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Overview

Distribution

National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Range Description

Species widely distributed in northern Africa and Mediterranean area.
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Distribution in Egypt

Mediterranean region.

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Source: Bibliotheca Alexandrina - EOL Ar

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Global Distribution

Mediterranean region, Atlantic Islands, extending eastwards to Iran.

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Physical Description

Morphology

Physical Description

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules clasping stem at the base, Stipules adnate to petiole, Leaves compound, Leaves palmately 2-3 foliate, Leaflets dentate or denticulate, Leaflets 3, Leaves glabrous or nearly so, Inflorescences racemes, Inflorescences spikes or spike-like, Inflorescence axillary, Flowers zygomorphic, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals pinkish to rose, Petals blue, lavander to purple, or violet, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 un ited, 1 free, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit tardily or weakly dehiscent, Fruit indehiscent, Fruit oblong or ellipsoidal, Fruit orbicular to subglobose, Fruit or valves persistent on stem, Fruit enclosed in calyx, Fruit beaked, Fruit glabrous or glabrate, Fruit 2-seeded, Fruit 3-10 seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Trifolium angustifolium is an annual herb which occurs in fallow fields, steppes, open plant communities and meadows.

Systems
  • Terrestrial
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Orchards and barley fields.

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Life History and Behavior

Life Expectancy

Annual.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Trifolium angustifolium

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Trifolium angustifolium

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 12
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Lopez Poveda, L.

Reviewer/s
Hilton-Taylor, C.

Contributor/s

Justification
Due to its wide distribution, its existence in protected areas throughout the range of the species and its apparently stable population, Trifolium angustifolium is listed as Least Concern.
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Population

Population
The population size of this species is not known.

Population Trend
Stable
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Threats

Major Threats
There are no known major threats to this species.
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Management

Conservation Actions

Conservation Actions
There is many protected areas throughout the range of the species. Seeds have yet to be collected as an ex situ conservation effort. It is not known to occur in any Botanical Garden.
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Wikipedia

Trifolium angustifolium

Trifolium angustifolium is a species of clover known by the common names narrow clover and narrowleaf crimson clover.

Distribution[edit]

It is native to Europe, Asia, and North Africa. Trifolium angustifolium occurs in many types of habitat, including disturbed areas.

It can be found elsewhere as an introduced species, including an invasive species in parts of North America, such as California.

Description[edit]

Trifolium angustifolium is an annual herb growing erect in form. The leaves are divided into narrow leaflets which are linear to lance-shaped and measure up to 4.5 centimeters long. The leaves have stipules tipped with bristles. The herbage is hairy in texture.

The inflorescence is a cylindrical spike of flowers measuring 1 to 5 centimeters long. Each flower has a calyx of sepals with long, hairy, needle-like lobes that harden into bristles as the plant dries. Within each calyx is a pink corolla about a centimeter long.

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