Archive of Vanished Flora
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Sinking Flower Paludis mergens
Specimen · N°021 · Wetland

Paludis mergens

Once open, the flower sinks into the peat and vanishes within hours.

FOUND 58.4°N 4.5°W · Peat bog of northern Scotland  ·  ✝ EX · Last seen 1975

A wetland plant 10–18 cm tall. It roots shallowly in spongy peat and spreads linear green leaves in a rosette. On a long slender stalk it bears a single pale-yellow cup-shaped flower, which opens at dawn and closes within hours.

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Specimen Plates

8 plates · click to enlarge
Sinking Flower plate 1PLATE I
Sinking Flower plate 2PLATE II
Sinking Flower plate 3PLATE III
Sinking Flower plate 4PLATE IV
Sinking Flower plate 5PLATE V
Sinking Flower plate 6PLATE VI
Sinking Flower plate 7PLATE VII
Sinking Flower plate 8PLATE VIII
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Field Note

Habitat
Peat bog of northern Scotland. A blanket bog of water-laden, acidic peat.
Local name
Flower That Returns to the Mud
Folklore
Locally, summers with many of these flowers were said to grow the peat well and let the land hold water.
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Locator

Coordinates
58.4°N 4.5°W
Peat bog of northern Scotland
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Record

Once open, the flower sinks into the peat and vanishes within hours.

By the next day, no trace remains.

The peat bog of northern Scotland.

A land of water-laden, acidic mud.

At dawn, in the mist, a pale-yellow cup opens at the tip of a slender stem.

But within hours the flower closes, and soft peat covers it over.

More分類・学名・語源などの詳しい標本データ
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Classification

Classification & specimen data
Scientific name
Paludis mergens  A. Reinholt, 1968
Taxonomy
Plantae › Angiosperms › Dicotyledons › PaludalesPaludaceaePaludis › mergens
Voucher
AVF-021 · Holotype
Archive of Vanished Flora (AVF)
Conservation
✝ EX — Extinct Last seen 1975
Collector
Y. Aoki
1967-10-13
Synonym
Paludopsis mergens L. Fontaine, 1965
Protologue (Latin)
Planta humilis, caule brevissimo, petalis albidis nitentibus, in loco aperto crescens. Typus: Peat bog of northern Scotland. Species iam extincta.
Discovered / Described
1967 / 1968
Height
10〜18cm
Life form
Rosette perennial
Phyllotaxy
Basal (rosette)
Chromosome
2n = 32
Flowering
A few hours around dawn
Pollination
Nocturnal small moths
Substrate · pH
Acidic peat (pH 3.8〜4.5)
Elevation
200〜1,200 m
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Etymology

Etymology of the name
PaludisGENUS
paludisof the marsh
mergensEPITHET
mergsinking
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Related

Specimens of the same habitat
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