Common Names in English:
Plants small to medium-sized, mostly erect
and with ascending
branches], in tufts, cushions
, or gregarious
, rarely single or in tufts of a few; dark green to yellowish brown stems. Stems simple
; central strand absent; rhizoids brown to red or dark purple, scanty to numerous
, sometimes abundant and conspicuous
; axillary hairs
2 to many per axil, proximal
short and colored
, or undifferentiated. Leaves often slightly to strongly dimorphic
, mostly variously contorted when dry, straight and erect-ascending when moist, teniolae (intramarginal
of differentiated cells) present (in some Calymperes) or absent; proximal portion of leaves commonly sheathing
, including usually conspicuous areas of smooth
, enlarged, hyaline
, internally and externally porose
cells (cancellinae) ; distal portion of leaves oblong
, lanceolate, acuminate, or narrowly long-linear; margins
of distal lamina mostly thickened and toothed
, sometimes bordered
entirely or in part with elongate
hyaline cells; costa single, strong
to excurrent, in cross
showing a median
of guide cells with abaxial
cells (the ad-
and abaxial bands of cells rarely thin-walled and parenchyma-like) ; medial
cells of distal lamina mostly isodiametric, rarely transversely elongate, mostly variously papillose
. Specialized asexual
reproduction common by seriate-multicellular, fusiform-clavate to filiform
gemmae, borne mostly adaxially on apices of often highly modified leaves. Sexual condition mostly dioicous, rarely monoicous; perigonia axillary
, with highly reduced leaves; perichaetia terminal
but quickly overtopped by innovations and then appearing lateral
, leaves few, scarcely different from cauline leaves. Seta single, yellow to red, mostly elongate, smooth, erect. Capsule erect, mostly exserted, rarely immersed
, yellowish to brown, mostly cylindric
, smooth; stomata scanty, on neck, phaneropore
; annulus differentiated in several rows of cells; operculum rostrate
; peristome single, often vestigial or absent, teeth 16, variously papillose on external surface, mostly smooth on internal surface, with weak transverse
. Calyptra cucullate
and deciduous or rarely conic-mitrate, sometimes clasping
the seta below the capsule and persistent
and the spores then escaping through vertical
in the calyptra, naked, smooth or papillose, sometimes plicate
. Spores spherical
, mostly granular-papillose.
Genera 3, species ca. 150 (2 genera, 11 species in the flora ) : worldwide, mostly tropical and subtropical regions.
The Calymperaceae are defined by clasping leaf bases with cancellinae, absence of stem central strand , usually thickened and toothed leaf margins, mainly tropical-subtropical range , corticolous habitat , and common production of uniseriate leaf-tip gemmae. Plants of the family are specialized for water capture and retention by their sheathing leaf bases, and the large, empty, porose cells of their cancellinae. The habitat is typically on bark but many taxa occur primarily on decaying wood , rock, and soil. Our taxa occur almost exclusively in the southeastern United States.
Plants small, densely to loosely cespitose. Stems erect
. Leaves crowded, erect to spreading-recurved, weakly bordered
; chlorophyllose cells in a single layer; costa absent. Peristome with prostome
Species ca. 15: worldwide in tropical and subtropical regions.
Species Octoblepharum albidum
Plants glossy, glaucous-green to white, often with pink tinge;
densely cespitose; axillary hairs
3 per axil, 5-celled. Leaves
, fragile when dry, 4-5 mm, apiculate
older leaves sometimes with rhizoids on tips
. Specialized asexual
reproduction rare, by gemmae. Seta yellow, 2-5 mm.
brownish, 1-1.5 mm, ovoid-cylindric, slightly asymmetric
, with stomata
; operculum 0.8 mm; peristome of 8 blunt
of teeth, teeth smooth or faintly striate
, 200 µm tall, each
composed of one interior and one exterior
layer of intact, empty,
present. Calyptra 1.5-1.9 mm. Spores
, 17-24 µm. Capsules mature
year but most common Sep-Apr. [source]
Octoblepharum albidum is a weedy and conspicuous moss that is distributed worldwide in the tropics. It grows especially on palms, often forming deep soft cushions . The flat, glossy, ligulate , spreading-recurved leaves distinguish it easily in the field from the superficially similar Leucobryum, which has erect or spreading , pointed , subtubulose leaves. [source]
Typically found at an altitude of 0 to 4,936 meters (0 to 16,194 feet).
- Whittaker & Margulis,1978
- Haeckel, 1866
- Cavalier-Smith, 1981
- A. Braun, in Ascherson, 1860
- (Linnaeus, 1753) Cavalier-Smith, 1998
- Cavalier-Smith, 1998
- Subclass: Dicranidae ()
- Class: Bryopsida () - - Mosses
- Infraphylum: Bryatae () - Cavalier-Smith, 1998
- Subphylum: Musci () - (Linnaeus, 1753) Cavalier-Smith, 1998
- Phylum: Bryophyta () - A. Braun, in Ascherson, 1860 - Mosses
- Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
- Kingdom: Plantae () - Haeckel, 1866 - Plants
Octoblepharum cuspidatum C. Mï¿½ller • Octoblepharum ekmanii Thï¿½riot • Octoblepharum longifolium Lindberg • Octoblepharum minus Hampe
Status: Accepted Name
Last scrutiny: 19-Jul-2004
Members of the genus Octoblepharum
ZipcodeZoo has pages for 1 species, subspecies, varieties, forms, and cultivars in this genus:
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Accessed through GBIF Data Portal February 27, 2008:
- Australian Antarctic Data Centre: Australian Antarctic Division Herbarium
- Australian National Herbarium (CANB)
- Botanical Research Institute of Texas: Andes to Amazon Biodiversity Program
- Canadian Museum of Nature: Canadian Museum of Nature Herbarium
- GBIF-Spain: Real Jardin Botanico, Madrid: MA-Musci
- Herbarium of the University of Aarhus: The AAU Herbarium Database
- Herbier de la Guyane
- Instituto Nacional de Biodiversidad (Costa Rica): Biodiversidad de Costa Rica
- Missouri Botanical Garden
- National Herbarium of New South Wales: Plants of Papua New Guinea
- UNIBIO, IBUNAM: MEXU/Colección de Briofitas
- Biodiversity Heritage Library NamebankID: 3872847
- Catalogue of Life Accepted Name Code: MOS-35172326
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 16849
- U.S.D.A. Plant Symbol: OCAL2
- Zipcode Zoo Species Identifier: 51412
- William D. Reese "Calymperaceae". in Flora of North America Vol. 27 Page 654, 663. Oxford University Press. Online at EFloras.org. [back]
- "Octoblepharum". in Flora of North America Vol. 27 Page 440, 663, 664. Oxford University Press. Online at EFloras.org. [back]
- "Octoblepharum albidum". in Flora of North America Vol. 27 Page 21, 661, 664. Oxford University Press. Online at EFloras.org. [back]
- Mean = 328.160 meters (1,076.640 feet), Standard Deviation = 933.630 based on 550 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]