Results 31 to 40 of about 309 (135)

Seed morphology of the native species of the genus Ribes L. Part 2. The characteristics of individual species

Acta Societatis Botanicorum Poloniae, 2014
In this work the results of studies on the seed morphology of 6 native species of the genus Ribes L.: R. uva-crispa L., R. nigrum L., R. alpinum L., R. petraeum Wulfen, R. rubrum L. and R. spicatum Robson are presented.
Dorota Wrońska-Pilarek
doaj   +1 more source

Desenvolvimento da semente de Chrysophyllum gonocarpum (Mart.&Eichl.) Engl. (Sapotaceae) [PDF]

, 2010
O objetivo deste trabalho foi descrever o desenvolvimento do embrião, endosperma e tegumento da semente de Chrysophyllum gonocarpum (Mart. & Eichl.) Engl. O rudimento seminal é hemítropo. O desenvolvimento do embrião é do tipo Cariofiláceo e o endosperma
Nogueira, Antonio Carlos, Moço, Maria Cecília de Chiara, Grossi, Fernando, Felippi, Marciele   +3 more
core   +1 more source

Morfoanatomia e ontogênese das sementes de espécies de Banisteriopsis C.B. Robinson e Diplopterys A. Juss. (Malpighiaceae) Morphology, anatomy and ontogeny of the seeds of Banisteriopsis C.B. Robinson and Diplopterys A. Juss. (Malpighiaceae) species

Acta Botânica Brasílica, 2008
Banisteriopsis e Diplopterys apresentam em conjunto aproximadamente 100 espécies e ocorrem em todo o continente americano, especialmente na América do Sul.
Letícia Silva Souto, Denise Maria Trombert Oliveira   +1 more
doaj   +1 more source

Fruit ontogenesis in Clusia parviflora Humb. & Bonpl. ex Willd. (Clusiaceae) Ontogênese do fruto de Clusia parviflora Humb. & Bonpl. ex Willd. (Clusiaceae)

Acta Botânica Brasílica, 2009
Aspects of the morpho-anatomy of developing fruits and seeds of Clusia parviflora are presented and discussed as a continuation of the study of these organs in Clusiaceae.
Káthia Socorro Mathias Mourão, Juliana Marzinek   +1 more
doaj   +1 more source

Anatomía de la semilla de cuatro especies mexicanas de Hippocratea (Celastraceae)

Botan‪ical Sciences, 1994
Se estudió la morfología y, mediante microscopía fotónica, la anatomía de semillas maduras de H. acapulcensis, H. celastroides, H. excelsa y H. volubilis.
Ma. Guadalupe Espinosa-Osornio, E. Mark Engleman   +1 more
doaj   +1 more source

Dismantling the genus Tarenna (Rubiaceae: Pavetteae) in Africa and Madagascar, with the description of three new genera

TAXON, Volume 75, Issue 1, February 2026.
Abstract As presently circumscribed, the Paleotropical genus Tarenna, belonging to the tribe Pavetteae (Rubiaceae), comprises about 200 species and has its centres of diversity in tropical Asia and Africa. Previous molecular phylogenetic studies of the tribe revealed the polyphyly of Tarenna, suggesting that the genus needs to be recircumscribed ...
Petra De Block, Sylvain G. Razafimandimbison, Franck Rakotonasolo, Steven B. Janssens   +3 more
wiley   +1 more source

Scanning electron microscopy of seed coat or pericarp in control and passed seeds.

, 2019
A–E. Elatine hungarica. A–B. Control seeds. A. General morphology. B. Seed coat anatomy. C–E. Passed seeds are virtually unaffected. C. General morphology; note feces adhering to pitted endotesta. D. Surface of endotesta cells showing minute pores in the
Levente Laczkó (8157360), Hiba El Miari (8157357), Ádám Lovas-Kiss (4457383), Réka Fekete (6730610), Andy J. Green (153707), Mihai Costea (4486933), Attila V. Molnár (3322950)   +6 more
core   +1 more source

Seed fossil record of Solanaceae revisited

TAXON, Volume 75, Issue 1, February 2026.
Abstract The fossil record for Solanaceae has a complex taxonomic history, with many species originally described in the family being subsequently shown to belong in other plant families. In this work, we present an in‐depth analysis of the nightshade seed fossil record, which corresponds to the largest amount of fossil material for the family.
Rocío Deanna, Aleksej Vladimirovič Hvalj, Edoardo Martinetto, Sandra Knapp, Eva‐Maria Sadowski, Steven Manchester, Abel Campos, Vincent Fernandez, Gloria E. Barboza, Hervé Sauquet, Ellen Dean, Tiina Särkinen, Franco Chiarini, Gabriel Bernardello, Stacey D. Smith   +14 more
wiley   +1 more source