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Schistostega Moss

Schistostega pennata Weber & D. Mohr 1803

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Schistostega has been known as a shining moss because of its growth in usually dark, hidden places and its elusive greenish golden glow. The genus is characterized by its dimorphous sterile and fertile plants and its luminous, well developed protonema. P.-C. Chen et al. (1963) projected that Schistostega would be most likely found in northeastern China, since it has a wide distribution range in north temperate regions from North America, Europe, the Russian Far East, and northern Japan. Schistostega has been long sought in China and we are glad to report it in this Flora.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 2: 68 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Moss Flora of China @ eFloras.org
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Gao Chien & Marshall R. Crosby
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eFloras.org
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Description

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Leaves of sterile shoots 0.5-1.2 mm, ecostate, median cells smooth, oblong-rhomboidal, thin-walled, 16-20 µm wide, decurrent, confluent at the base, margin entire, weakly bordered by narrow, elongated cells. Protonemal gemmae sticky, obclavate, 80-200 × 15-20 µm, 3-4 cells in length, tapering and thickened near apex. Seta 2-5 mm. Capsule erect, light brown, smooth, subglobose or ovoid, annulus absent. Spores yellowish green, pitted-reticulate, 10-13 µm.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 475 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Description

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Plants small, delicate, 4–8 mm high, light green, in loose tufts. Protonema well developed, persistent, luminous in dark places. Leafy stems erect-flexuose, unbranched. Sterile plants frondiform, naked below, foliate above; leaves 0.4–0.9 mm long, widely spreading, distichous-complanate, oblong to oblong-lanceolate, somewhat asymmetric, acute to acuminate, decurrent and confluent at the base, ecostate; margins plane, entire, slightly bordered; leaf cells oblong-rhomboidal to rhomboidal, 52–110 µm × 14–28 µm, thin-walled, pellucid, smooth. Fertile plants with leaves arranged in 4–5 rows, leaves smaller than those on sterile plants, 0.6–0.8 mm long, erect-spreading, lanceolate, clustered at top of the stems, ecostate; margins entire, unbordered, thin-walled, lax, oblong-rhomboidal. Dioicous. Male and female plants grow together on the same protonema. Setae erect, elongate, 3–4 mm long, slender, more or less flexuose; capsules small, ovoid to subglobose, 0.3–0.4 mm high, erect, symmetric, smooth; annuli and peristome none. Spores small, ca. 10 µm in diameter, smooth.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 2: 68 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Moss Flora of China @ eFloras.org
editor
Gao Chien & Marshall R. Crosby
project
eFloras.org
original
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eFloras

Distribution

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Distribution: China, Japan, Russia (Siberia), Europe, and North America.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 2: 68 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Moss Flora of China @ eFloras.org
editor
Gao Chien & Marshall R. Crosby
project
eFloras.org
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eFloras

Habitat

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Habitat: on shaded or dark basalt cliffs in conifer forests, alt. 1540 m.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Moss Flora of China Vol. 2: 68 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Moss Flora of China @ eFloras.org
editor
Gao Chien & Marshall R. Crosby
project
eFloras.org
original
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eFloras

Synonym

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Gymnostomum pennatum Hedwig, Sp. Musc. Frond., 31. 1801; Schistostega osmundacea D. Mohr
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 475 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Schistostega

provided by wikipedia EN

Schistostega pennata, also called goblin gold,[1] Dragon's gold,[2] luminous moss[1] or luminescent moss,[3] is a moss known for its glowing appearance in dark places. It is the only member of the family Schistostegaceae.

Description

The moss has adapted to grow in low light conditions by utilizing spherical cells in the protonema that act as lenses, collecting and concentrating even the faintest light. The chloroplasts absorb the useful wavelengths of the light and reflect back the remainder towards the light source, giving the moss a greenish-gold glow.[4] The little lenses have the capability of turning towards the light source to maximise the collection of available light.[5]

The fronds of shoots that develop from the persistent protonema are small (1.5 cm long) with opposing pairs of leaves. A long stalk holds the egg-shaped capsule aloft.[6]

Distribution

Schistostega pennata is found in China, Japan, Siberia, Europe, and North America.[7]

It is easily outcompeted by other mosses and plant species in open, brighter areas, but its ability to concentrate the available light allows it to grow in shady places where other plants cannot survive. It prefers damp, but not too wet, mineral soils with a source of dim light, such as reflection from a pool of water, and so grows in habitats such as overturned tree roots, entrances to animal burrows and caves.

Folklore

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Makkausu Cave, Rausu, Hokkaido

Concerning the moss's common names, such as "goblin gold", Austrian Botanist, Anton Kerner von Marilaun wrote in Das Pflanzenleben der Donauländer in 1863:[2]

On looking into the interior of the cave, the background appears quite dark, and an ill-defined twilight only appears to fall from the center on to the side walls; but on the level floor of the cave innumerable golden-green points of light sparkle and gleam, so that it might be imagined that small emeralds had been scattered over the ground. If we reach curiously into the depth of the grotto to snatch a specimen of the shining objects, and examine the prize in our hand under a bright light, we can scarcely believe our eyes, for there is nothing else but dull lusterless earth and damp, mouldering bits of stone of yellowish-grey color! Only on looking closer will it be noticed that the soil and stones are studded and spun over with dull green dots and delicate threads, and that, moreover, there appears a delicate filigree of tiny moss-plants, resembling a small arched feather stuck in the ground. This phenomenon, that an object should only shine in dark rocky clefts, and immediately lose its brilliance when it is brought into the bright daylight, is so surprising that one can easily understand how the legends have arisen of fantastic gnomes and cave-inhabiting goblins who allow the covetous sons of earth to gaze on the gold and precious stones, but prepare a bitter disappointment for the seeker of the enchanted treasure; that, when he empties out the treasure which he hastily raked together in the cave, he sees roll out of the sacks, not glittering jewels, but only common earth.

There is a monument to Schistostega in Hokkaido, Japan, where it grows in profusion in a tiny cave.[2]

References

  1. ^ a b Edwards, Sean R. (2012). English Names for British Bryophytes. British Bryological Society Special Volume. 5 (4 ed.). Wootton, Northampton: British Bryological Society. ISBN 978-0-9561310-2-7. ISSN 0268-8034.
  2. ^ a b c Glime, Janice M. (2017). Bryophyte Ecology (Vol. 1 ed.). Michigan Technological University and the International Association of Bryologists. Retrieved 1 January 2018.
  3. ^ USDA Forest Service, Gotchen Risk Reduction and Restoration Project
  4. ^ "Schistostega pennata". Reference Desk of the Washington Natural Heritage Program.
    Japanese Botanic Garden
  5. ^ Sandles, Tim. "Shining moss". Legendary Dartmoor. Legendary Dartmoor. Retrieved 31 December 2017.
  6. ^ Atherton, Ian; Bosanquet, Sam; Lawley, Mark (2010). Mosses and Liverworts of Britain and Ireland. A Field Guide (PDF). Plymouth: British Bryological Society. p. 419. ISBN 9780956131010. Retrieved 31 December 2019.
  7. ^ "Schistostega pennata". Moss Flora of China.

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Schistostega: Brief Summary

provided by wikipedia EN

Schistostega pennata, also called goblin gold, Dragon's gold, luminous moss or luminescent moss, is a moss known for its glowing appearance in dark places. It is the only member of the family Schistostegaceae.

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Wikipedia authors and editors
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