''Strelitzia'' is a genus of five species of
perennial plant
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
s, native to
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
. It belongs to the plant family
Strelitziaceae
The Strelitziaceae comprise a family (biology), family of monocotyledonous flowering plants, very similar in appearance and growth habit to members of the related families Heliconiaceae and Musaceae (banana family). The three genera with seven sp ...
. The genus is named after
Queen Charlotte
Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was Queen of Great Britain and of Ireland as the wife of King George III from their marriage on 8 September 1761 until the union of the two kingdoms ...
of the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
, who was born a princess of the house of Mecklenburg-Strelitz. A
common name
In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...
of the genus is bird of paradise flower/plant, because of a resemblance of its flowers to
birds-of-paradise
The birds-of-paradise are members of the family Paradisaeidae of the order Passeriformes. The majority of species are found in eastern Indonesia, Papua New Guinea and eastern Australia. The family has 44 species in 17 genera. The members of ...
. In South Africa, it is commonly known as a crane flower and is featured on the reverse of the
50-cent coin. It is the
floral emblem
In a number of countries, plants have been chosen as symbols to represent specific geographic areas. Some countries have a country-wide floral emblem; others in addition have symbols representing subdivisions. Different processes have been used to ...
of the
City of Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
; two of the species, ''
S. nicolai'' and ''
S. reginae'', are frequently grown as
houseplant
A houseplant, sometimes known as a pot plant, potted plant, or an indoor plant, is an ornamental plant that is grown indoors. As such, they are found in places like residences and offices, mainly for decorative purposes. Common houseplants are us ...
s.
Description
The species ''S. nicolai'' is the largest in the genus, reaching 10 m (33 ft) tall, with stately white and blue flowers;
the other species typically reach 2.0 to 3.5 m tall, except ''S. caudata'', which is a tree of a typically smaller size than ''S. nicolai''. The
leaves
A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...
are large, 30–200 cm long and 10–80 cm broad, similar to a
banana leaf
The banana leaf is the leaf of the banana plant, which may produce up to 40 leaves in a growing cycle. The leaves have a wide range of applications because they are large, flexible, waterproof and decorative. They are used for cooking, wrappin ...
in appearance, but with a longer
petiole, and arranged strictly in two ranks to form a fan-like crown of
evergreen
In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
foliage. The
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 mechani ...
s are produced in a horizontal
inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
emerging from a stout
spathe
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...
.
Biology and propagation
They are
pollinated
Pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilisation and the production of seeds, most often by an animal or by wind. Pollinating agents can be animals such as insects, birds, ...
by
sunbird
Sunbirds and spiderhunters make up the family Nectariniidae of passerine birds. They are small, slender passerines from the Old World, usually with downward-curved bills. Many are brightly coloured, often with iridescent feathers, particularly ...
s, which perch on and drink from the spathe. The weight of the bird when standing on the spathe opens it to release the
pollen
Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt ...
onto the bird's feet, which is then deposited on the next spathe it visits. ''Strelitzia'' species lack natural insect pollinators; in areas without sunbirds, plants in this genus generally need hand pollination to successfully set seed.
Species and hybrids
Five species are recognised, although one—''
S. juncea''—has been shown to be genetically nested within another, ''S. reginae''. It is possibly a mutation that is in the process of speciating.
*''
Strelitzia × kewensis'' (
hybrid
Hybrid may refer to:
Science
* Hybrid (biology), an offspring resulting from cross-breeding
** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species
** Hybridity, the property of a hybrid plant which is a union of two dif ...
between ''S. reginae'' and ''S. augusta'')
Allergenicity
Plants in the genus ''Strelitzia '' produce no wind-borne
pollen
Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt ...
, and have an
OPALS allergy scale rating of 1, meaning a very low risk of causing allergic reaction.
Etymology
The genus was named by
Joseph Banks
Sir Joseph Banks, 1st Baronet, (19 June 1820) was an English naturalist, botanist, and patron of the natural sciences.
Banks made his name on the 1766 natural-history expedition to Newfoundland and Labrador. He took part in Captain James ...
in honour of
Charlotte of Mecklenburg-Strelitz
Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was Queen of Great Britain and of Ireland as the wife of King George III from their marriage on 8 September 1761 until the union of the two kingdoms ...
, queen consort of
George III
George III (George William Frederick; 4 June 173829 January 1820) was King of Great Britain and of Ireland from 25 October 1760 until the union of the two kingdoms on 1 January 1801, after which he was King of the United Kingdom of Great Br ...
.
Symbolism
Strelitzia's flower language has many meanings, including success, freedom, immortality, loyalty, love, thoughtfulness and optimism. It is also a symbol of the 9th wedding anniversary
Freedom - Strelitzia symbolizes freedom and overcoming difficulties, reminding people not to stick to the present, but to see a wider world
Loyalty - Strelitzia symbolizes loyalty to a lover, and people present Strelitzia to their partners on the 9th anniversary of marriage to express their wholeheartedness
Optimism - Strelitzia chinensis symbolizes optimism and positive energy, and inspires people not to give up when they are in trouble
Success - Strelitzia is a symbol of success in life and is given when congratulating someone on an important moment in life such as graduating from college
Journal
''Strelitzia'' is also the name of the botanic journal of the Pretoria-based National Botanical Institute, which has since been converted into the South African National Biodiversity Institute (
SANBI
The South African National Biodiversity Institute (SANBI) is an organisation established in 2004 in terms of the National Environmental Management: Biodiversity Act, No 10 of 2004, under the South African Department of Environmental Affairs (l ...
). The ''Strelitzia'' journal replaced ''Memoirs of the Botanical Survey of South Africa'' and Annals of the Kirstenbosch Botanic Gardens''.
References
External links
*
{{Authority control
Strelitziaceae
Zingiberales genera
Taxa named by Joseph Banks