Results 81 to 90 of about 3,392 (247)

A new type of Kranz anatomy in Asteraceae [PDF]

open access: yes, 2003
Fil: Peter, Guadalupe. Departamento de Biología, Bioquímica y Farmacia; Universidad Nacional del Sur; Bahia BlancaFil: Katinas, Liliana.
Katinas, Liliana, Peter, Guadalupe
core  

Padrão de venação de Psychotria ipecacuanha) (Brot.) Stokes - (Rubiaceae). [PDF]

open access: yes, 2014
Poaia ou ipeca (Psychotria ipecacuanha (Brot.) Stokes.-Rubiaceae) apesar de seu valor farmacológico e sócio-econômico é cada vez menos freqüente no seu habitat.
ANDRADE, C. R. S.   +2 more
core  

Novidades taxonômicas em Aldama (Asteraceae-Heliantheae)

open access: yesRodriguésia, 2014
Estudos recentes de dados moleculares evidenciaram que as espécies sul-americanas tradicionalmente tratadas em Viguiera Kunth deveriam ser transferidas para Aldama La Llave.
Mara Angelina Galvão Magenta   +1 more
doaj  

Novos táxons e combinações em Viguiera (Asteraceae - Heliantheae)

open access: yesRodriguésia
Resumo O gênero Viguiera Kunthestá representado por 35 espécies no Brasil. O presente estudo apresenta quatro novas espécies e três novas combinações de Viguiera ocorrentes no país.
Mara Angelina Galvão Magenta   +2 more
doaj   +1 more source

morphology [PDF]

open access: yes
We present a cladistic analysis of all the species of Smallanthus. Six taxa within Rumfordia, Ichthyothere, Acanthospermum and Tridax served as outgroups.
Jessica N. Viera Barreto   +1 more
core  

Cassini's Compositae genera: A nomenclatural and taxonomic assessment [PDF]

open access: yes, 2010
Work on the Global Compositae Checklist has highlighted uncertainties and errors in the nomenclatural parameters of many genera and subgenera described by Henri Cassini. Problems concern rank (subgenus vs. genus); type designation; correct place of valid
Flann, C.M., Greuter, W., Hind, D.J.N.
core  

Progress and bottlenecks in the early domestication of the perennial oilseed Silphium integrifolium, a sunflower substitute [PDF]

open access: yes, 2018
Silflower (Silphium integrifolium Michx.) is in the early stages of domestication as a perennial version of oilseed sunflower, its close relative. Grain crops with deep perennial root systems will provide farmers with new alternatives for managing soil ...
Crews, Timothy E.   +6 more
core   +2 more sources

Some aspects of seed production and the evaluation of herbicides for tuber production of the Hammett "Figaro" series semi-dwarf dahlia : a thesis presented in partial fulfillment of the requirements for the degree of Master of Horticultural Science in Seed Technology at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 1997
Seed yield and quality information was collected from 14 clones of a double flowering semi-dwarf (0.75-1m) bedding Dahlia series, bred by Dr Keith Hammett of Auckland, in the 1994-95 season at Palmerston North.
Southward, Robert Charles
core  

Notes on the Asteraceae of Sumatera [PDF]

open access: yes, 2002
An account of the tribe composition, endemic taxa, comparison with adjacent areas and weedy Asteraceae of Sumatera is given. Based on the records of January 2000, there are 133 species of 74 genera in 11 tribes.
TJITROSOEDIRDJO, S. S. (SRI)
core   +1 more source

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