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Comparative studies on gametophyte morphology and development of seven species of Cyatheaceae
Chen, Gui-Ju1,2; Cheng, Xiao1; Liu, Bao-Dong3; Jiao, Yu1
2008-04-01
Source PublicationAMERICAN FERN JOURNAL
ISSN0002-8444
Volume98Issue:2Pages:83-95
AbstractGametophyte morphology and development of seven species of Cyatheacae in China are described. The spores of the seven species are of typical shape (trilete, tetrahedral) and they exhibit Cyathea-type germination. The gametophytes undergo Adiantum-type development with occasional Drynaria-type development. Filaments are usually 2-3 cells long. The normal adult prothalli are cordate and thalloid with prominent cushions in the middle of the two wings. Prothalli are usually bisexual and antheridia form earlier than archegonia. Lingulate, strap-like and branched prothalli easily grow on the crowded improved Knop's agar media, which produce notches late and produce more antheridia. In distilled water, filamentous prothalli only produce antheridia. The shapes of the mature prothalli of Sphaeropteris brunoniana and Alsophila austroyunnanensis are distinct among seven species. Multicellular chlorophyllous hairs appear on dorsal or ventral surfaces in the archegonial region near the notch when the prothallus matures, and the hairs are scaly when they get old. Hairs of the prothallus are like those on the juvenile sporophyte fronds. Vegetative proliferations of old protahlli have been observed.
KeywordCyatheaceae Gametophyte Morphology Development
Subject AreaPlant Sciences
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000257842400004
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/2485
Collection资源植物与生物技术所级重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Bot Garden, Kunming 650204, Yunnan, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Harbin Normal Univ, Coll Life & Environm Sci, Harbin 150025, Heilongjiang, Peoples R China
Recommended Citation
GB/T 7714
Chen, Gui-Ju,Cheng, Xiao,Liu, Bao-Dong,et al. Comparative studies on gametophyte morphology and development of seven species of Cyatheaceae[J]. AMERICAN FERN JOURNAL,2008,98(2):83-95.
APA Chen, Gui-Ju,Cheng, Xiao,Liu, Bao-Dong,&Jiao, Yu.(2008).Comparative studies on gametophyte morphology and development of seven species of Cyatheaceae.AMERICAN FERN JOURNAL,98(2),83-95.
MLA Chen, Gui-Ju,et al."Comparative studies on gametophyte morphology and development of seven species of Cyatheaceae".AMERICAN FERN JOURNAL 98.2(2008):83-95.
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