Schistidium crassipilum H. H. Blom
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publication ID |
https://doi.org/ 10.5252/cryptogamie-bryologie2021v42a5 |
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persistent identifier |
https://treatment.plazi.org/id/A50C87EA-FFBF-FFFA-FC64-FDF5FEBFF8C7 |
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treatment provided by |
Felipe |
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scientific name |
Schistidium crassipilum H. H. Blom |
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3. Schistidium crassipilum H. H. Blom View in CoL
( Fig. 7)
Bryophytorum Bibliotheca 49: 224 (1996).
HABITAT. — Calcareous rocks in exposed or protected sites, rare on siliceous rocks or as an epiphyte on tree bark or stumps, from 650 to 1800 m. Distribution: Figure 8. Widespread throughout the Iberian Peninsula.
DESCRIPTION
Plants
Small to medium-sized, (1.5) 2-3.5 cm long, forming dense or loose tufts, usually brownish to dark olivaceous.
Leaves
Straight or slightly curved, erect to patent, imbricate, triangular-ovate to ovate-lanceolate, sometimes elliptical, acute, 1.5-3 × 0.5-0.8 mm.
Hair-point
Cylindrical, somewhat flattened in lower part, finely to coarsely denticulate-spinulose, 0.1-1 mm long.
Lamina
Smooth, sometime denticulate-papillose at margins in upper part, in upper and central part irregularly 2-stratose to 1-stratose with 2-stratose spots; margins recurved in lower ½-ª∕5 of the leaf length on one side, 2-stratose in upper part.
Laminal cells
In upper and central part isodiametric, not or slightly sinuose, (7)8-9 µm long, basal cells rectangular to oblong, usually esinuose, (15)30-50 × 8-10(12) µm.
Perichaetial leaves
Elliptical to ovate-lanceolate, 3-3.9(4.2) × (0.6)0.8- 1.0 mm.
Urn
Oblong-cylindrical, 0.7-0.9(1.2) × 0.5-0.7 mm, red-brown to orange-brown.
Exothecial cells
Predominantly oblong, mixed with groups of short rectangular or isodiametric cells, stomata absent or 1(2) rudimentary.
FIG. 6. — Distribution of Schistidium brunnescens Limpr. (★) and Schistidium convergens J.Guerra & M.J.Cano (●) in the Baetic System.
Peristome teeth
300-450 µm long, entire or with few to several perforations in upper part, not arranged in parallel lines, orange-red to orange-brown.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.