Results 141 to 150 of about 8,181 (302)
Reinstatement of <i>Memecylonelegantulum</i> (Melastomataceae) and recircumscription of <i>Memecylonrostratum</i>, two species endemic to Sri Lanka. [PDF]
Perera A +5 more
europepmc +1 more source
Early evolutionary history of the seed
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman +2 more
wiley +1 more source
One new genus Najas (Hydrocharitaceae) and four new vascular plant records for Kosovo: Lycopodium, Najas and two Cyperus species. [PDF]
Millaku F +3 more
europepmc +1 more source
Die Arbeit behandelt die Verbreitung seltener oder neue Arten und Formen in Rumanien und fuhrt eine fur die Wissenschaft neue Form an (Moenchia mantica (L.) Bartl. f. depauperata f. nova).
openaire +1 more source
ABSTRACT The Amazon Basin is home to the world's greatest terrestrial biodiversity, but many plant groups remain poorly studied. One example is the mycoheterotrophic genus Thismia (Thismiaceae), which is notable for its highly specialized floral morphology and ephemeral life cycles, making it difficult to detect in the field and limiting its ...
Diego Ferreira da Silva +7 more
wiley +1 more source
ABSTRACT Astragalus chamaephaca Freyn is a geographically restricted endemic species of Central Anatolia assigned to sect. Macrosemium Bunge. Detailed micromorphological data for this taxon have remained limited. This study provides a comprehensive account of pollen morphology, pollen viability, seed surface ornamentation, and indumentum characters ...
Fatma Taeb Dişli
wiley +1 more source
Different observers introduce not negligible biases in comparative karyomorphological studies. [PDF]
Peruzzi L +19 more
europepmc +1 more source
A New Species of Myriopus (Heliotropiaceae) From Brazil
ABSTRACT A new species of Myriopus (Heliotropiaceae), Myriopus chrysocalyx J.I.M. Melo & L.G. Sá, hitherto recorded for the Brazilian Northeastern is described and illustrated. Myriopus chrysocalyx can be readily recognized by its branches strigose to villous, and, mainly, for presenting leaf blade chartaceous to subfleshy, congested inflorescences, a ...
José Iranildo Miranda de Melo +1 more
wiley +1 more source
The complete chloroplast genome and phylogenetic analysis of <i>Gymnosphaera andersonii</i> (Cyatheaceae). [PDF]
Li X +5 more
europepmc +1 more source

