Barbula calycina Schwägr.

Species

Bryophytes > Pottiales > Pottiaceae > Barbula

Characteristics

Plants medium-sized, loosely caespitose, yellow-green above, reddish brown below; terricolous. Stems 10-20 mm tall, branching by subperichaetial innovations, occasionally with white tomentum below; in section subround, central strand present, small, inner cortical cells large, thin-walled, outer cortical cells in 1-2 rows, stereids, reddish. Leaves larger above, incurved dry, erect-spreading to widespreading above erect base wet; lanceolate to ovate-ligulate, 2-3 mm long; apex acute to obtuse, mucronate; base oblong to weakly obovate, appressed to stem; margins plane, entire. Costa short-excurrent, ventral superficial cells quadrate, papillose, dorsal superficial cells quadrate to short-rectangular, incrassate, papillose; in section semicircular to reniform, guide cells 6, ventral stereid band strong, 2-4 cells thick, ventral surface cells larger, thin-walled, papillose, dorsal stereid band strong, 2-4 cells thick, dorsal surface cells incrassate, papillose. Upper laminal cells subhexagonal to quadrate, weakly incrassate, with 4-6 large, simple, well-spaced papillae over lumen, not obscuring cells; upper basal cells rectangular to linear, yellowish, seriate papillose, extending down along costa, occasionally to base, lower basal cells oblong-hexagonal to rectangular, hyaline to yellowish, smooth, thin-walled. Dioicous. Perichaetial leaves highly differentiated, lower leaves abruptly short-subulate above elliptical, sheathing base, cells of subula papillose, upper leaves spirally sheathing seta, 3-5 mm long, irregularly serrate at apex; leaf cells fusiform, sinuate. Seta 20-50 mm long, yellowish to reddish; capsule cylindrical, 2.5 mm long, with very short neck, yellowish red; peristome 1.6-1.8 mm long, cleft to near base, teeth linear, reddish, strongly papillose, twisted 1 1/2 turns counter-clockwise, united below into short basal membrane, 50 µm high, papillose; operculum long-conic, 2.3 mm long, cells twisted counter-clockwise; calyptra long-cucullate; spores round, 8-10 µm, smooth.
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Foliage retention deciduous
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Mature height (meter) 0.01 - 0.02
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Soil texture 5-6
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Cultivation

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Images

Barbula calycina unspecified picture

Distribution

Barbula calycina world distribution map, present in South Africa

Identifiers

LSID 35110323
WFO ID wfo-0001152563
COL ID KMQH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tortella calycina Tortula calycina Barbula calycina Barbula hookeri