User:Ching-Ning Yeh/sandbox

= Leucobryum bowringii Mitt. =

Leucobryum bowringii Mitt. is a species moss, belongs to the division of Bryophyta, the order Dicranales, the family Leucobryaceae, and the genus Leucobryum.

Distribution and habitat
Leucobryum bowringii Mitt. usually grow on soil, rock, tree-trunk and humus, with widely distributed in the world, but centered in Southeast Asia and Oceania, like Taiwan, Japan (Honshu, Shikoku, Kyushu, Ryukyu), China, Indochina, Thailand, Himalaya, India, Sri Lanka, Malay Pen., Philippines, Sumatra, Java, Borneo, Celebes, New Guinea, New Hebrides.

Morphology
The plants small to medium-sized, about 1-2 cm high, often lustour, forming soft and dense tufts, like a loose mat or cushion, usually yellowwish or whitish-green when moist and whitish when dry.

Stems erect, simple or branched, central strand present. Leaves densely tufted on short stem, lanceolate to linear lanceolate, usually 3.0-11.0x0.7-1.4 mm, gradually narrowed to subtubulose apices from oblong base acute, smooth on abaxial surface.

The structure of the leaf is primarily composed of large transparent cells called leucocysts and chlorophyll cells called chlorocysts (Ch). The cross-section in lower region thicker towards the leaf margin, costa with leucocysts usually 2 or 3 layers in the lower region, and 2 layers above.

Seta slender, reddish, 15-20 mm long, ea. 0.18 mm thick. Capsule horizontal to inclined, ovoid to ellipsoid, 1.0-1.2 x 0.65-0.70 mm. Operculum conic-rostrate with long beak, 1.3-1.5 mm long, usually longer than the urn. Peristome teeth to 0.5 mm long,, divided from tips to the middle, papillose. Calyptrae cucullate. Spores 12-16 µm, slightly scabrous, Calyptra 2.3-2.5 mm long.