''Crowea'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of small evergreen shrubs in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Rutaceae
The Rutaceae is a family, commonly known as the rue[RUTACEAE](_blank)
in BoDD – Botanical Der ...
, sometimes known as waxflowers. There are three
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
and many
subspecies and
cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...
s, all of which are popular as
ornamentals because of their abundant, attractive
flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanism ...
s which often occur during autumn and winter. ''Crowea'' species are all endemic to
Australia, where they occur in
Victoria,
New South Wales
)
, nickname =
, image_map = New South Wales in Australia.svg
, map_caption = Location of New South Wales in AustraliaCoordinates:
, subdivision_type = Country
, subdivision_name = Australia
, established_title = Before federation
, es ...
and
Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to ...
.
Description
Croweas are evergreen shrubs to about 1.5 m tall. The leaves are simple,
glabrous
Glabrousness (from the Latin '' glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part o ...
and, as with other members of the Rutaceae, have oil glands and are aromatic.
The flowers occur singly in the axils of the
leaves, are pink and star-shaped have five
petal
Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corolla''. Petals are usuall ...
s, five
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined ...
s and ten
stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filam ...
s in two rings around the ovary. ''Crowea'' are closely related, and the flowers similar in appearance to those of other member of the family
Rutaceae
The Rutaceae is a family, commonly known as the rue[RUTACEAE](_blank)
in BoDD – Botanical Der ...
, especially ''
Philotheca'', ''
Eriostemon'' and ''
Boronia
''Boronia'' is a genus of about 160 species of flowering plants in the citrus family Rutaceae. Most are endemic to Australia with a few species in New Caledonia, which were previously placed in the genus ''Boronella''. They occur in all Aust ...
''.
Taxonomy and naming
The genus was described and named by
James Edward Smith in 1798
and was named "to honour
James Crowe esq.,
F.L.S. of Lakenham, near
Norwich
Norwich () is a cathedral city and district of Norfolk, England, of which it is the county town. Norwich is by the River Wensum, about north-east of London, north of Ipswich and east of Peterborough. As the seat of the Episcopal see, See of ...
, who died Jan 16, 1807 aged 56. This gentleman was extremely well versed in the botany of Britain, more especially in the genus ''
Salix
Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist s ...
'', to which he paid particular attention, having collected and cultivated all the species he could possibly procure. The specific name of the original species, ''
Crowea saligna
''Crowea saligna'', commonly known as willow-leaved crowea, is a plant in the rue family, Rutaceae and is endemic to eastern New South Wales in Australia. It is a small shrub with attractive, pink, star-shaped flowers and is commonly cultivated. ...
'' alludes to Mr. Crowe's merits in this department".
The three species are accepted by the
Australian Plant Census The Australian Plant Census (APC) provides an online interface to currently accepted, published, scientific names of the vascular flora of Australia, as one of the output interfaces of the national government Integrated Biodiversity Information Syst ...
as at November 2020:
* ''
Crowea angustifolia''
Sm. - Western Australia
* ''
Crowea exalata''
F.Muell.
Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vic ...
- Queensland, New South Wales, Australian Capital Territory and Victoria
* ''
Crowea saligna
''Crowea saligna'', commonly known as willow-leaved crowea, is a plant in the rue family, Rutaceae and is endemic to eastern New South Wales in Australia. It is a small shrub with attractive, pink, star-shaped flowers and is commonly cultivated. ...
''
Andrews - New South Wales
Propagation and cultivation
Croweas are hardy in cultivation, moderately tolerant of frost, growing best in a well-drained mulch in partial shade. Propagation is easiest from cuttings.
In popular culture
Crowea is the title of a waltz composed 1919 by Western Australian musician Fred Barwick.
References
{{Taxonbar, from=Q2888343
Zanthoxyloideae
Zanthoxyloideae genera
Endemic flora of Australia
Flora of Victoria (Australia)
Flora of New South Wales
Rosids of Western Australia