MOTS EN ANGLAIS EN RAPPORT AVEC «SPOROPHYLL»
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ˈspɔːrəʊfɪl ·
ˈspɒ ·
definitions ·
noun ·
children ·
including ·
10 LIVRES EN ANGLAIS EN RAPPORT AVEC «SPOROPHYLL»
Découvrez l'usage de
sporophyll dans la sélection bibliographique suivante. Des livres en rapport avec
sporophyll et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Paleobotany and the Evolution of Plants
A. Leclercqia complexa sporophyll showing positions of ligule (1) and sporangial
pad (sp). B. L. complexa single sporophyll with attached sporangium (a). C.
Reconstruction of/,, complexa with sterile and fertile leaves. Middle Devonian.
Wilson Nichols Stewart,
1993
2
A. K. Ghosh Commemoration Volume. Proceedings of the ...
IIoisal side of the sporophyll of Seutum type of fertile organ with thicker and
thinner veins and showing impressions of fertile units ofthe ventral side; the
outline of the Gondwanolepis which covered the fertile organ from the ventral
side is ...
Sharma A. K., Mitra G. C., Banerjee M. (editors)
3
Morphology of Flowers and Inflorescences
Still less in these plants is the development of the sporophyll confined to a
definite and specially demarcated portion of a shoot. Where a clear difference
between the sterile and fertile leaves is encountered, as for example in the Hard
Fern ...
4
Flora of North America: Volume 2: Pteridophytes and Gymnosperms
Scalelike leaves on rhizome incurved; leaf apex bristle-tipped; sporophyll bristle-
tipped. . . . . . . . . . . . . . . . . . . . . 10. Selaginella weatherbiana 12. Scalelike leaves
on rhizome straight; leaf apex acute or obtuse; sporophyll apex acute to obtuse .
Flora of North America Editorial Committee,
1993
5
Illustrated Flora of the Pacific States, Washington, Oregon, ...
... 2.5-12 cm. long, 1-5 cm. broad, rounded or obtuse, sometimes acutish,
translucent when dry, the middle areoles long and narrow, the outer ones
successively shorter, hexagonal, with or without includ_ed yeinlets ; sporophyll
12-30 cm. long, ...
Le Roy Abrams, Roxana Stinchfield Ferris,
1923
distinctly favour the view that a sporophyll is best interpreted as a stalked leaf
with two sterile laminae and an almost sessile, or in some cases a more
obviously stalked, synangium ; the whole sporophyll is characterised by the
possession of a ...
7
Cryptogams: Algae, Bryophyta and Pterldophyta
(A) Position of the sporangium The sporangium in Lycopodium species
originates on the adaxial side of the sporophyll very near its axil. This position
may be held or the sporangia may shift during ontogeny and become situated at
maturity on ...
8
Fossil Plants: A Text-Book for Students of Botany and Geology
distinctly favour the view that a sporophyll is best interpreted as a stalked leaf
with two sterile laminae and an almost sessile, or in some cases a more
obviously stalked, synangium; the whole sporophyll is characterised by the
possession of a ...
(ii) Cones stalked, sporophyll ends glaberate, pinnae attached near the edges of
the rachis, frond base with long hairs and glands proximal end of sporophyll with
spine. Macrozamia (iii) Cones sessile, sporophyll end truncate Encephalartos ...
10
A Field Guide to Ferns: And Their Related Families : ...
X. Doisyleaf Grope Fern Marginalia: Daisyleaf Grape Fern: a. Leaf. b. Sporophyll.
Dwarf Grape Fern: c. Leaf and sporophyll. Triangle Grape Fern: d. Leaf and
sporophyll. e. Leaf enlarged. Diagnostic Arrows: 1. Leaf close to clustered
sporophyll ...
2 ACTUALITÉS CONTENANT LE TERME «SPOROPHYLL»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
sporophyll est employé dans le contexte des actualités suivantes.
Conifer seed fossils caught learning helicopter flight
The researchers found that the single-winged seeds, and the seeds with one large and one small wing, seemed to develop only on the outermost sporophylls ... «New Scientist, mars 15»
Slimy Harvest
It's quite distinctive because it's got this sporophyll area down the bottom there and come August through to November, there's just tonnes of it along the coast ... «ABC Local, mai 14»