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Symphysodontella M. Fleisch. 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: Die Musci der Flora von Buitenzorg 3: 688. 1906. (Musci Buitenzorg) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 12/16/2011)
Acceptance : Accepted
Notes     (Last Modified On 12/14/2011)
general taxon notes:
Symphysodontella is a genus of nine species known so far from India, Sri Lanka, Myanmar, Thailand, Vietnam, Malaysia, Indonesia, the Philippines, the Maluku Islands, Celebes, Papua New Guinea, New Caledonia, and numerous islands in Oceania (Magill 1980). In general, the genus appears to have an insular distributional pattern. Three species are known in China.

 

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12. Symphysodontella M. Fleisch.   瓢叶藓属   piao ye xian shu
Musci Buitenzorg 3: 688. 1908.
 
Plants small to rather large, light green, yellowish green, or brownish green, glossy, in gregarious or loose mats. Primary stems prostrate, with sparse rhizoids and scale-like leaves; secondary stems erect or dendroid, with stipe simple, defoliate below, loosely irregularly or bipinnately branched above, more or less frondose, flagelliform branches sometimes present; oval in cross section; central strand absent; paraphyllia none; pseudoparaphyllia present, filamentous. Leaves of secondary stems and mature branches more or less similar, loosely or densely imbricate, ovate to oblong-ovate, elliptical, or ovate-lanceolate, plane or plicate, sometimes concave; acute, acuminate or long subulate at the apex, not decurrent at the base; margins plane to broadly incurved, usually entire or only denticulate near the apex; costae double, short or absent or long and single; upper and median leaf cells long-rhomboidal to linear or sinuate, smooth, often thick-walled and porose; basal cells broader, strongly porose; alar cells usually differentiated, quadrate to shortly rectangular, reddish brown. Gemmae sometimes present. Dioicous, rarely autoicous. Inner perichaetial leaves usually sheathing at the base. Setae short or elongate, 2–3 mm long, smooth or roughened above; capsules immersed or exserted, ovoid to cylindrical; opercula conic, shortly to long-rostrate; annuli generally not developed; peristome double; prostome weak to strong; exostome teeth 16, linear to lanceolate; endostome segments often reduced; basal membrane absent; cilia none. Calyptrae small, mitrate or cucullate, smooth. Spores spherical to irregularly shaped, large, finely papillose.
 
 

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1. Leaves oblong-ovate, shortly acuminate at the apex; costae double............................................ 2. S. siamensis
1. Leaves ovate-lanceolate, long acuminate at the apex; costae single.................................................................... 2
2. Leaves strongly concave; leaf apices firm, nearly entire; setae short, 1.5–2.5 mm long; capsules emergent; prostome strong, on lower 1/3 of the exostome teeth.............................................................. 1. S. parvifolia
2. Leaves slightly concave; leaf apices flexuose, often twisted, serrulate; setae 3–4 mm long; capsules exserted; prostome weak, on lower 1/4 of the exostome teeth (sporophyte features based on Magill 1980)............................ 3. S. tortifolia

 
 
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