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Moss China | Family List | Moss China V. 2 | Pottiaceae | Gymnostomum

3. Gymnostomum laxirete (Broth.) P.-C. Chen, Hedwigia. 80:57. 1941; Hymenostylium laxirete Broth., Symb. Sin. 4: 32. 1929.


Plants medium-sized to rather large, 30–60 mm high, in dense tufts. Stems erect, usually branched, densely foliate. Leaves ovate at the base, rather abruptly narrowed and lanceolate above the base, blunt at the apex; margins plane, entire; costa stout, ending just below the apex; upper leaf cells rounded or oblong-elliptic hexagonal, strongly thick-walled, irregularly arranged; basal cells broader and longer, irregularly rectangular or oblong-elliptic, rather thick-walled, all cells smooth. Sporophytes unknown.

Type. China: Yunnan, Li-jiang Co., Handel-Mazzetti 4204 (holotype H).

Specimen examined: Only the type was seen.

Habitat: on calcareous rocks; Distribution: endemic to China.

Illustrations: Pl. 122, figs. 1–3.


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