Sanionia Moss (Sanionia orthothecioides)
Description
Plants medium-sized to large. Stems unbranched, sparsely and irregularly branched, or rarely - pinnate. Stem leaves falcate or strongly falcate, more rarely straight or almost so, strongly or sometimes slightly plicate, 0.6-1.5 mm wide; base ovate-triangular to broadly ovate; margins partly or entirely recurved (most distinct in ventral leaves), sometimes incurved proximally, finely denticulate or almost entire distally; apex long- or very long-acuminate; costa in bottom of deep narrow-angled fold; alar region transversely triangular, transition to supra-alar cells sudden, supra-alar cells quadrate or short-rectangular, chlorophyllose, walls slightly or strongly incrassate, porose, region equal in size to or much larger than alar region; apical laminal cells smooth. Perichaetia with inner leaves gradually narrowed to apex, margins finely denticulate to denticulate distally, apex long-acuminate. Capsule erect or inclined; exothecial cells isodiametric or transversely rectangular, in 3-7 rows; exostome specialized, teeth long, narrow, border not widened at transitional zone in pattern of external tooth; endostome specialized, in recently dehisced capsules strongly yellow, basal membrane constituting 20-30% endostome height, processes perforated only along midline, cilia rudimentary.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Bryophyta
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Class: Bryopsida
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Order: Hypnales
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Family: Amblystegiaceae
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Genus: Sanionia
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