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Splachnum Hedw. 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 Garden Decrease font Increase font Restore font
 

Published In: Species Muscorum Frondosorum 51–56, pl. 8. 1801. (Sp. Musc. Frond.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 3/16/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/16/2009)
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Notes     (Last Modified On 3/16/2009)
general taxon notes:
The genus Splachnum consists of 10, more or less well understood species (Crosby et al. 2000) in the world. Five species and one variety are recognized in China.

 

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1. Splachnum Hedw.   壶藓属   hu xian shu
Sp. Musc. Frond. 51. 1801.
 
Plants small to rather robust, deeply green to yellowish green, gregarious, in loose or dense tufts. Stems usually soft, but generally erect, sparsely foliate, simple or branched, with dense reddish brown rhizoids at base. Leaves soft, somewhat flexuous-contorted when dry, lower stem leaves smaller, reddish, upper stem leaves larger and crowded, usually differentiated from the lower leaves, obovate, often constricted at base, broader at middle, acute or acuminate at apex; margins plane, entire or serrate; costa ending in or below leaf apex; leaf cells lax, pale, smooth, thin-walled. Autoicous or dioicous. Perigonia large, cupulate. Perichaetial leaves scarcely differentiated from stem leaves. Setae elongate, slender, erect; capsules small, with subcylindrical urns, brownish, apophyses inflated, much broader than the urns, delicate, globose, pyriform or turbinate, becoming skirtlike or umbrellalike when mature, reddish purple or yellowish; opercula convex, usually umbonate or bluntly apiculate; annuli lacking; columella exserted outside capsule mouth when operculum falling; peristome teeth in pairs, lanceolate, united at base, reflexed when dry, inflexed when moist, densely and minutely papillose. Calyptrae small, conic-mitrate, split on one side. Spores 8–12 µm in diameter, yellowish, smooth.
 
 

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1. Apophyses greatly expanded, umbrellalike or skirtlike, smooth when dry..........2
1. Apophyses not greatly expanded, globose or turbinate to narrowly pyriform, wrinkled when dry................... 3
2. Apophyses umbrellalike or nearly discoid, yellow....................2. S. luteum
2. Apophyses skirtlike, purple............................................3. S. rubrum
3. Apophyses spherical or narrowly pyriform, not much broader than the urns.......................... 4. S. sphaericum
3. Apophyses turbinate or globose, much broader than the urns, pink or pale purple............................................ 4
4. Leaf margins entire or indistinctly crenate.....................5. S. vasculosum
4. Leaf margins deeply spinose-dentate in the upper half.................... 5
5. Plants (1–)2–4 cm high; setae 5–6 cm long............................................ 1a. S. ampullaceum var.ampullaceum
5. Plants 1–2 cm high; setae 2–3(–4) cm long............................................... 1b. S. ampullaceum var. brevisetum
 
 
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