Leptodontium pungens (Mitt.) Kindb.

Species

Bryophytes > Pottiales > Pottiaceae > Leptodontium

Characteristics

Plants medium-sized in loose tufts, yellowish brown, 2-4 cm high. Stems red, erect or laxly ascending, hyalodermis present, sparsely radiculose. Leaves erect to erect-spreading, twisted to contorted when dry, spreading-recurved to squarrose-recurved when wet, lanceolate to ovate-lanceolate, 3 mm long, keeled above, erect-sheathing at base, not decurrent; apices acuminate; margins recurved in lower 1/2-2/3, dentate in upper 1/3; costa percurrent to subpercurrent, semicircular, with 2 ventral and 2-3 dorsal layers of stereid cells; upper leaf cells quadrate to subrectangular, or oblate,thick-walled with rounded corners, 5-10 x 3.7-10 µm, pluripapillose, papillae multifid, scattered,basal cells long-rectangular, thin-or firm-walled, 32-65 x 2.5-5 µm, often laterally thickened and porose, pluripapillose, papillae simple, alar cells differentiated in small groups of yellow-red, short-rectangular, porose cells. Dioicous. Sporophytes not known in Central America, description based on South American plants. Setae straight, 10-13 mm long, yellow-brown. Capsules erect, cylindrical, 1.5-2 mm long, smooth to rugose when dry; exothecial cells short-rectangular; stomata at base of urn; opercula obliquely conic-rostrate, 0.7-1 mm long; peristome teeth linear, irregularly divided in upper 1/2-2/3, yellow-brown, smooth to indistinctly striate, preperistome sometimes present. Spores12-17.5 µm, densely papillose. Calyptra not seen.
More
Plante de taille moyenne, généralement en touffes denses, brun foncé à rougeâtre en profondeur, généralement brun jaunâtre en haut; tiges atteignant 5(-10) cm de longueur, cannelées; feuilles de 3-4 x 1 mm, lancéolées avec un apex étroitement aigu, carénées en haut, dressées et peu tordues à sec, courbées en arc à l’état humide; marge foliaire recourbée en bas et irrégulièrement dentée en haut; nervure foliaire finissant au sommet ou peu en-dessous, épaisse; cellules foliaires inférieures rectangulaires, à parois latérales souvent épaissies et poreuses, la rangée marginale presque toujours élargie et jaunâtre, les autres formant une bande colorée en brun jaune d’environ 5-8 cellules de large; cellules foliaires supérieures un peu allongées ou presque isodiamétriques, à parois épaissies, pourvues de 2-4 papilles basses, ramassées, ramifiées, les cellules marginales peu ou non papilleuses, celles de l’apex allongées et lisses.
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Foliage retention deciduous
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Mature height (meter) 0.04 - 0.05
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Environment

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Soil humidity 1-3
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Hardiness (USDA) 8-12

Usage

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Cultivation

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Distribution

Leptodontium pungens world distribution map, present in Brazil and South Africa

Identifiers

LSID 35138984
WFO ID wfo-0001168728
COL ID 3TNW8
BDTFX ID -
INPN ID 823575
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Leptodontium acutifolium Leptodontium acutissimum Leptodontium braunioides Leptodontium grimmioides Leptodontium joannis-meyeri Leptodontium matucamense Leptodontium pumilum Leptodontium pungens Leptodontium serrifolium Leptodontium skottsbergii Leptodontium subgrimmioides Trichostomum pumilum Orthotrichum serrifolium Leptodontium joannis-meyeri var. cameruniae