biology

Leptosiphon nuttallii

Leptosiphon nuttallii 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 Leptosiphon nuttallii rather than just read about it. In short: Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus. It is native to much of western North America, including the Western United States from California to New Mexico and Montana, and Northwestern Mexico.

Key takeaways

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

Reference excerpt

Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus. It is native to much of western North America, including the Western United States from California to New Mexico and Montana, and Northwestern Mexico. It is known from many types of habitat. It is native to the Klamath Mountains, Northern California Coast Ranges and Sierra Nevada in Northern California; and the Inyo Mountains, Peninsular Ranges, Transverse Ranges, and White Mountains in Southern California.

Description Leptosiphon nuttallii is a perennial herb producing a patch of small, hairy stems up to about 20 centimeters tall. Each leaf is divided into usually five very narrow, needlelike lobes. The inflorescence is a cluster of flowers, each with white corolla lobes about half a centimeter long each joined at a yellowish throat.

Taxonomy Leptosiphon nuttallii was scientifically described in 1870 by Asa Gray as a species of Gilia named Gilia nuttallii. It was moved several times by various botanists before being placed in the Leptosiphon genus in 2000 by James Mark Porter and Leigh Alma Johnson. Along with the rest of its genus it is classified in the Polemoniaceae family.

Subspecies According to Plants of the World Online three subspecies are accepted:

Leptosiphon nuttallii subsp. howellii, Mt. Tedoc linanthus — a rare subspecies known from just a few populations deep within the Yolla Bolly-Middle Eel Wilderness in the Klamath Mountains, Northern California. It is California Department of Fish and Wildlife and IUCN listed Endangered species, and is on the California Native Plant Society Inventory of Rare and Endangered Plants. Leptosiphon nuttallii subsp. nuttallii – The most widespread, from Baja California to Montana. Leptosiphon nuttallii subsp. pubescens – endemic to the Eastern Sierra Nevada and Great Basin region in California and Nevada. Leptosiphon nuttallii has 18 synonyms of the species or its three subspecies, including six species names.

Names The species name, nuttallii, is the Latinized surname of the naturalist Thomas Nuttall. Leptosiphon nuttallii is known by the common names buslty desert-gold, bushy leptosiphon, and Nuttall's linanthus.

Range Leptosiphon nuttallii is native to northwestern Mexico and the western United States. In Mexico it grows in Baja California Sur in the Sierra de la Laguna mountains at the southern end of the Baja Peninsula. It also is known from the state of Sonora. In the United States it is widespread, growing in all the southwestern states as far east as New Mexico and the northwestern US as far north Washington and Montana.

References

Citations

Sources

books

Web sources

External links

Calflora Database: Leptosiphon nuttallii (Nuttall's linanthus) Jepson Manual eFlora (TJM2) treatment of Leptosiphon nuttallii UC CalPhotos gallery: Leptosiphon nuttallii

Illustrations

Worked examples

Example 1 — a first encounter with Leptosiphon nuttallii

Start with the simplest possible case. Write down what Leptosiphon nuttallii 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 Leptosiphon nuttallii 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 Leptosiphon nuttallii 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 Leptosiphon nuttallii

In research: Leptosiphon nuttallii 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 Leptosiphon nuttallii 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: Leptosiphon nuttallii is common in secondary-school and first-year university syllabi. It links to neighbouring topics Flora of New Mexico, Flora of Northwestern Mexico, Flora of the Northwestern United States, so understanding it makes those chapters shorter.
In everyday life: Look for Leptosiphon nuttallii 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 Leptosiphon nuttallii in 20 minutes

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

Frequently asked questions

What is Leptosiphon nuttallii in simple terms?

Why does Leptosiphon nuttallii 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 Leptosiphon nuttallii?

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 Leptosiphon nuttallii.