Stuartia ( Latin: Stewartia ) is a genus of dicotyledonous flowering plants included in the tribe of the Stewartieae of the Tea family ( Theaceae ). The only tribe kind.
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 Stuart malacodendron | |||||||||||||||||||||
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Stewartia L. , 1753 | |||||||||||||||||||||
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Stewartia malacodendron L., 1753 - Stuart malacodendron | |||||||||||||||||||||
Content
Title
The scientific name of the genus was first used by Karl Linnaeus in 1741 . Linnaeus described a new species of Stewartia malacodendron based on a design by Friedrich Earhart from Isaac Lawson . In a letter to Linnaeus, Lawson requested that this plant be named after John Stuart , a Scottish nobleman who was fond of botany.
Botanical Description
Representatives of the genus are deciduous, rarely evergreen shrubs or trees , reaching 20 m in height.
Leaves on short winged petioles, lanceolate, ovoid or elliptical, with a serrated edge, leathery or membranous, pointed at the end.
Flowers up to 12 cm in diameter, axillary, solitary or in racemose inflorescences . Bracts are small, usually not falling. The calyx is divided into 5 sepals overlapping each other. Corolla white or light yellow, divided into 5 (sometimes 6-8) petals. Stamens are numerous, in an amount from 50 to 150, closer to the base fused to the stamen tube. Pestles in the number 1 or 5, with a single or 4-6 separate stigma. Ovary superior, five-membered, with 2-7 ovules in each nest.
The fruit is a brown conical or ovoid capsule , revealing five folds. Seeds , including 2β4, small, obovate, shiny, brown or reddish, sometimes winged.
The number of chromosomes is x = 15, 18.
Range
Species of the genus Stuartia under natural conditions are common in East Asia and eastern North America . Evergreen species are known only from Asia.
Taxonomy
Synonyms
- Cavanilla Salisb. , 1796, nom. illeg.
- Hartia Dunn , 1902
- Malachodendron Mitch. , 1769
- Malachodendrum Juss. , 1789, orth. var.
- Malacodendron Giseke , 1792, orth. var.
- Melachodendron Michx. , 1803, orth. var.
- Stevartia Rchb. , 1827, orth. var.
- Stuartia L'HΓ©r. , 1789, orth. var.
Views
- Stewartia calcicola TLMing & J. Li , 1996
- Stewartia cordifolia ( HLLi ) J. Li & TLMing, 1996
- Stewartia crassifolia ( SZYan ) J. Li & TLMing, 1996
- Stewartia densivillosa ( Hu ex Hung T.Chang & CXYe ) J.Li & TLMing, 1996
- Stewartia laotica ( Gagnep. ) J. Li & TLMing, 1996
- Stewartia malacodendron L., 1753 - Stuart malacodendron
- Stewartia medogensis J. Li & TLMing, 1996
- Stewartia micrantha ( Chun ) Sealy , 1967
- Stewartia monadelpha Siebold & Zucc. , 1841 - Stuart single
- Stewartia ovata ( Cav. ) Weath. , 1939 - Ovoid Stuart
- Stewartia pseudocamellia Maxim. , 1867 - Stuart pseudocamellia
- Stewartia pteropetiolata WCCheng , 1934
- Stewartia rostrata Spongberg , 1974
- Stewartia rubiginosa Hung T.Chang, 1950
- Stewartia serrata Maxim., 1867
- Stewartia sichuanensis (SZYan) J. Li & TLMing, 1996
- Stewartia sinensis Rehder & EHWilson , 1915 - Chinese Stuart
- Stewartia sinii ( YCWu ) Sealy, 1967
- Stewartia villosa Merr. , 1929
Notes
- β For the conventionality of specifying the class of dicotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Dicotyledonous article .
Literature
- Min, TL; Bartholomew, B. 6. Stewartia Linnaeus (English) // Flora of China . - 2007. - Vol. 12 . - P. 424-429 .