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Entodon 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 Garden Decrease font Increase font Restore font
 

Published In: Linnaea 18(6): 704–709. 1844[1845]. (Aug-Oct 1845) (Linnaea) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 3/31/2009)
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Notes     (Last Modified On 3/31/2009)
general taxon notes:
Entodon consists of some 120 species in the world; but nearly half of them are not well understood (Crosby et al. 2000). There are 28 species and two varieties that are recognized here, with most species distributed in temperate regions of China. The Chinese records of E. buckii S.-H. Lin, E. giraldii var. longisetus Müll. Hal., E. myurus (Hook.) Hampe, E. myurus var. hokinensis Besch., E. nepalensis Mizush. in Nog., E. punctulatus Thér. & P. de la Varde, E. scabridens Lindb., E. schleicheri (Schimp.) Demet., and E. seductrix (Hedw.) Müll. Hal., cannot be verified at this time.
 
 

 

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1. Entodon Müll. Hal.   绢藓属   juan xian shu
Linnaea 18: 704. 1845.
Cylindrothecium Bruch & Schimp. in B.S.G., Bryol. Eur. 5: 111. 1851, nom. illeg. incl. gen. prior.
 
Plants medium-sized to rather robust, green to yellowish green, glossy, often in dense, complanate mats. Stems prostrate or rarely ascending, regularly or irregularly branched, with short, complanate or julaceous branches. Leaves ovate, elliptical, or ovate-lanceolate, obtuse, acute, or acuminate at apex, concave, not or barely decurrent at base; margins plane or slightly recurved at base, entire or serrulate near apex; costae double, usually short; median leaf cells linear, often shorter at the apex; alar cells quadrate or shortly rectangular, usually in a triangular group, sometimes extending close to the costa at leaf base. Autoicous, rarely dioicous. Perigonia small, bud-like; perigonial leaves broadly ovate, concave, entire or serrate, involute above, ecostate. Perichaetial leaves ovate-lanceolate to lanceolate, usually sheathing at base. Setae elongate; capsules erect, symmetric, cylindrical; opercula long conic-rostrate; annuli developed or absent; peristome double, inserted well below the mouth; exostome teeth linear-lanceolate, cross-striolate or papillose at base; endostome segments linear, as long as or shorter than the teeth; basal membrane low; cilia absent. Calyptrae cucullate, smooth. Spores spherical, roughened to finely papillose.
 

