Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Joan W. Nowicke"'
Publikováno v:
Review of Palaeobotany and Palynology. 110:1-66
This is the third paper of an extensive study of pollen morphology and exine structure of Acalyphoideae (Euphorbiaceae) following the most recent system of Webster. Pollen from 120 collections representing 96 species and 30 genera is described and il
Autor:
Joan W. Nowicke, Jun Wen
Publikováno v:
American Journal of Botany. 86:1624-1636
Pollen of ten species of Panax and six species of Aralia was examined in light microscopy and scanning and transmission electron microscopy. Grains of both genera have similar complex apertures, short columellae, and overlapping tectal sculptures, su
Publikováno v:
Review of Palaeobotany and Palynology. 105:1-62
This is the second paper of an extensive study of pollen morphology and exine structure of Acalyphoideae (Euphorbiaceae) following the most recent system of Webster. Part 2 describes the pollen of 30 genera assigned to tribes Agrostistachydeae, Chroz
Publikováno v:
Grana. 34:282-290
As part of an extensive study of pollen of Euphorbiaceae that combines transmission electron microscopy with scanning electron microscopy, distinctive exines are reported and documented for certain Acalyphoideae. Cheilosa and Neoscortechinia, which c
Autor:
Lynn J. Gillespie, Joan W. Nowicke
Publikováno v:
Acta Botanica Gallica. 141:131-139
Summary Pollen morphology of the gymnosperm Gnetum was studied to determine its systematic significance. Pollen is spheroidal, inaperturate and spinose or spinulose. Two distinct types are found in the genus, with Asian species characterized by one t
Autor:
Muriel E. Poston, Joan W. Nowicke
Publikováno v:
American Journal of Botany. 80:689-704
Autor:
James S. Miller, Joan W. Nowicke
Publikováno v:
American Journal of Botany. 77:543-551
The close relationship between two monotypic genera, Lepidocordia from northern South America, and Antrophora from Central America, is reevaluated in light of numerous recent collections. It was discovered that Lepidocordiapunctata andAntrophora will
Autor:
Joan W. Nowicke
Publikováno v:
Caryophyllales ISBN: 9783642782220
The pollen characteristic that links all the betalain families (Mabry 1976), Aizoaceae, Amaranthaceae, Basellaceae, Cactaceae, Chenopodiaceae (including Dysphania), Didiereaceae, Halophytaceae, Nyctaginaceae, Phytolaccaceae s.1., Portulacaceae and St
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46cc710666e543dc92ec7c433d076630
https://doi.org/10.1007/978-3-642-78220-6_8
https://doi.org/10.1007/978-3-642-78220-6_8
Autor:
James S. Miller, Joan W. Nowicke
Publikováno v:
Plant Systematics and Evolution ISBN: 9783709190814
The subfam. Cordioideae comprises three genera: Auxemma (2 spp.), Cordia (c. 300 spp.), and Patagonula (2 spp.). Pollen of 47 species was examined in LM and SEM, and a selected group in TEM. Auxemma and Patagonula are 3-colporate and variously rugulo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ecdc8fdeab5a70c579bbc8112eeffc5
https://doi.org/10.1007/978-3-7091-9079-1_9
https://doi.org/10.1007/978-3-7091-9079-1_9
Autor:
Joan W. Nowicke
Publikováno v:
Systematic Botany. 21:187