Ditrichum rhynchostegium Kindb.

Ditrichum moss (en)

Species

Bryophytes > Dicranales > Ditrichaceae > Ditrichum

Characteristics

Plants in low, silky green to yellowish green tufts or loosely gregarious. Stems to 1 cm, simple. Leaves to 5 mm, erect to some-what flexuose and spreading, rather crisped or contorted when dry, linear-subulate from a rather suddenly widened, subsheathing base, subula channelled distally, lamina 2-stratose distally; margins erect, slightly denticulate close to the apex, 2-stratose in the subula; costa broad and flat, occupying ca. 1/4 of the leaf base, percurrent, occupying most of the subula, in section with a prominent abaxial and weak adaxial stereid band; cells of the leaf base rather laxly oblong-hexagonal, wider near the costa, narrower and shorter near the margins, becoming shorter and subquadrate to short-rectangular and thicker-walled in distal sheath, short-rectangular to quadrate in the subula. Specialized asexual reproduction unknown. Sexual condition autoicous; perigonia axillary; perichaetial leaves with a ± sheathing base. Seta orange-yellow becoming reddish at maturity, elongate, 2-5 cm, slender, flexuose. Capsule suberect to inclined, pale brown, ovoid cylindric when moist, slightly asymmetric, 2.5-3.5 mm, flattening when dry and empty, narrowed at the mouth; operculum tall-conic, tapering to a blunt apex, to 1.5 mm; peristome teeth pale brown, to 1500 µm, split almost to the base into two long, filiform, densely spiculose filaments. Spores rounded to rounded-tetrahedral, 11-15(-19) µm, vermicular papillose-verrucose, yellowish brown.
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Foliage retention deciduous
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Identifiers

LSID 35132841
WFO ID wfo-0001164962
COL ID 36ZBJ
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ditrichum rhynchostegium Ditrichum henryi