Ditrichum heteromallum (Hedw.) E.Britton

Ditrichum moss (en)

Species

Bryophytes > Dicranales > Ditrichaceae > Ditrichum

Characteristics

Plants in loose to dense tufts, yellowish green. Stems to 1 cm, simple, seldom branched. Leaves 1.5-3 mm, erect-spreading, sometimes slightly secund, from an ovate to oblong base tapering gradually to a long channelled subula, lamina 2-stratose distally; margins plane, 1-stratose proximally, 2-stratose in the middle to distal parts; costa broad, occupying most of the subula, in section with a distinct abaxial and poorly developed adaxial stereid band; cells of subula and distal lamina elongate-rectangular, longer in the leaf base, smooth or sometimes papillose at both ends, especially near leaf apices. Specialized asexual reproduction by rarely produced rhizoidal tubers. Sexual condition dioicous. Seta reddish brown, 1-2.5 mm. Capsule erect, reddish brown, oblong to cylindric, symmetric, 0.5-1.5 mm; peristome teeth pale orange, about 300 µm, lightly papillose; operculum conic-rostrate, blunt, 0.4-0.5 mm. Spores 10-15 µm, finely papillose.
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Images

Ditrichum heteromallum unspecified picture

Identifiers

LSID 35132755
WFO ID wfo-0001164898
COL ID 6DC8X
BDTFX ID -
INPN ID 4816
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trichostomum heteromallum Weissia heteromalla Ditrichum subtortile Gymnostomum homomallum Bryum weisii Didymodum homomallum Didymodon homomallus Ditrichum heteromallum Ditrichum zonatum Bryum unilaterale Ditrichum homomallum Ditrichum homomallum var. leptocladum Ditrichum zonatum var. scabrifolium

Lower taxons

Ditrichum heteromallum var. julifiliforme Ditrichum heteromallum var. subalpinum Ditrichum heteromallum var. zonatum