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Published In: Journal of the Linnean Society, Botany 13: 324. 1873. (J. Linn. Soc., Bot.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/11/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/1/2009)
General Reference:

Illustration & Map     (Last Modified On 5/1/2009)
Illustrations: Fissidens flabellulus Thwaites & Mitt. (Figs. 17–37.)
Map: Fissidens flabellulus Thwaites & Mitt. (Distribution in China)

Distribution     (Last Modified On 5/1/2009)
 Habitat: on soil or base of trees.
Distribution: China, Japan (Bonin), and Sri Lanka.

Specimens Examined     (Last Modified On 5/1/2009)
Specimens Examined:
Chinese specimen examined: Yunnan: Meng-la Co., Mengxing River at Kilometer marker 71 along Menglun-Menxing road, Magill, Redfearn & Crosby 7790 (MO, NICH).

Notes     (Last Modified On 5/1/2009)
general taxon notes:
This species is closely related to Fissidens serratus. However, it is easily separated from the latter by having larger (10–19 µm) and smooth to almost smooth laminal cells.


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15. Fissidens flabellulusThwait. & Mitt.    扇叶凤尾藓 shan-ye feng-wei xian
J. Linn. Soc. Bot. 13: 324. 1873. Type. Sri Lanka (Ins. Ceylon), Thwaites 142 (isotype? NY).
Plants small to very small. Leafy stems 0.7–1.4 mm long, 0.6.–1.2 mm wide, simple to rarely branched, densely foliated; central strand lacking; axillary hyaline nodules more or less differentiated. Leaves in 2‑7 pairs; upper leaves lanceolate to narrowly lanceolate, 0.7–1.2 mm × 0.1‑0.3 mm, acute to narrowly acute at apex, wedge-shaped at base of dorsal laminae; vaginant laminae about 1¤21¤3 the leaf length; costa stout, percurrent to shortly excurrent, often dividing laminae unequally, dorsal side often wider than ventral side at middle of leaves; margins of vaginant laminae more or less distinctly serrate by projecting laminal cells; cells of apical laminae quadrate to hexagonal, 10–17(–19) µm long, slightly mammillose to almost smooth, walls clear, moderately thick-walled; cells at upper part of vaginant laminae similar to those of apical laminae. Rhizoautoicous or autoicous; male inflorescence often terminal on stems; archegonia terminal on stems, 160–170 µm long. Setae 1.6–3.5 mm long; capsules ovoid to shortly cylindrical, erect and symmetrical; urns 0.3–0.5 mm long; exothecial cells quadrate, thin-walled with weakly thickened corners; opercula long conical to rostrate, 0.3–0.4 mm long. Calyptrae campanulate, ca 0.4 mm long, smooth. Spores 11–14 µm in diameter, almost smooth.
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