Fissidens curvatus Hornsch.

Milo's fissidens moss (en)

Species

Bryophytes > Fissidentales > Fissidentaceae > Fissidens

Characteristics

Plants small, scattered, yellow-green, glossy; terricolous. Stems 1-3 mm long, simple; in section subround, central strand present, inner cortical cells large, in single row, outer cortical cells in 2 rows, small, substereids. Leaves larger above, slightly contorted dry, erect-spreading wet; linear-lanceolate to lanceolate, 0.7-0.8 mm long; apex acute; margins entire, strongly limbate throughout; costa percurrent. Vaginant laminae narrow, to upper ? of leaf, termination of one blade variable, marginal or laminal; dorsal lamina gradually tapering proximally, generally ending above insertion. Upper laminal cells irregularly shaped, rounded, angular, elongate-hexagonal or rectangular, 10-17 µm long, smooth, flat; basal cells of vaginant laminae generally rectangular. Autoicous. Perigonia gemmate, axillary. Perichaetia terminal; leaves asymmetrically broadly ovate-lanceolate, 1.2 mm long. Seta (1.2-)4-6 mm long, yellow; capsule inclined, urn short-cylindrical, 0.8 mm long, yellowish; exothecial cells quadrate to short-rectangular, weakly thickened; peristome deeply cleft, reddish; operculum rostrate; spores round, 14-17 µm, weakly papillose.
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Plants 1.2-10 × 1-2.5 mm. Stem unbranched and branched; axillary hyaline nodules present; central strand weak or absent. Leaves as many as 25 pairs, narrowly lanceolate to ovate-lanceolate, acute to sharply acute to short acuminate, to 1.9 × 0.3; dorsal lamina narrowed proximally, ending before or at insertion, infrequently ± decurrent; vaginant laminae 1/2-4/5 leaf length, ± equal, minor lamina ending on or near margin; margin entire, limbate on all laminae, limbidium confluent at apex or ending shortly before apex, extending to base of dorsal lamina, limbidial cells 2-3-stratose; costa percurrent to excurrent, bryoides-type; laminal cells 1-stratose, distinct, smooth, ± bulging, firm-walled, elongate, 7-22 × 4-13 µm, increasing in size toward proximal part of leaf. Sexual condition rhizoautoicous; perigonia gemmiform, proximal to infertile and fertile stems. Sporophytes 1 per perichaetium. Seta to 12 mm. Capsule theca exserted, ± erect, radially symmetric to inclined, arcuate, bilaterally symmetic, 0.35-1.25 mm; peristome bryoides-type; operculum 0.25-0.3 µm. Calyptra cucullate, smooth, 0.5 mm. Spores 11-18 µm.
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Hardiness (USDA) 8-12

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Images

Fissidens curvatus unspecified picture

Distribution

Fissidens curvatus world distribution map, present in Brazil and South Africa

Identifiers

LSID 35180733
WFO ID wfo-0001193312
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INPN ID 434082
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Fissidens pungens Fissidens pycnophyllus Fissidens aberrans Fissidens angustinervis Fissidens curvatus Fissidens diversiformis Fissidens filirameus Fissidens fritzei Fissidens indistinctus Fissidens laxereticulatus Fissidens luteo-viridis Fissidens milobakeri Schistophyllum orrii Fissidens perexilis Conomitrium gracile Conomitrium lindigii Fissidens strictulus Fissidens subinclinatulus Fissidens tequendamensis Fissidens flavosetus Fissidens aristatus Fissidens bockii Fissidens brotherianus Fissidens capillisetus Fissidens crassicuspis Fissidens cuspidatus Fissidens exsul Fissidens laxifolius Fissidens lindigii Fissidens macleanus Fissidens minutissimus Fissidens sericeus Fissidens algarvicus Fissidens brotherianus var. longisetus Fissidens lindigii var. latifolius Fissidens curvatus var. curvatus

Lower taxons

Fissidens curvatus var. inclinabilis