Floral development of dioecious species and trends of floral evolution in Piper sensu lato
Lei, LG; Liang, HX
1998-07-01
Source PublicationBOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
Volume127Issue:3Pages:225-237
AbstractThe initiation of the floral parts (mainly stamens and carpels) is described for the four dioecious species of Piper: Piper polysyphorum C. DC., P. bavinum C. DC., P. pedicellatum C. DC., P. pubicatulum C. DC. The initiation order resembles that in the perfect flowers of some species, such as P. amalago. The carpels are initiated simultaneously, in most cases: as three primordia. In P. polysyphorum, carpel tips split into two lobes, so that finally a four- or five-lobed stigma will be formed when the ovary is fully developed. The staminodes (exactly, staminodial primordia) in the female flowers are initiated in the same order as the stamens in the male flowers and remain until the ovaries are enclosed. The unisexual flowers have stamens reduced to three or two. The reduction of stamen or staminode (staminodial primordium) number is accompanied by the change of their positions from opposite the carpels to alternate. After the initiation of the staminodes, or, exactly staminodial primordia, in the female flowers, the central part of the floral apex forms a ring meristem which is triangular. The carpel primordia (often three) are initiated on the three points of the ring meristem. The evolutionary trends of the flowers of Piper sensu lato are discussed. (C) 1998 The Linnean Society of London.
KeywordPiperaceae
Subject AreaPlant Sciences
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000075095100004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/3301
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Hunan Normal Univ, Dept Biol, Changsha 410081, Hunan, Peoples R China
2.Acad Sci China, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Lei, LG,Liang, HX. Floral development of dioecious species and trends of floral evolution in Piper sensu lato[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,1998,127(3):225-237.
APA Lei, LG,&Liang, HX.(1998).Floral development of dioecious species and trends of floral evolution in Piper sensu lato.BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,127(3),225-237.
MLA Lei, LG,et al."Floral development of dioecious species and trends of floral evolution in Piper sensu lato".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 127.3(1998):225-237.
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