Floral development of dioecious species and trends of floral evolution in Piper sensu lato
Lei, LG; Liang, HX
1998-07-01
发表期刊BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
卷号127期号:3页码:225-237
摘要The 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.
关键词Piperaceae
学科领域Plant Sciences
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000075095100004
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/3301
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Hunan Normal Univ, Dept Biol, Changsha 410081, Hunan, Peoples R China
2.Acad Sci China, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
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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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