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Papillidiopsis (Broth.) W.R. Buck & B.C. Tan 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: Acta Bryolichenologica Asiatica 1: 11. 1989[1990]. (Acta Bryol. Asiat.) Name publication detail
 

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Notes     (Last Modified On 4/1/2009)
general taxon notes:
The genus consists of seven species in the world. Three species are known from China.
 
Papillidiopsis is characterized by the strongly concave leaves with a constricted or “throaty” acumen and a narrow leaf base, unipapillose leaf cells, involute margins, thick-walled alar cells, and smooth perichaetial leaf cells.
 
 

 

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11. Papillidiopsis (Broth.) W. R. Buck & B. C. Tan   拟刺疣藓属   ni ci you xian shu
Acta Bryol. Asiat. 1: 9. 1989 [1990]. Trichosteleum sect. Papillidiopsis Broth., Nat. Pflanzenfam. I(3): 1119. 1908.
 
Plants small to large, in loose mats. Main stems elongate, prostrate; secondary stems irregularly pinnately branched, complanate, often flagelliform; pseudoparaphyllia foliose; axillary hairs with a short, brownish basal cell and 2–3 elongate, hyaline apical cells; central strand absent. Primary stem leaves appressed, ovate-lanceolate, acuminate; branch leaves erect-spreading, often clearly five-ranked, ovate-lanceolate to oblong-lanceolate, strongly concave, narrowed at base, abruptly constricted toward apex, becoming shortly acute, obtusely apiculate, or rarely long-acuminate at apex; margins serrulate, plane, or sometimes slightly recurved above; costae short, double or absent; leaf cells linear or vermiform, becoming shorter, thicker, thick-walled or pitted toward apex, upper cells unipapillose; alar cells inflated, oblong, thin-walled, colored, with smaller, thin-walled cells above the inflated cells. Setae elongate, sometimes slender, reddish, often coarse above, sometimes smooth; capsules small, ovoid, inclined to pendent; exothecial cells clearly collenchymatous; opercula obliquely long-rostrate; annuli none; peristome double; outer surface of the exostome teeth with a zigzag median line, coarsely papillose above, cross-striate below, inner surface trabeculate; endostome segments keel, perforate; basal membrane high; cilia 1–2. Calyptrae cucullate, naked, smooth. Spores medium-size, papillose.
 
 

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1. Leaf apices obtuse to broadly acute............................................................2. P. macrosticta
1. Leaf apices narrowly acute or acuminate............................................................................ 2
2. Leaf apices long acuminate, about 1/5–1/6 the leaf length................................................ 1. P. complanata
2. Leaf apices narrowly acute to shortly acuminate, about 1/8–1/9 the leaf length................. 3. P. ramulina
 
 
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