Overview

Distribution

Localities documented in Tropicos sources

Saxifraga bronchialis L.:
China (Asia)
Mongolia (Asia)
Russian Federation (Asia)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Heilongjiang, Nei Mongol [Mongolia, Russia; North America].
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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Plants 10-20 cm tall. Shoots numerous, with dense rosette leaves. Flowering stem slender, glandular pubescent or glabrous. Rosette leaves linear-lanceolate, 7.5-9 × 1.4-1.6 mm, leathery, glabrous except margin cartilaginous ciliate and apex cartilaginous aristate. Cauline leaves linear, 5.2-6 × 0.8-1 mm, leathery, margin cartilaginous ciliate, apex cartilaginous aristate. Cyme 3-5-flowered; branches slender, glandular pilose, sometimes with buds in bract axils. Sepals spreading, ovate, ca. 1.8 × 1.2 mm, subcarnose, abaxially and marginally glandular pilose, veins 3 or 4, free, apex acute. Petals yellowish white, crimson spotted, oblong-elliptic, 5-6 × 2-2.5 mm, not callose, 3-veined, base ± truncate, clawless, apex acute. Stamens ca. 5 mm. Ovary subsuperior, ovoid, 2-3 mm; styles ca. 1.5 mm. Fl. and fr. Jun-Aug. 2n = 26, 28, 38, ca. 44, 48, 66, ca. 80, 92, 112, 150.
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Diagnostic Description

Synonym

Ciliaria bronchialis (Linnaeus) Haworth; Leptasea bronchialis (Linnaeus) Komarov.
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Ecology

Habitat

Rock crevices on slopes; 800-1500 m.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Saxifraga bronchialis

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


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Statistics of barcoding coverage: Saxifraga bronchialis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

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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Notes

Comments

This is a polymorphic taxon, of which many variants have been treated as segregate species. The Chinese plants described above appear to belong to subsp. bronchialis. Further work on the whole complex throughout its range is needed in order to clarify the situation.
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