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Calymperaceae Kindb. Search in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

Publicado en: Genera of European and North American Bryineae (Mosses) 11. 1897. (Gen. Eur. N.- Amer. Bryin.) Name publication detail
 

Datos del Proyecto Nombre (Last Modified On 2/20/2009)
Aceptación : Accepted
Datos del Proyecto     (Last Modified On 3/11/2009)
General Reference:

Notas     (Last Modified On 3/11/2009)
general taxon notes:

 

The Calymperaceae are closely allied with the Pottiaceae; no single character or combination of characters uniformly separates the two families (Reese & Zander 1988).
Only the genera traditionally assigned to the Calymperaceae—Calymperes, Mitthyridium (syn. Thyridium), and Syrrhopodon—are included in this treatment of the Chinese Calymperaceae. Mosses belonging to subgenus Pseudocalymperes (syn. Calymperopsis), which is sometimes recognized at the generic level, are here included in Syrrhopodon.
The most comprehensive information on Chinese Calymperaceae is summarized in P.-C. Chen (1963), P.-J. Lin (1984, 1996), P.-J. Lin and Reese (1988), Redfearn et al. (1996), Reese and P.-J. Lin (1991), and L. Zhang et al. (1999). Additional references germane to the Calymperaceae of China include Akiyama and Reese (1993), Eddy (1990), Menzel and Schultze-Motel (1990), and Reese and Stone (1995).
 
Thirty-one taxa of the Calymperaceae are known from China, including 11 taxa of Calymperes, 2 of Mitthyridium, and 18 of Syrrhopodon.

 

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CALYMPERACEAE 
花叶藓科  hua-ye xian ke
by William D. Reese and Lin Pang-Juan
 
Plants small to robust, tufted to gregarious, usually growing on trees and logs, sometimes on rocks or soil. Stems mostly erect, but typically repent and with ascending-erect branches in Mitthyridium and rarely in Syrrhopodon, stems very short in some taxa and plants then with stemless appearance. Rhizoids mostly scanty, brown to red or dark red or purple. Leaves crowded, sheathing at base, axillary hairs mostly inconspicuous; leaf margins mostly thickened, often toothed, bordered with elongate hyaline cells in Mitthyridium and some Syrrhopodon, thickened border often enclosing stereid cells; costa strong, convex on back, often papillose or spinose on one or both sides, ending near apex to excurrent, frequently with clusters of gemmae at tip; cells of upper laminae green, mostly isodiametric, smooth to papillose; lower laminae including conspicuous (typically) fields of enlarged, internally and externally porose, hyaline cells (cancellinae); intramarginal files of differentiated cells (teniolae) present in leaves of some Calymperes and (rarely) Syrrhopodon; gemmiferous leaves often (sometimes strongly) differentiated from vegetative leaves; gemmae common, uniseriate, fusiform to clavate to filamentous, borne exclusively on leaves. Primarily dioicous, rarely monoicous. Perigonia axillary, bud-like; perichaetia terminal but soon overtopped. Perichaetial leaves reduced but otherwise not or only somewhat differentiated. Setae straight, mostly elongate but very short in some Syrrhopodon; capsules cylindric; annuli lacking; opercula rostrate; peristome lacking, or present and of 16 jointed smooth or papillose teeth, often reduced and imperfect. Calyptrae cucullate and deciduous, or enveloping the capsule, persistent, and opening by vertical slits, rarely very small and mitrate. Spores small, mostly roughened.
 

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1. Plants with sporophytes................................................................................2
1. Plants lacking sporophytes.............................................................................4
2. Calyptrae persistent, with vertical slit-like openings, twisted around seta proximal to capsule; peristome lacking..................................................................1. Calymperes
2. Calyptrae cucullate, deciduous, lacking slit-like openings; peristome present or lacking......................... 3
3. Stems more or less repent-creeping, with ascending-erect branches; leaves conspicuously bordered with elongate hyaline cells, border often broad, unistratose............................................................. 2. Mitthyridium
3. Stems mostly erect, neither creeping nor with erect branches; border of hyaline cells present or lacking, if present then narrow and multistratose, sometimes incomplete ............................................... 3. Syrrhopodon
4. Upper laminae bordered, at least in part, with elongate hyaline cells.......................5
4. Upper laminae lacking elongate hyaline marginal cells.......................................... 6
5. Stems more or less repent-creeping, with ascending-erect branches; leaf border of hyaline cells conspicuous, often broad, unistratose, complete or nearly so.................................................. 2. Mitthyridium
5. Stems mostly erect, lacking erect branches; leaf border of hyaline cells narrow, multistratose, sometimes more or less lacking along part of the margin on some or most leaves................................... 3. Syrrhopodon
6. Leaves with intramarginal files of differentiated cells (teniolae) at least at the shoulder region (teniolae difficult to see due to tuberculosities in Calymperes strictifolium)............................. 1. Calymperes p.p.
6. Teniolae lacking..........................................................................................7
7. Leaves narrowly long-linear; cells of upper laminae more or less transversely elongate...........1. Calymperes p.p.
7. Leaves linear to oblong or variously lanceolate-acuminate; cells of upper laminae mostly isodiametric (sometimes more or less transversely elongate in Calymperes fasciculatum)............................................... 8
8. Leaves essentially entire at shoulders..........................................1. Calymperes
8. Leaves toothed to ciliate at shoulders..........................................3. Syrrhopodon
 
 
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