红桑 (桑属)

红桑Morus rubra;英语:red mulberry)是桑属的一种落叶乔木,原产于北美洲中东部[1]。它现在常见于美国,但在加拿大是一种濒危植物[2][3]。它可与白桑杂交。[4]

红桑
科学分类 编辑
界: 植物界 Plantae
演化支 维管植物 Tracheophyta
演化支 被子植物 Angiosperms
演化支 真双子叶植物 Eudicots
演化支 蔷薇类植物 Rosids
目: 蔷薇目 Rosales
科: 桑科 Moraceae
属: 桑属 Morus
种:
红桑 M. rubra
二名法
Morus rubra
L. 1753

形态

红桑高度在10—15米(33—49英尺)之间,很少超过20米(66英尺),树干直径在50 cm(20英寸)左右。叶互生,长7—18 cm(2.8—7.1英寸) ,宽8—12 cm(3.1—4.7英寸)。其叶片正面比白桑叶粗糙得多,叶底有绒毛[5][6]

参考文献

  1. ^ Morus rubra. County-level distribution map from the North American Plant Atlas (NAPA) (Biota of North America Program (BONAP)). 2014. 
  2. ^ Wunderlin, Richard P. Morus rubra . Flora of North America (FNA) 3 (Missouri Botanical Garden) –通过eFloras.org. 
  3. ^ Ambrose, J. D., & Kirk, D. (2004). National Recovery Strategy for Red Mulberry (Morus rubra L.). Ontario Ministry of Natural Resources, Guelph, Ontario, Canada
  4. ^ Burgess, K. S.; Morgan, M.; Deverno, L.; Husband, B. C. Asymmetrical introgression between two Morus species (M. alba, M. rubra) that differ in abundance (PDF). Molecular Ecology (University of Toronto, Barrett Lab). 2005, 14 (17): 3471–3483 [2019-10-01]. PMID 16156816. doi:10.1111/j.1365-294X.2005.02670.x. (原始内容 (PDF)存档于2008-02-21). 
  5. ^ M. P. Nepal* and D. J. Wichern, "Taxonomic Status Of Red Mulberry (Morus Rubra, Moraceae) At Its Northwestern Boundary", Proceedings of the South Dakota Academy of Science, Vol. 92 (2013), p. 19 ff., http://sdaos.org/wp-content/uploads/pdfs/2013/19-29.pdf页面存档备份,存于互联网档案馆), accessed July 2019
  6. ^ Farrar, J.L. (1995). Trees in Canada. Fitzhenry and Whiteside/Canadian Forest Service, Markham, Ontario.

外部连接