, or shrubs
, succulent. Stems erect
. Leaves simple
, rarely pinnate, mostly opposite, sometimes alternate, in many species fleshy
entire, rarely with teeth; true stipules absent, sometimes a stipule-like sheath
present at base
. Inflorescences terminal
or seemingly axillary
cymes, or solitary flowers. Flowers bisexual
, rarely unisexual
, perigynous or epigynous
. Nectaries separate or in a ring
around ovary. Tepals (4 or) 5( 8), connate
below into a tube
. Petals absent or present. Stamens 3 to many, free
or connate at base, outermost often as filamentous
dehiscing by longitudinal
slits. Ovary inferior, syncarpous
; carpels 2 to many; ovules 1 to many, on long funicles
, mostly campylotropous; placentation axile
, sometimes basal-parietal. Stigmas as many as carpels. Fruit a hygroscopic
or circumscissile capsule, more rarely a berry or nut. Seeds with slender embryo curved
, rarely with an aril; endosperm scanty or absent.
About 135 genera and 1800 species: mainly in arid , subtropical regions, most species in S Africa, some in Australia and W parts of the Americas, some pantropical ; three genera and three species in China.
The family is divided into five subfamilies, of which two, Sesuvioideae and Tetragonioideae, are represented by native species in China.
Many members of the subfamilies Mesembryanthemoideae and Ruschioideae are ornamentals and are in cultivation worldwide. Until the early 20th century, these were nearly all included in the genus Mesembryanthemum. Since then, the majority of the members of that genus has been placed in a great number of smaller genera. Five species have been recorded as cultivated in China: Aptenia cordifolia (Linnaeus f.) Schwantes, Carpobrotus edulis (Linnaeus) L. Bolus, Glottiphyllum longum (Haworth) N. E. Brown, Lampranthus spectabilis (Haworth) N. E. Brown, and Mesembryanthemum crystallinum Linnaeus. Further species are likely to be introduced into China.
Tetragonia, together with the genus Tetragonocarpus, is sometimes treated as an independent family, the Tetragoniaceae. Sesuvium and Trianthema, together with Cypselea Turpin and Zaleya N. L. Burman, are sometimes treated as a separate family, the Sesuviaceae.
- Whittaker & Margulis,1978
- Haeckel, 1866
- Cavalier-Smith, 1981
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Kenrick & Crane, 1997
- Brongniart, 1843
- Takhtajan, 1967
- Superorder: Caryophyllanae () - Takhtajan, 1967
- Subclass: Caryophyllidae () - Takhtajan, 1967
- Class: Magnoliopsida () - Brongniart, 1843 - Dicotyledons
- Infraphylum: Radiatopses () - Kenrick & Crane, 1997
- Subphylum: Euphyllophytina ()
- Phylum: Tracheophyta () - Sinnott, 1935 ex Cavalier-Smith, 1998 - Vascular Plants
- Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
- Kingdom: Plantae () - Haeckel, 1866 - Plants
Members of the genus Gunnia
ZipcodeZoo has pages for 1 species, subspecies, varieties, forms, and cultivars in this genus:
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- Annals of natural history. London, R. and J.E. Taylor, url p. 35, p. 35, p. 35.
- Edwards's botanical register. 20 1835 London: James Ridgway, 1829-1847. url , , , p. 45.
- Hooker, J. D. The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843: under the command of Captain Sir James Clark Ross /by Joseph Dalton Hooker. 3 1860 London: Reeve Brothers, 1844-60. url p. 33, p. lxxviii.
- Orchids, their structure, history & culture. London, "Journal of horticulture" Office,  url p. 37.
- Proceedings of the Linnean Society of New South Wales. Sydney, Linnean Society of New South Wales. url p. 52, p. 53.
- The Queensland flora: Queensland, Printed by H. J. Diddams & co., 1899-1902. url .
- The Tasmanian flora. Hobart, Tasmania, J. Vail, Govt. Printer, 1903. url .
- The vegetable kingdom; or, The structure, classification, and uses of plants, LondonBradbury & Evans1853 url p. 180, p. 820.
- Lu Dequan. 1996. Aizoaceae (SesuviumTetragonia). In: Tang Changlin, ed., Fl. Reipubl. Popularis Sin. 26: 3036.
- Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 30, 2012.
- Biodiversity Heritage Library NamebankID: 9300413
- Global Biodiversity Information Facility Taxonkey: 15688935
- Globally Unique Identifier: urn:lsid:ipni.org:names:636437-1
- Zipcode Zoo Species Identifier: 3585061