3a. Dicranoloma brevisetum (Dozy & Molk.) Paris var. brevisetum 短柄锦叶藓原变种 duan-bing jin-ye xian yuan bian-zhong
Index Bryol. (ed. 2) 2: 25. 1904. Megalostylium brevisetum Dozy & Molk., Musci Frond. Ined. Archip. Ind. 6: 146. Pl. 144. 1848. Type. Indonesia: Java, Junghuhn s.n.
Plants variable in size, up to 10 cm high, usually whitish green, in dense, sparsely radiculose tufts. Stems simple or forked, sometimes with filamentous propagules in the upper leaf axils; central strand absent. Leaves erect-spreading, falcate-secund in the upper stems, lanceolate, smooth or slightly plicate, rather abruptly narrowed from a clasping base to a long, setaceous, and denticulate apex; margins plane, entire below, strongly serrate above; costa percurrent to shortly excurrent, with two rows of lamellae at back above, often with additional rows of teeth in between; cells elongate-rectangular, thick-walled, pitted or porose; alar cells differentiated, forming distinct, brownish auricles, extending to near the costa, with longitudinally thickened walls. Sporophytes not seen.