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1. Setae yellowish or yellowish brown; annuli absent............................................................................................... 2
1. Setae reddish, purplish, purplish brown, or dark brown; annuli present (rarely absent).................................. 14
2. Plants robust, often to 10 cm long; leaves 2.9–3.0 mm × 1.9–2.0 mm................................. 22. E. scariosus
2. Plants small or sometimes medium-sized; often less than 5 cm long (rarely to 8 cm long); leaves not more than 2.5 mm × 1.1 mm................................................................................................................................ 3
3. Leaves narrowly ovate-lanceolate, with length vs. width ratio 5 to 1...................................... 12. E. longifolius
3. Leaves ovate or oblong-ovate, with length vs. width ratio 2–3 to 1..................................................................... 4
4. Leaves ecostate; alar cells inflated, protrusive.......................................................................... 7. E. divergens
4. Leaves shortly double costate; alar cells not inflated or protrusive................................................................ 5
5. Leaf apices abruptly narrowed, long acuminate.................................................................. 11. E. kungshanensis
5. Leaf apices acute, obtuse, mucronate..................................................................................................................... 6
6. Leaf apices obtuse or mucronate or nearly so......................................................................... 17. E. obtusatus
6. Leaf apices acute.................................................................................................................................................. 7
7. Endostome segments striolate or papillose throughout; exostome teeth striolate throughout or at least striolate
below, papillose above............................................................................................................................................. 8
7. Endostome smooth; exostome teeth papillose or striolate below...................................................................... 9
8. Endostome segments papillose throughout; exostome teeth vertically or horizontally striolate in basal 2–3 plates, papillose above; leaf margins minutely serrulate.......................................... 8. E. dolichocucullatus
8. Endostome segments striolate vertically throughout; exostome teeth horizontally or vertically striolate in basal 5–6 plates, vertically striolate above; leaf margins distinctly serrulate.................. 14. E. macropodus
9. Exostome teeth both papillose and striolate....................................................................................................... 10
9. Exostome teeth only striolate, not papillose....................................................................................................... 11
10. Endostome teeth clearly shorter than exostome teeth; branch tips somewhat curved; leaves distinctly plicate, concave, often bent at apex.......................................................................................... 18. E. plicatus
10. Exostome teeth and endostome segments in equal length or nearly so; branch tips attenuate; leaves more or less plane or slightly concave, often straight at apex................................................. 28. E. yunnanensis
11. Leaves constricted at base, widest in the middle, obtuse at apex.............................................. 27. E. viridulus
11. Leaves not constricted at base, widest below the middle, acute or slenderly acuminate at apex................. 12
12. Leaf apices slenderly acuminate.............................................................................................. 1. E. acutifolius
12. Leaf apices acute.............................................................................................................................................. 13
13. Leaf margins entire or nearly so at apex................................................................................ 21. E. pylaisioides
13. Leaf margins serrulate at apex................................................................................................ 26. E. taiwanensis
14. Alar regions consisting of 2–4 layers of cells.............................................................................................. 15
14. Alar regions consisting of 1 layer of cells.................................................................................................... 16
15. Alar cells quadrate, usually in 3–4 layers................................................................................. 3. E. caliginosus
15. Alar cells quadrate, usually in 2 layers........................................................................................ 6. E. concinnus
16. Leafy stems and branches complanate........................................................................................................... 17
16. Leafy stems and branches not clearly complanate........................................................................................ 25
17. Exostome teeth papillose above, smooth below; endostome segments smooth.............. 24. E. smaragdinus
17. Exostome teeth and segments papillose throughout........................................................................................ 18
18. Leaves oblong or oblong-ovate, obtuse at apex............................................................................................. 19
18. Leaves ovate or ovate-lanceolate, acute or acuminate at apex..................................................................... 20
19. Median leaf cells 60–65 µm × 5.0–5.5 µm................................................ 4a. E. challengeri var. challengeri
19. Median leaf cells 20–30 µm × 7–10 µm................................................. 4b. E. challengeri var. zikaiweiensis
20. Leaves strongly constricted above the alar regions; median leaf cells 45–55 µm long....................... 16. E. morrisonensis
20. Leaves not constricted above the alar regions; median leaf cells 70–80 µm long..................................... 21
21. Stems less than 2 cm long; branch leaves narrowly ovate-lanceolate......................................... 10. E. giraldii
21. Stems usually 3–10 cm long; branch leaves broadly ovate-lanceolate, ovate, or oblong-ovate................... 22
22. Endostome segments distinctly shorter than the exostome teeth............................................................... 23
22. Endostome segments as long as the exostome teeth.................................................................................... 24
23. Branch leaves ovate-lanceolate, with length vs. width ratio 3 to 1............... 25a. E sullivantii var. sullivantii
23. Branch leaves lanceolate, with length vs. width ratio 5 to 1........................ 25b. E. sullivantii var. versicolor
24. Exostome teeth horizontally striolate in basal 2–3 plates, vertically striolate above..... 2. E. aeruginosus
24. Exostome teeth finely papillose, with papillae arranged in horizontal or oblique rows........................ 5. E. cladorrhizans
25. Leafy branches julaceous; leaves densely imbricate........................................................................................ 26
25. Leafy branches not julaceous; leaves spreading................................................................................................ 27
26. Branch tips attenuate; branch leaves broadly ovate or ovate-lanceolate.......................... 15. E. micropodus
26. Branch tips blunt; branch leaves elliptical............................................................................. 20. E. pulchellus
27. Costae well developed, stout, ca. 1/3–1/2 the leaf length....................................................... 19. E. prorepens
27. Costae slender, short, less than 1/5 the leaf length.......................................................................................... 28
28. Exostome teeth horizontally or obliquely striolate below, vertically striolate above........... 13. E. luridus
28. Exostome teeth papillose, not striolate......................................................................................................... 29
29. Exostome teeth smooth in basal 7–8 plates, coarsely papillose above.................................... 9. E. flavescens
29. Exostome teeth finely papillose, with papillae arranged in rows horizontally or obliquely at base, vertically at the middle, smooth at tips................................................................................................... 23. E. schensianus
 
 
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