''Parietales'' is an
order
Order, ORDER or Orders may refer to:
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
s. It is a
descriptive botanical name Descriptive botanical names are scientific names of groups of plants that are irregular, not being derived systematically from the name of a type genus. They may describe some characteristics of the group in general or may be a name already in exis ...
for ''placentae parietales'' (
parietal placentation
Placentation refers to the formation, type and structure, or arrangement of the placenta. The function of placentation is to transfer nutrients, respiratory gases, and water from maternal tissue to a growing embryo, and in some instances to remov ...
) that characterised those plants. Thus it could be used even today (for a taxon above the rank of family). The termination -''ales'' is only coincidentally identical to that appropriate to the rank of order.
The name was used in several
systems
A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and express ...
, such as (
Bentham and Hooker
A taxonomic system, the Bentham & Hooker system for seed plants, was published in Bentham and Hooker's ''Genera plantarum ad exemplaria imprimis in herbariis kewensibus servata definita'' in three volumes between 1862 and 1883.
George Bentham (18 ...
,
Engler and Prantl
One of the prime systems of plant taxonomy, the Engler system was devised by Adolf Engler (1844–1930), and is featured in two major taxonomic texts he authored or co-authored. His influence is reflected in the use of the terms "Engler School" and ...
,
Melchior
Melchior is the name traditionally given to one of the biblical Magi appearing in the Gospel of Matthew. There are many notable people with this name, or close variations.
As a first name
* Melchior Anderegg (1828–1914), Swiss mountain guide
* ...
), and
Wettstein Wettstein is a Swiss surname. Bearers of the name include:
* Carla Wettstein (born 1946), Swiss and Australian chess master
*Fritz von Wettstein (1895–1945), Austrian botanist
*Johann Jakob Wettstein (1693–1754), Swiss theologian
* Johann Rudol ...
, etc. although more recent systems such as the
Cronquist system
The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in a series of monographs and texts, including ''The Evolution and Classification of Flowering Plants'' (1968; 2nd edition, 1988) a ...
preferred the name ''
Violales
Violales is a botanical name of an order of flowering plants and takes its name from the included family Violaceae; it was proposed by Lindley (1853). The name has been used in several systems, although some systems used the name Parietales f ...
''. It persists as the parietal clade of
Malpighiales
The Malpighiales comprise one of the largest orders of flowering plants, containing about 36 families and more than species, about 7.8% of the eudicots. The order is very diverse, containing plants as different as the willow, violet, poinsett ...
.
References
Bibliography
*
*
Historically recognized angiosperm orders
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