Myosotis sylvatica

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Range Description

Myosotis soleirolii is an endemic species from Corsica and Sardinia with Paleotemperate origins. It is a rare species in the central mountains of Corsica from Rotondo to Incudine mountains. In Sardinia, it is found in the Gennargentu mountains.

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International Union for Conservation of Nature and Natural Resources

National Distribution

Canada

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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NatureServe

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NatureServe

Distribution

Distribution: N. Africa, Europe, Turkey, USSR, Pakistan, Kashmir eastward to Bhutan.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Morphology

Description

Perennial up to 30 cm tall. Stem erect, simple, sometimes with few branches, sparsely to densely vinous. Basal leaves elliptic-oblong to oblanceolate, 30-50 x 15-30 mm. Cauline leaves oblanceolate, sometimes lanceolate-obtuse, apiculate, uppermost ones similar but smaller and sessile. Inflorescence in flower short and crowded, in fruit loose and elongated, with fruiting calyx up to 16 mm apart. Fruiting pedicel exceeding calyx length. Calyx ½ to ¾th partite into lanceolate lobes, covered with spreading hairs, those on the lower connate part uncinate, base gradually (not abruptly) tapering, in fruit wide open. Corolla limb 5-7 mm broad; blue or bluish-purple. Nutlets c. 1.5 mm, oblong, upper half keeled vent-rally, acutish at tip with a narrow margin all around, blackish-brown, smooth and shiny.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Habitat

Habitat and Ecology

The species is found on runnels, edges of streamlets from 160 m to 2,050 m of altitude. This Hemicryptophyte grows principally on granite. At the moment, information about germination, growing and flowering conditions is not available - more research is needed.

Systems

Terrestrial
Freshwater

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BioImages - the Virtual Fieldguide (UK)

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International Union for Conservation of Nature and Natural Resources

Associations

In Great Britain and/or Ireland:
Foodplant / parasite
cleistothecium of Golovinomyces cynoglossi parasitises live Myosotis sylvatica

Foodplant / parasite
oospore of Peronospora myosotidis parasitises live Myosotis sylvatica

Plant / resting place / within
puparium of Phytomyza myosotica may be found in leaf-mine of Myosotis sylvatica
Other: major host/prey

Foodplant / spot causer
amphigenous colony of Ramularia hyphomycetous anamorph of Ramularia cerinthes causes spots on live leaf of Myosotis sylvatica

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BioImages

Cyclicity

Flower/Fruit

Fl. Per.: June-August.

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Barcode of Life Data Systems (BOLD)

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Molecular Biology

Statistics of barcoding coverage: Myosotis sylvatica

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 8
Specimens with Barcodes: 8
Species With Barcodes: 1

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Barcode of Life Data Systems

Conservation Status

IUCN Red List Assessment

Red List Category

Least Concern

Red List Criteria

Version

3.1

Year Assessed

2010

Assessor/s

Hugot, L.

Reviewer/s

Hugot, L., Bagella, S., Muller, S.D. & Temple, H. (IUCN Species Programme)

Contributor/s

Justification

Myosotis soleirolii has a restricted distribution, but the populations appear to be stable, and it is not believed to approach the criteria for listing in a threatened category. It is therefore listed as Least Concern.

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International Union for Conservation of Nature and Natural Resources

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNA - Not Applicable

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe

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NatureServe

NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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NatureServe

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NatureServe

Trends

Population

Myosotis soleirolii is known from 35 sites in Corsica. It has last been observed at the site of Rotondo in 2007.

The populations are affected by the hydrological conditions, but the global trend is not known. The lower altitude populations are found in flooded areas, so if the water level drops these are likely to disappear.

Population Trend

Unknown

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International Union for Conservation of Nature and Natural Resources

Threats

Major Threats

The major threats to this species are drought and decreasing water quality.

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International Union for Conservation of Nature and Natural Resources

Management

Conservation Actions

The species is legally protected on a regional level (Corsica) and is included in the French national Red List. Surveillance of the existing sites is done by guards from both the Regional Natural Park of Corsica and Botanical Conservatory from Corsica; search for new locations is underway.
It is recommended to study the dynamics of different populations; to increase knowledge about its biology, resilience and conservation; and to collect seeds for ex situ conservation.

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