Results 21 to 30 of about 996 (149)

Optical structure and function of the white filamentary hair covering the edelweiss bracts

open access: yes, 2007
The optical properties of the inflorescence of the high-altitude ''Leontopodium nivale'' subsp. ''alpinum'' (edelweiss) is investigated, in relation with its submicrometer structure, as determined by scanning electron microscopy.
C. Starr   +15 more
core   +1 more source

Siphonochilus aethiopicus (Zingiberaceae): observations on floral and reproductive biology [PDF]

open access: yes, 1989
A taxonomic revision for the Flora of Southern Africa of Siphonochilus (Zingiberaceae) awaits publication (R.M. Smith, RBG, Edin., pers. comm. to ABC, 1987). In this revision the two southern African species, S. aethiopicus (Schweinf.) B.L.
Gordon-Gray, K.D.   +2 more
core   +2 more sources

A taxonomic revision of Mazus lour. (Scrophulariaceae) in Australasia [PDF]

open access: yes, 1991
Mazus is shown to consist of three species in the Australia-New Zealand region. Mazus pumilio R. Br. of past concepts is shown to consist of two species, M. pumilio S.str. being confined to southeastern Australia and a new species, M. novaezeelandiae, to
Barker, WR
core   +3 more sources

Systématique et biogéographie du genre Lamprothamnium (Characées) Caractéristique des biotopes aquatiques saumâtres [PDF]

open access: yes, 1992
La publication fait le point des connaissances sur le genre Lamprothamnium dans les domaines de la morphologie et du cycle de développement, de l'écologie et des végétations associées, de la répartition des espèces.Toutes les espèces monoïques de ...
Guerlesquin, M.
core   +1 more source

Archangelopsis jagoa, a new species of benthic siphonophore (Physonectae, Rhodaliidae) collected by submersible in the Red Sea [PDF]

open access: yes, 1995
A new species of rhodaliid siphonophore, Archangelopsis jagoa sp, nov., is described from three specimens collected at depths between 250 and 370 m in the Gulf of Akaba, Red Sea, by the submersible JAGO.
Hissmann, Karen   +2 more
core  

In situ morphometric survey elucidates the evolutionary systematics of the Eurasian Himantoglossum clade (Orchidaceae: Orchidinae) [PDF]

open access: yes, 2017
Background and Aims The charismatic Himantoglossum s.l. clade of Eurasian orchids contains an unusually large proportion of taxa that are of controversial circumscriptions and considerable conservation concern.
Bateman, R.M.   +2 more
core   +3 more sources

Morphological variability of phenotypic traits in of oregano samples [PDF]

open access: yes, 2020
The purpose of the research was to study the morphological variability of collection samples of oregano of the Crimean Peninsula. The experiments were carried out in 2016–2018 in the Foothill Zone of Crimea.
Babanina, S.S.   +3 more
core   +1 more source

Comparative Metabolomic and Transcriptomic Analyses Uncover Variation in Pigment Accumulation Profiles in Alpinia hainanensis Bracts

open access: yesHorticulturae
Alpinia hainanensis is a famous flowering herbaceous plant with valuable ornamental value that is distinguished by its brightly colored labellum. A. hainanensis ‘Shengzhen’ has been identified to possess a novel ornamental feature: its inflorescence is ...
Tong Zhao   +3 more
doaj   +1 more source

UTJECAJ FOTOPERIODA, SORATA I BROJA LATERALNIH IZBOJA NA VEGETATIVNI RAST I CVATNJU BOŽIĆNE ZVIJEZDE [PDF]

open access: yes, 2009
The effects of photoperiod and number of lateral shoots on vegetative growth, number of open central clusters, and percentage of fully colored bracts in five poinsettia cultivars were studied.
Gvozden DUMIČIĆ   +3 more
core   +1 more source

Etat actuel des connaissances sur les caractères qualitatifs du cotonnier Gossypium hirsutum L. [PDF]

open access: yes, 1976
A partir de données recueillies dans la bibliographie, Il a été dressé un bilan des connaissances actuelles concernant l'hérédité qualitative chez le cotonnier G. hirsutum.
Cateland, B., Schwendiman, Jacques
core  

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