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!!Haplocladium (Müll. Hal.) Müll. Hal. Search in The Plant ListSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Nuovo Giornale Botanico Italiano, Nuova Serie 4: 276. 1897. (Jul 1897) (Nuovo Giorn. Bot. Ital., n.s.) Name publication detail
 

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Notes     (Last Modified On 3/30/2009)
general taxon notes:
Haplocladium is closely related to Thuidium, but differs from the latter by its small, simple pinnately branched stems with fewer paraphyllia, somewhat differentiated stem and branch leaves, and unipapillose or projecting leaf cells.
 
The species of Haplocladium often occur under shady, moist grasses, rocks, rotten logs, and tree trunks. The genus is usually confined to low elevation near 1000 m. There are about 15 species of Haplocladium in the world, and five species are found in China. Recently, Y.-M. Fang and Koponen (2001) reported H. perparaphyllum Watan. from China, but we have not had an opportunity to study the specimens.
 
 

 

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7. Haplocladium C. Müll. 小羽藓属 xiao-yu xian shu
Hedwigia 38: 149. 1899.
Bryohaplocladium R. Watan. & Z. Iwats., J. Jap. Bot. 56: 259. 1981.
 
Plants rather slender to medium-sized, yellowish green, brownish green or light green, in loose interwoven mats or mixed with other mosses. Stems creeping, nearly pinnately or irregularly branched; paraphyllia sparse or numerous, variable in shape; central strand present. Stem leaves and branch leaves somewhat differentiated, revolute or slightly secund when dry, erect-spreading when moist; stem leaves plicate, ovate, toward a lanceolate apex; margins plane or slightly revolute; costa single, percurrent to excurrent; leaf cells irregularly quadrate or rhomboidal, walls equally thickened, unipapillose or projecting at upper ends; branch leaves rather small and narrow. Autoicous. Inner perichaetial leaves oblong-ovate, with a narrow lanceolate apex, pale green. Setae slender, smooth, reddish brown; capsules ovoid to cylindrical, horizontal or inclined, contracted below the mouth, stomata developed; annuli present; opercula conical, shortly beaked; exostome teeth yellowish or yellowish brown; endostome segments well developed; cilia 2–3, nodulose. Calyptrae smooth. Spores medium-sized, papillose.
 

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1. Stem leaves broadly ovate at the base, gradually tapering to a lanceolate apex............................ 2
1. Stem leaves ovate at the base, widely and shortly lanceolate at apex............................................3
2. Leaf cells projecting at the upper ends......................................................1. H. angustifolium
2. Leaf cells unipapillose..............................................................................4. H. microphyllum
3. Paraphyllia numerous on stems and branches; the apex of branch leaves short and acute....... 5. H. strictulum
3. Paraphyllia sparse on stems and branches; the apex of branch leaves usually lanceolate............. 4
4. Paraphyllia mostly filamentous....................................................................2. H. discolor
4. Paraphyllia foliose, often branched.............................................................3. H. larminatii
 
 
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