Dysphania (Amaranthaceae)

Dysphania là chi thực vật có hoa trong họ Amaranthaceae.

**Các loài**
Chi Dysphania được ghi nhận có 46 loài, được phân thành 4 nhánh:- Dysphania sect. Adenois (Moq.) Mosyakin & Clemants: 15 species, native in South and Middle America, now distributed worldwide from the tropics to warm-temperate regions:
** Dysphania ambrosioides (L.) Mosyakin & Clemants - Epazote, Mexican-tea: native in North- and South America, naturalized in other continents.
** Dysphania anthelmintica (L.) Mosyakin & Clemants 
** Dysphania burkartii (Aellen) Mosyakin & Clemants 
** Dysphania chilensis (Schrad.) Mosyakin & Clemants - native in Argentina and Chile.
** Dysphania multifida (L.) Mosyakin & Clemants - Cut-leaf goosefoot, small-leaved wormseed: native in South America, introduced from the tropics to warm-temperate regions.
** Dysphania oblanceolata (Speg.) Mosyakin & Clemants
** Dysphania tomentosa (Thouars) Mosyakin & Clemants
** Dysphania venturii (Aellen) Mosyakin & Clemants- Dysphania sect. Botryoides (C.A.Mey.) Mosyakin & Clemants: with two subsections:
** Dysphania sect. Botryoides subsect. Botrys (Aellen & Iljin) Mosyakin & Clemants: with 9 species, worldwide, native in southern North America, northern South America, southern Eurasia and Africa.
*** Dysphania botrys (L.) Mosyakin & