桑科
维基百科,自由的百科全书
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桑科 |
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無花果樹(Ficus carica)
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桑科植物包括40个属,超过一千种,广泛分布在热带和亚热带地区,只有少数种能生活在温带地区,中国有16属约160余种。
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形态 [编辑]
本科植物为:
- 落叶或常绿灌木或乔木,有时藤本,組織中具有乳状液汁。
- 叶互生或对生,全缘或分裂,托叶早落。
- 花小,单性同株或异株,常密集成头状、穗状或柔荑状花序,或生于一中空的花序托内面,花被片通常4枚,雄蕊和花被片同数,对生,子房上位或下位,一或两室,每室有胚珠一个。
- 果實各式,或为各自分离的瘦果,如大麻;或為由多数聚生心皮组成的复果,有桑树;或为一种复果,包藏于一肉质、囊状的花托内,如无花果树。
分類 [编辑]
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註解 [编辑]
- ^ Genera of Moraceae tribe Artocarpeae. Germplasm Resources Information Network. United States Department of Agriculture. [2009-03-11].
- ^ Genera of Moraceae tribe Castilleae. Germplasm Resources Information Network. United States Department of Agriculture. [2009-03-11].
- ^ Genera of Moraceae tribe Dorstenieae. Germplasm Resources Information Network. United States Department of Agriculture. [2009-03-11].
- ^ Genera of Moraceae tribe Ficeae. Germplasm Resources Information Network. United States Department of Agriculture. [2009-03-11].
- ^ Genera of Moraceae tribe Moreae. Germplasm Resources Information Network. United States Department of Agriculture. [2009-03-11].
參考資料 [编辑]
- Datwyler, Shannon L. & Weiblen, George D. (2004): On the origin of the fig:Phylogenetic relationships of Moraceae from ndhF sequences. American Journal of Botany 91(5): 767-777. PDF fulltext
- Judd, Walter S.; Campbell, Christopher S.; Kellogg, Elizabeth A.; Stevens, Peter F. & Donoghue, Michael J. (2008): Plant Systematics: A Phylogenetic Approach. Sinauer Associates, Inc. Sunderland, MA.
- Sytsma, Kenneth J.; Morawetz, Jeffery; Pires, J. Chris; Nepokroeff, Molly; Conti, Elena; Zjhra, Michelle; Hall, Jocelyn C. & Chase, Mark W. (2002): Urticalean rosids: Circumscription, rosid ancestry, and phylogenetics based on rbcL, trnL-F, and ndhF sequences. American Journal of Botany 89(9): 1531-1546. PDF fulltext
- Zerega, Nyree J. C.; Clement, Wendy L.; Datwyler, Shannon L. & Weiblen, George D. (2005): Biogroegraphy and divergence times in the mulberry family (Moraceae). Molecular Phylogenetics and Evolution 37(2): 402-416. doi|10.1016/j.ympev.2005.07.004 PDF fulltext
外部链接 [编辑]
| 维基共享资源中相关的多媒体资源:桑科 |