Overview

Brief Summary

Spotted rockrose usually blossoms in early spring, having germinated in the autumn and survived the winter as a rosette of leaves. Wet summers can cause a summer blossom. However, if you want to see this plant flower, you'll have to get up early. Each flower blossoms only once and just for a few hours. It opens in the morning during warm sunny weather and the petals fall off before midday. Spotted rockrose grows in sunny places with low open growth and calcium-poor, weakly acidic soil. In the Netherlands, it used to grow in the dunes from Callantsoog northwards but is momentarily only found on Vlieland. Vlieland is also where the plant was first discovered in this country. Why spotted rockrose has become so rare is unclear. Some plant experts think it is due to a change in acidity and nutrients in the top soil and a disturbance in its relationship with fungi.
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Distribution

National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Ecology

Associations

Foodplant / feeds on
adult of Cryptocephalus aureolus feeds on pollen of Tuberaria guttata
Remarks: season: (4-)5-6(-9)

In Great Britain and/or Ireland:
Foodplant / parasite
Podosphaera helianthemi parasitises Tuberaria guttata

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Tuberaria guttata

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


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Statistics of barcoding coverage: Tuberaria guttata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 5
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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Wikipedia

Tuberaria guttata

Spotted rockrose in Crete showing large confluent spots at base of petals

Tuberaria guttata, the spotted rockrose, is a common plant of the Mediterranean region which also occurs very locally in Wales and Ireland. The flowers are very variable with the characteristic spot at the base of the petal very variable in size and intensity of colour.

The plant typically grows in low scrub or garrigue, frequently on limestone and often close to the sea.

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