 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 Wisteria floribunda 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: Wisteria floribunda is common in secondary-school and first-year university syllabi. It links to neighbouring topics Flora of Japan, Garden plants of Asia, Plants used in bonsai, so understanding it makes those chapters shorter.
In everyday life: Look for Wisteria floribunda 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 Wisteria floribunda in 20 minutes

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

Frequently asked questions

What is Wisteria floribunda in simple terms?

Why does Wisteria floribunda 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 Wisteria floribunda?

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 Wisteria floribunda.