Archive of Vanished Flora
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Ice-clad Flower Crystallanthus altaicus
Specimen · N°012 · Ice

Crystallanthus altaicus

At dawn, the flower is sealed in glass-like ice.

FOUND 49.5°N 87.5°E · Highland steppe of the Altai Mountains, Siberia  ·  ✝ EX · Last seen 1989

A small perennial about 7–12 cm tall, its slender dark-green leaves clad in frost. Each plant bears a single violet-blue bell-shaped flower; the night's cold wraps the whole bloom in a thin clear shell of ice, which melts within hours in the morning sun.

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Specimen Plates

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

Habitat
Highland steppe of the Altai Mountains, Siberia. It is found only on frozen gravel at dawns of strong late-autumn radiative cooling.
Local name
Bell of Ice
Folklore
Locally, the thicker the ice shell in the morning, the earlier winter was said to arrive.
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Locator

Coordinates
49.5°N 87.5°E
Highland steppe of the Altai Mountains, Siberia
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Record

At dawn, the flower is sealed in glass-like ice.

It melts only in the few hours after the morning sun.

The highland steppe of the Altai, Siberia.

At a dawn frozen by radiative cooling, the Ice-clad Flower appears.

Its slender dark-green leaves are wholly clad in frost.

At their centre, a single violet-blue bell-shaped flower has opened.

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
Crystallanthus altaicus  M. Castellan, 1982
Taxonomy
Plantae › Angiosperms › Dicotyledons › CrystallanthalesCrystallanthaceaeCrystallanthus › altaicus
Voucher
AVF-012 · Holotype
Archive of Vanished Flora (AVF)
Conservation
✝ EX — Extinct Last seen 1989
Collector
E. Mori
1982-01-04
Synonym
Crystallopsis altaicus K. Brandt, 1980
Protologue (Latin)
Herba parva rosulata, foliis crassis glaberrimis, floribus parvis stellatis. Typus: Highland steppe of the Altai Mountains, Siberia. Species iam extincta.
Discovered / Described
1982 / 1982
Height
7〜12cm
Life form
Perennial herb
Phyllotaxy
Alternate
Chromosome
2n = 14
Flowering
A few hours around dawn
Pollination
Nocturnal small moths
Substrate · pH
Fine gravel on ice / cryoconite
Elevation
200〜1,200 m
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Etymology

Etymology of the name
CrystallanthusGENUS
crystallcrystal
anthflower
altaicusEPITHET
The etymology is not recorded.
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Related

Specimens of the same habitat
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