Results 91 to 100 of about 1,897 (183)

Embryology in Helosis cayennensis (Balanophoraceae): Structure of Female Flowers, Fruit, Endosperm and Embryo

open access: yesPlants, 2019
Helosis cayennensis (Balanophoraceae s.str.) is a holoparasite characterised by aberrant vegetative bodies and tiny, reduced unisexual flowers. Here, we analysed the development of female flowers to elucidate their morpho-anatomy and the historical ...
Ana Maria Gonzalez   +2 more
doaj   +1 more source

Female flowers and systematic position of Picrodendraceae (Euphorbiaceae s.l., Malpighiales) [PDF]

open access: yes, 2006
This is the first comparative study of floral structure of the recently established new family Picrodendraceae (part of Euphorbiaceae s.l.) in Malpighiales. Nine species of eight (out of ca. 28) genera were studied.
Sutter, D Merino   +2 more
core   +1 more source

Floral development and phylogenetic position of Schismatoglottis (Araceae) [PDF]

open access: yes, 2004
In the inflorescence of Schismatoglottis, atypical sterile flowers are present between the male and female zones. Contrary to what occurs in Cercestis and Philodendron, where the atypical flowers are bisexual, in Schismatoglottis the atypical flowers ...
Bruneau, Anne   +4 more
core   +3 more sources

New Insights of Salicylic Acid Into Stamen Abortion of Female Flowers in Tung Tree (Vernicia fordii)

open access: yesFrontiers in Genetics, 2019
Tung tree (Vernicia fordii), an economically important woody oil plant, is a monoecious and diclinous species with male and female flowers on the same inflorescence. The extremely low proportion of female flowers leads to low fruit yield in tung orchards.
Meilan Liu   +16 more
doaj   +1 more source

Fossil flowers and leaves of the Ebenaceae from the Eocene of southern Australia [PDF]

open access: yes, 1985
Numerous flowers and a diverse assemblage of leaves are mummified in clay lenses in the base of the Demons Bluff Formation overlying the Eastern View Coal Measures.
David C. Christophel, James F. Basinger
core   +1 more source

Lily or billy- y the difference? [PDF]

open access: yes, 1998
Most flowering plant species are either hermaphroditic, with flowers that produce both male and female gametes, or monoecious, bearing unisexual flowers of both sexes (see Table 1 for some examples). The meeting highlighted recent research on the variety
Deborah Charlesworth   +3 more
core   +1 more source

Phyllanthus novofriburgensis and P. pedrosae, two new species of Phyllanthus subsect. Clausseniani (Phyllanthaceae) from Southeastern Brazil

open access: yesEuropean Journal of Taxonomy
Phyllanthus novofriburgensis J.C.R.Mendes, J.M.A.Braga & Fraga sp. nov. and P. pedrosae J.C.R.Mendes, J.M.A.Braga & Fraga sp. nov. are new species of Phyllanthaceae described from the Brazilian Atlantic Forest and Brazilian Cerrado, respectively ...
Jone Clebson Ribeiro Mendes   +3 more
doaj   +1 more source

Morphology and Development of Gametophytes and Embryo in Unisexual and Anomalous Bisexual Flowers of Quaking Aspen [PDF]

open access: yes, 2001
Several populations of dioecious quaking aspen (Populus tremuloides Michx.) and four trees with bisexual (perfect) flowers were studied. Flower development in all catkins was acropetal, initiated in winter buds, and completed prior to anthesis.
Tasneem F. Khaleel
core  

The correlation between development of atypical bisexual flowers and phylogeny in the Aroideae (Araceae) [PDF]

open access: yes, 2002
In the intermediate zone of the inflorescence of genera of Aroideae one can find flowers with male and female characteristics. Until now, two types of developmental sequences of atypical bisexual flowers (ABFs) have been recognized: the Philodendron type

core   +1 more source

Nectary Structure and Ultrastructure of Unisexual Flowers of Ecballium elaterium(L.) A. Rich. (Cucurbitaceae) and their Presumptive Pollinators [PDF]

open access: yesAnnals of Botany, 2001
The structure and ultrastructure of the nectaries of the monoecious species Ecballium elaterium were studied. Large differences in size and structure of the nectaries were observed in the two genders of flowers, those of the staminate flowers being much larger and more developed than those of the pistillate flowers. The latter do not secrete measurable
openaire   +1 more source

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