Interesting Facts
Description
Family Polygonaceae
Herbs, shrubs
, or small trees
, sometimes monoecious or dioecious. Stems erect
, prostrate
, twining
, or scandent
, often with swollen nodes, striate
, grooved
, or prickly. Leaves simple
, alternate, rarely opposite or whorled
, petiolate
or subsessile
; stipules often united
to a sheath
(ocrea) . Inflorescence terminal
or axillary
, spicate
, racemose, paniculate
, or capitate. Pedicel occasionally articulate
. Flowers small, actinomorphic
, bisexual
, rarely unisexual
. Perianth 3-6-merous, in 1 or 2 series, herbaceous, often enlarged in fruit or inner tepals enlarged, with wings
, tubercles
, or spines. Stamens usually (3-) 6-9, rarely more; filaments
free
or united at base
; anthers
2-loculed, opening lengthwise; disk annular
(often lobed
) . Ovary superior, 1-loculed; styles 2 or 3, rarely 4, free or connate
at lower part. Fruit a trigonous
, biconvex
, or biconcave
achene; seed with straight or curved
embryo and copious
endosperm.
About 50 genera and 1120 species: worldwide, but primarily N temperate
with a few species in tropical regions
; 13 genera (two endemic) and 238 species (65 endemic) in China.[1]
Taxonomy
- Domain:
Eukaryota
(
)
- Whittaker & Margulis,1978
- eukaryotes
- Kingdom:
Plantae
()
- Haeckel, 1866
- Plants
- Subkingdom:
Viridaeplantae
()
- Cavalier-Smith, 1981
- Phylum:
Tracheophyta
()
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Subphylum:
Euphyllophytina
()
- Infraphylum:
Radiatopses
()
- Kenrick & Crane, 1997
- Class:
Magnoliopsida
()
- Brongniart, 1843
- Dicotyledons
- Subclass:
Caryophyllidae
()
- Takhtajan, 1967
- Superorder:
Polygonanae
()
- Takhtajan Ex Reveal, 1992
- Order:
Caryophyllales
()
- Perleb, 1826
- Family:
Polygonaceae
()
- A.L. de Jussieu, 1789, nom. cons.
- knotweed, renouées
- Subfamily:
Polygonoideae
()
- Tribe:
Triplarideae
()
- Genus:
Ruprechtia
()
- C.A. Meyer, 1840
- Specific epithet:
standleyana
- Cocucci
- Botanical name: - Ruprechtia standleyana Cocucci
- Specific epithet:
standleyana
- Cocucci
- Genus:
Ruprechtia
(
- Tribe:
Triplarideae
(
- Subfamily:
Polygonoideae
(
- Family:
Polygonaceae
(
- Order:
Caryophyllales
(
- Superorder:
Polygonanae
(
- Subclass:
Caryophyllidae
(
- Class:
Magnoliopsida
(
- Infraphylum:
Radiatopses
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Tracheophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Similar Species
Members of the genus Ruprechtia
ZipcodeZoo has pages for 2 species, subspecies, varieties, forms, and cultivars in this genus:
R. apetala (Duraznillo) · R. coriacea (Blood of the Bull)
More Info
- Search for Pictures: images.google.com
- Search for Scholarly Articles: Google Scholar
- Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Further Reading
- Li Anjen, Kao Tsoching, Mao Zumei & Liu Yulan. 1998. Polygonaceae. In: Li Anjen, ed., Fl. Reipubl. Popularis Sin. 25(1): 1209.
Notes
Contributors
- Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 15, 2012.
Identifiers
- Biodiversity Heritage Library NamebankID: 9485226
- Global Biodiversity Information Facility Taxonkey: 15788553
- Zipcode Zoo Species Identifier: 2096037
Footnotes
- Anjen Li, Bojian Bao, Alisa E. Grabovskaya-Borodina, Suk-pyo Hong, John McNeill, Sergei L. Mosyakin, Hideaki Ohba & Chong-wook Park "Polygonaceae". in Flora of China Vol. 5 Page 277. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
