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Published In: Revue Bryologique 23: 104. 1896. (Rev. Bryol.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/20/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Distichophyllum cirratum Renauld & Cardot (Figs. 1–4.)
Map: Distichophyllum cirratum Renauld & Cardot (Distribution in China)

Distribution     (Last Modified On 5/5/2009)
Habitat: on soil in shady sites.
Distribution: China, Malaysia, and Thailand.

Specimens Examined     (Last Modified On 5/5/2009)
Specimens Examined:
Chinese specimens examined: Guangxi: Long-sheng Co., P.-C. Wu et al.  127b, 344a, 419, 1298 (FH, IBSC, PE). Hainan: Mt. Jianfengling, P.-J. Lin 4061, 4241 (FH, IBSC).

Notes     (Last Modified On 5/5/2009)
general taxon notes:
Fleischer (1908) and Tan and Robinson (1990) considered this species to be conspecific with Distichophyllum nigricaule Mitt. ex Bosch & Sande Lac. Mohamed and Robinson (1991), however, concluded that the two species are separable. When treated separately, D. cirratum differs from D. nigricaule in having stronger and wider leaf borders and by the presence of numerous rows of smaller submarginal leaf cells. In contrast, laminal cells of D. nigricaule are more or less homogeneous and its leaf borders are narrower, measuring 15–25 µm wide. Because of having mucro leaf apices, Distichophyllum cirratum, sometimes, may be confused with D. collenchymatosum, which also has similar broad leaf borders. Nevertheless, the former can be identified by the presence of submarginal rows of cells that are smaller than the paracostal laminal cells. This difference in cell sizes between the peripheral and the costal areas of the leaf is best observed at the upper 1/3 of the leaf length. In addition, average leaf cell size of D. cirratum is smaller than that of D. collenchymatosum.


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2a. Distichophyllum cirratum Ren. & Card. var. cirratum 卷叶黄藓原变种 juan-ye huang xian yuan bian-zhong
Rev. Bryol. 23: 104. 1896. Type. Indonesia: Java, Tjibodas, Massart 1397 (isotype FH).
Distichophyllum perundulatum Dix., J. Linn. Soc., Bot. 50: 106. 1935, fide Tan and Robinson (1990).
Plants small to medium-sized, mat-forming. Stems prostrate, 2–3(–6) cm tall, 2–5 mm wide with leaves when dry, irregularly branched, laxly foliate. Leaves strongly crisped, often twisted lengthwise when dry, variable in shape, ovate, oblong-elliptic to lingulate, 2.0–2.5 mm × 0.5–1.0 mm, the apices obtuse or with a stout mucro; leaf margins entire, often strongly undulate even when moist, borders strongly differentiated, consisting of 2–3(–4) rows of moderately thick-walled, linear cells and measuring 30–45 µm wide; costae strong, reaching near leaf apex, sometimes becoming continuous with the leaf mucro; laminal cells hexagonal to polygonal, moderately thick-walled, 18–22(–33) µm wide, with 3–4 rows of smaller submarginal cells, 11–18 µm wide. Sporophytes not seen in Chinese collections. Setae reportedly 7–8 mm long, smooth.
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