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Pottia Ehrh. ex Fürnr. 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
 

Publicado en: Flora 12(2) Erganzungsblatter: 10. 1829. (Flora) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Datos del Proyecto Nombre (Last Modified On 3/13/2009)
Aceptación : Accepted
 

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23. Pottia (Reichenb.) Fuernr.    丛藓属 cong xian shu
Flora 12(2 Erg.): 10. 1829.
 
Plants small, 3–6(–10) mm high, in dense tufts. Stems very short, erect, simple, rarely branched; central strand present. Leaves often crowded at the stem tips, ovate to oblong-ovate, or elliptic, ligulate, apiculate to shortly awned, rarely rounded-obtuse at the apex; margins plane or slightly incurved, usually entire, sometimes crenulate to serrulate above; costa percurrent to shortly excurrent; in cross section with only dorsal stereid band; upper leaf cells quadrate to hexagonal, pluripapillose on both sides, rarely smooth; basal cells rectangular, smooth. Dioicous or autoicous. Perichaetial leaves similar to stem leaves. Setae elongate or short; capsules ovoid or obovoid, mostly exserted; annuli present or absent; opercula conic-rostrate, shortly apiculate to rostrate, sometimes persistent with columella; peristome teeth absent or rudimentary, or rarely consisting of 16 irregularly 2–3 forked, perforate teeth. Calyptrae cucullate, smooth. Spores spherical, yellowish brown, papillose.
 
 

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1. Leaf margins plane; the mouth of capsules widely open, capsules ovoid; peristome teeth absent; opercula persistent with columella................................................................................................................ 3. P. truncata
1. Leaf margins incurved; the mouth of capsules narrowed, capsules constracted, obovoid; peristome teeth present; opercula falling apart from columella.................................................................................................. 2
2. Leaves broadly ovate; peristome teeth rudimentary, very short........................................ 1. P. intermedia
2. Leaves rounded obovate; peristome teeth elongate, linear-lanceolate.............................. 2. P. lanceolata
 
 
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