Results 41 to 50 of about 2,054 (190)

ANATOMIA E VASCULARIZAÇÃO DAS FLORES ESTAMINADAS E PISTILADAS DE SMILAX FLUMINENSIS STEUDEL (SMILACACEAE)

open access: yesRodriguésia
RESUMO São apresentados dados sobre a anatomia das flores estaminadas e pistiladas de Smilax fluminensis, objetivando fornecer subsídios que auxiliem na delimitação da espécie.
Rosangela Cristina Occhi Sampaio de Souza   +3 more
doaj   +1 more source

A note on the flowers of Halleria lucida

open access: yesBothalia: African Biodiversity & Conservation, 1977
Studies of sunbirds  (Cinnyris spp.) feeding on the nectar of flowers of  Halleria lucida L. suggest that partial protandry may be operative in the breeding system of this cauliflorous tree.
C. H. Stirton
doaj   +1 more source

Megasporocyte formation in Pisum sativum L. against the back ground of bud development

open access: yesActa Societatis Botanicorum Poloniae, 2014
Megasporocyte formation in Pisum sativum L. takes place at the stages of bud development, when the vexillum surpasses the lower androecium whorl slightly at the beginning, and markedly in further stages.
Wanda Wojciechowska, Teresa Mackiewicz
doaj   +1 more source

FIGURE 2. Chiastocaulon raetzelii. A. Shoot portion, dorsal view. B–C. Shoot portion, ventral view. D–L. Leaves. M. Androecium. N in Chiastocaulon raetzelii (Marchantiophyta, Plagiochilaceae), a new species from New Caledonia

open access: yes, 2021
FIGURE 2. Chiastocaulon raetzelii. A. Shoot portion, dorsal view. B–C. Shoot portion, ventral view. D–L. Leaves. M. Androecium. N. Marginal cells of leaf. O. Cells in upper part of leaf. P. Median cells of leaf. Q. Basal cells of leaf. R.
Thouvenot, Louis, Müller, Frank
core   +1 more source

Dual modulation of toxic risks and functional benefits: How traditional practices enable safe consumption of toxic Rhododendron decorum Franch. in ethnic cuisine

open access: yesFrontiers in Plant Science
IntroductionThe corollas of Rhododendron decorum Franch. have been used as a traditional ethnic food by the Bai nationality in Yunnan, China for centuries, with a well-preserved custom of removing the androecium and gynoecium prior to soaking, drying ...
Yongqian Gao   +7 more
doaj   +1 more source

Developmental Flower and Rhizome Morphology in Nuphar (Nymphaeales): An Interplay of Chaos and Stability

open access: yesFrontiers in Cell and Developmental Biology, 2020
European species of Nuphar are amongthe most accessible members of the basal angiosperm grade, but detailed studies using scanning electron microscopy are lacking. We provide such data and discuss them in the evolutionary context. Dorsiventral monopodial
Elena S. El   +3 more
doaj   +1 more source

Morphological Parameters of the Perianthium and the Androecium in the Subfamilie Dracaenaceae Salisb [PDF]

open access: yes, 2014
Досліджено морфологічні та морфометричні ознаки оцвітини й андроцея в родах Dracaena та Sansevieria для з’ясування можливості використання цих ознак у систематиці родини.
Fishchuk, O. S., Фіщук, О. С.
core  

Remberella , a new genus of extinct ericalean flower from the Middle Miocene Latah flora of Washington and Idaho, USA

open access: yesActa Palaeobotanica
Small pentamerous floral remains commonly encountered in Middle Miocene lake deposits of the Latah Formation of Washington and Idaho, USA, previously assigned to Diospyros , are here shown to represent an extinct genus.
Steven R. Manchester, Walter S. Judd
doaj   +1 more source

First flower inclusion and fossil evidence of Cryptocarya (Laurales, Lauraceae) from Miocene amber of Zhangpu (China) [PDF]

open access: yesFossil Record
Lauraceae have one of the oldest fossil records of angiosperms with the earliest known evidence from the mid-Cretaceous. However, most of these records are based on leaves, especially from the Cenozoic of Asia, which are often challenging to assign to ...
Simon Beurel   +6 more
doaj   +3 more sources

FIGURE. Chamaecrista tocantinensis. A. Flowering branch. B e C. Leaflet. D. Bract. E. Bracteole. F. Bud. G. Flower. H. Sepal. I. Petal. J. Androecium and gynoecium. K. Stamen. L. Gynoecium. M. Fruit. N. Seed. T.P. Mendes & J.A. Oliveira 318 in Taxonomic review of Chamaecrista sect. Absus subsect. Absus ser. Paniculatae (Benth.) H.S. Irwin & Barneby (Leguminosae, Caesalpinioideae)

open access: yes, 2021
FIGURE. Chamaecrista tocantinensis. A. Flowering branch. B e C. Leaflet. D. Bract. E. Bracteole. F. Bud. G. Flower. H. Sepal. I. Petal. J. Androecium and gynoecium. K. Stamen. L. Gynoecium. M. Fruit. N. Seed. T.P. Mendes & J.A.
Mendes, Thainara Policarpo   +2 more
core   +1 more source

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