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Published In: Hedwigia 44: 311. ic. 1905. (Hedwigia) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 4/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Macrothamnium javense M. Fleisch. (Figs. 1–17.)
Map: Macrothamnium javense M. Fleisch. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on tree trunks.
Distribution: China, Sri Lanka, Malaysia, the Philippines, and Papua New Guinea.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Xizang: Chen-tang Co., K.-Y. Lang 1137 (PE); Cuo-na Co., S.-G. Wu 5199 (HKAS, IFSBH). Yunnan: Dulongjiang river, Q.-W. Wang 6785 (PE), M.-Z. Wang 9816-d, 10888-c (both in PE); Fu-gong Co., M.-Z. Wang 7013-a (PE); Jin-ping Co., Zong-kao Team GB21 (PE); Jing-dong Co., J.-K. Zhang 793 (YUKU); Mt. Gongshan, Q.-W. Wang 6511 (PE).


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1.  Macrothamnium javense Fleisch.   爪哇南木藓
Hedwigia 44: 311. 1905. Type: Indonesia. Java.
Chaetomitriopsis diversifolia Zant., Nova Guinea, Bot. 10: 316. 1964.
Macrothamnium hylocomioides Fleisch., Nova Guinea 12(2): 125. 1914.
Plants rather robust, up to 10 cm long. Main stems mostly dendroid; new branches arcuate, creeping, with several, small, cuspidate branchlets. Stem leaves spreading when dry, cordate at base, semi-orbicular, concave, ca. 1.5 mm × 1.5 mm, broadly acute or obtuse, apex somewhat reflexed, long and broadly decurrent at base, clasping; margins sharply toothed above; costae double; median leaf cells linear, 30–40 µm × 4–5 mm, thin-walled; basal cells loose; alar cells enlarged, numerous, rectangular or irregular, thin-walled; branch leaves imbricate when dry, ovate or oblong-ovate, broadly acute, ca. 0.65 mm × 0.4 mm; costae indistinct. Inner perichaetial leaves oblong-lanceolate, with a long subulate, reflexed apex, ca. 4 mm long, toothed above, ecostate. Setae ca. 4.5 mm long, twisted; capsules horizontal, oblong-ovoid, ca. 2.7 mm × 1.3 mm; exothecial cells ca. 0.6 mm long; endostome segments as high as the teeth, keeled, perforated; cilia long. Spores 15–20 µm in diameter.


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