{"id":592,"date":"2017-08-21T18:51:44","date_gmt":"2017-08-21T22:51:44","guid":{"rendered":"https:\/\/specialprojects.wlu.ca\/herbarium\/?page_id=592"},"modified":"2025-01-09T09:42:44","modified_gmt":"2025-01-09T14:42:44","slug":"cuscuta-pollen-morphology","status":"publish","type":"page","link":"https:\/\/specialprojects.wlu.ca\/herbarium\/cuscuta-pollen-morphology\/","title":{"rendered":"Cuscuta Pollen morphology"},"content":{"rendered":"

General characteristics of pollen in Cuscuta<\/em><\/a><\/strong><\/p>\n

Pollen grains of Cuscuta<\/em> are 3-zonocolpate, although instances of penta-hexa-\"\"colpate or even 8-zonocolpate grains were observed in some species. Size is only relatively homogenous within major clades of Cuscuta<\/em>. Generally, the species of subg. Monogynella<\/em> have the largest pollen grains, 25\u201337.2 \u00b5m long, while in the remaining subgenera the average is 21 \u00b5m. Supratectal ornamentation typically consists of rounded to acute scabrate processes less than 1\u00b5m, \u00b1 evenly distributed over the pollen surface. Larger supratectal conical spines, > 1\u00b5m, are characteristic of some Monogynella<\/em> species. As with size, pollen shape is similarly a rather plastic character and ranges from prolate to suboblate, however nearly half the species are prolate. Exine sculpture ranges from tectum imperforatum to reticulate, however, tectum imperforatum is most common.  Want more info about diversity and evolution of pollen in Cuscuta<\/em>? Read this article:<\/p>\n

Welsh, M., Stefanovic, S. Costea, M. 2010. Pollen evolution and its taxonomic significance in Cuscuta<\/em> (dodders, Convolvulaceae) Plant Systematics and Evolution 285: 83\u2013101.<\/a><\/p>\n

Cuscuta<\/em> Pollen Morphology<\/strong><\/a> (images)<\/strong><\/p>\n

For pollen of other Convolvulaceae see the Convolvulaceae Pollen Atlas<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

General characteristics of pollen in Cuscuta Pollen grains of Cuscuta are 3-zonocolpate, although instances of penta-hexa-colpate or even 8-zonocolpate grains were observed in some species. Size is only relatively homogenous within major clades of Cuscuta. Generally, the species of subg. Monogynella have the largest pollen grains, 25\u201337.2 \u00b5m long, while in the remaining subgenera the average is 21 \u00b5m. Supratectal ornamentation typically consists of … <\/p>\n

Continue reading “Cuscuta Pollen morphology”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-592","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\r\nCuscuta Pollen morphology - Laurier Herbarium<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/specialprojects.wlu.ca\/herbarium\/cuscuta-pollen-morphology\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Cuscuta Pollen morphology - Laurier Herbarium\" \/>\r\n<meta property=\"og:description\" content=\"General characteristics of pollen in Cuscuta Pollen grains of Cuscuta are 3-zonocolpate, although instances of penta-hexa-colpate or even 8-zonocolpate grains were observed in some species. Size is only relatively homogenous within major clades of Cuscuta. Generally, the species of subg. Monogynella have the largest pollen grains, 25\u201337.2 \u00b5m long, while in the remaining subgenera the average is 21 \u00b5m. 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