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Aerobryopsis 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: Hedwigia 44: 304. 1905. (Hedwigia) 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:
There are about 14 species of Aerobryopsis in the world (Crosby et al. 2000), and four species were listed by Redfearn et al. (1996) for China. Recently, D.-C. Zhang et al. (2003) published two new species and two new records from Yunnan Province. Eight species and one variety are treated in this flora.

 

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2. Aerobryopsis M. Fleisch.   灰气藓属   hui qi xian shu
Hedwigia 44: 304. 1905.
 
Plants medium-sized to robust, grayish green or yellowish green, sometimes blackish, glossy. Primary stems creeping; secondary stems pendulous, loosely or irregularly branched; branches short, obtuse at the apex. Stem and branch leaves similar, sometimes dimorphic, often complanate, obliquely patent, ovate to oblong or cordate below, gradually to rather abruptly narrowed to a long, straight or incurved to twisted apex, often undulate above; margins serrulate above, nearly entire below; costae single, thin, often ending ca. 2/3 the leaf length; leaf cells oval, rhomboidal to linear, evenly thick-walled, sometimes distinctly porose; median cells oval or elliptic, strongly thick-walled, usually unipapillose; apical and basal cells usually smooth; alar cells more or less differentiated, shorter, quadrate; axillary hairs mostly consisting of 4 cells, hyaline. Dioicous. Perichaetia on lateral branches; inner perichaetial leaves often sheathing at the base, short to long acuminate at the apex. Setae elongate, much longer than capsules, somewhat scabrose above; capsules erect or slightly inclined, oblong-ovoid to cylindrical, apophyses distinct; opercula conic, often obliquely rostrate; peristome double; exostome teeth lanceolate, papillose; endostome segments linear, as long as the teeth, perforate; basal membrane low; cilia absent. Calyptrae cucullate, smooth. Spores spherical, finely papillose.
 
 

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1. Stem and branch leaves strongly dimorphic; branch leaf apices acute................................. 2. A. cochlearifolia
1. Stem and branch leaves more or less similar or slightly dimorphic; branch leaf apices acuminate or abruptly narrowed to a slender or ciliate acumen................................................................................................................. 2
2. Leaves broadly ovate at the base, shortly acuminate at the apex........................................ 5. A. subdivergens
2. Leaves ovate to oblong-ovate or oblong-triangular at the base, abruptly or gradually narrowed to slenderly twisted or flexuose apices or short- to long hair-pointed apices..................................................................... 3
3. Leaves oblong-triangular, rather abruptly and shortly acuminate or hair-pointed at the apex; upper leaf cells short-rhomboidal...................................................................................................................................................... 4
3. Leaves oblong-ovate, gradually long acuminate or hair-pointed at the apex; upper leaf cells linear................ 5
4. Branch leaves often abruptly narrowed to a short to long piliferous apex.............................. 1. A. aristifolia
4. Branch leaves usually shortly acuminate and twisted at the apex........................................ 8. A. yunnanensis
5. Leafy stems distinctly complanate; leaves hardly concave; leaf cells 30–35 µm long................ 7. A. wallichii
5. Leafy stems not clearly complanate; leaves concave to strongly concave; leaf cells less than 30 µm long.... 6
6. Stem leaves ca. 3.0 mm long, strongly concave; leaf apices distinctly undulate; leaf cells 20–30 µm long.
.............................................................................................................................................................. 4. A. parisii
6. Stem leaves 2.0–2.5 mm long, slightly concave; leaf apices somewhat undulate; leaf cells 15–20 µm long........................................................................................................................................................................................ 7
7. Leafy stems ca. 1.0 mm wide; stem leaves usually ca. 2 mm long; leaf apices strongly flexuose or crisped...
..................................................................................................................................................... 3. A. membranacea
7. Leafy stems ca. 1.5 mm wide; stem leaves ca. 2.5 mm long; leaf apices slightly flexuose......................... 6. A. subleptostigmata
 
 
 
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