Difference between revisions of "Bucklandiella sect. Marginatae"
in R. Ochyra et al., Cens. Cat. Polish Mosses, 143. 2003,.
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|accepted_name=Bucklandiella sect. Marginatae | |accepted_name=Bucklandiella sect. Marginatae | ||
| − | |accepted_authority=(Bednarek-Ochyra) Bednarek-Ochyra & Ochyra | + | |accepted_authority=(Bednarek-Ochyra) Bednarek-Ochyra & Ochyra |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in R. Ochyra et al., Cens. Cat. Polish Mosses, | |title=in R. Ochyra et al., Cens. Cat. Polish Mosses, | ||
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name=Bucklandiella sect. Marginatae | name=Bucklandiella sect. Marginatae | ||
| − | |authority=(Bednarek-Ochyra) Bednarek-Ochyra & Ochyra | + | |authority=(Bednarek-Ochyra) Bednarek-Ochyra & Ochyra |
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V27/V27_373.xml |
|subfamily=Grimmiaceae subfam. Racomitrioideae | |subfamily=Grimmiaceae subfam. Racomitrioideae | ||
|genus=Bucklandiella | |genus=Bucklandiella | ||
Latest revision as of 21:25, 5 November 2020
Plants small, medium-sized to large, fairly slender to coarse, sometimes hoary. Stems prostrate, curved-ascending to erect, 1–15 cm, often copiously pinnately or intricately branched. Leaves lanceolate, straight to falcate, piliferous or muticous; hair-point often long, strongly flexuose; margins usually recurved on both sides to 1/2–3/4 of the leaf length, rarely to the apex, 1–2-stratose; costa 2–3-stratose in the proximal part; laminal cells long-rectangular in the distal half, esinuose, porose and with strongly incrassate walls near the base; basal marginal border present, composed of transparent cells. Innermost perichaetial leaves strongly differentiated, hyaline proximally, chlorophyllose distally with areolation of cells with strongly incrassate walls, epilose or rarely piliferous.
Distribution
North America, Central America, South America, Eurasia, Africa, Atlantic Islands, Indian Ocean Islands, Pacific Islands, Australia, Antarctica.
Discussion
Species ca. 10 (2 in the flora).
Section Marginatae is a sharply delimited taxon characterized primarily by strongly modified innermost perichaetial leaves that have the areolation in the distal half composed of cells with strongly incrassate walls. Additionally, the basal cells of vegetatvie leaves are esinuose with markedly incrassate lateral walls, the distal cells tend to be elongate, and the basal marginal border is present and is composed of pellucid, esinuose cells.
Selected References
None.
Lower Taxa
Key
| 1 | Leaves often secund, not spirally arranged; basal marginal border composed of quadrate to short-rectangular cells, esinuose or very seldom sinuose; hair-point mostly present, 0.3-1.1 mm, capillaceous, flexuose, sharply denticulate. | Bucklandiella microcarpa |
| 1 | Leaves straight, spirally twisted around the stem; basal marginal border composed of long-rectangular to linear cells; hair-point absent or short, to 0.4 mm, stout, straight, nodulose- denticulate. | Bucklandiella afoninae |