Overview

Distribution

National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Physical Description

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, 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 persistent, Stipules clasping stem at the base, Stipules adnate to petiole, Leaves compound, Leaves palmately 2-3 f oliate, Leaflets dentate or denticulate, Leaflets 3, Leaves glabrous or nearly so, Inflorescences racemes, Inflorescences spikes or spike-like, Inflorescence axillary, Inflorescence terminal, Bracts very small, absent or caducous, Flowers sessile or nearly so, Flowers zygomorphic, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals white, Petals blue, lavander to purple, or violet, Petals bicolored or with red, purple or yellow streaks or spots, 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 united, 1 free, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit oblong or ellipsoidal, Fruit orbicular to subglobose, Fruit or valves persistent on stem, Fruit enclosed in calyx, Fruit glabrous or glabrate, Fruit 1-seeded, Fruit 2-seeded, Seed s 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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Type Information

Isotype for Trifolium petrophilum Greene ex A. Heller
Catalog Number: US 440740
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of original publication
Preparation: Pressed specimen
Collector(s): C. F. Baker
Year Collected: 1903
Locality: Mt. St. Helena., Napa, California, United States, North America
  • Isotype: Heller, A. A. 1907. Muhlenbergia. 2: 298.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Isotype for Trifolium helleri P.B. Kenn.
Catalog Number: US 691930
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): P. B. Kennedy
Year Collected: 1907
Locality: Los Gatos., Santa Clara, California, United States, North America
  • Isotype: Kennedy, P. B. 1913. Muhlenbergia. 9: 25.
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Source: National Museum of Natural History Collections

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Trifolium albopurpureum

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 albopurpureum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Trifolium albopurpureum

Trifolium albopurpureum is a species of clover known by the common name rancheria clover.

It is native to the west coast and of North America from British Columbia, California and the Sierra Nevada, to Baja California. It can be found in a wide variety of habitats, including chaparral and woodlands, grasslands, forests, and montane locales.

Description[edit]

Trifolium albopurpureum is an annual herb growing decumbent or erect in form. The leaflets are 1 to 3 centimeters long, and the herbage is hairy. The inflorescence is a spike of flowers measuring 0.5 to 2 centimeters wide. Each flower has a calyx of sepals with narrow lobes that taper into a bristle-shaped point and are coated in long hairs. Within the calyx is the flower corolla, which is purple and white in color.

Subspecies[edit]

Trifolium albopurpureum is often discussed as comprising three varieties. These are:

References[edit]

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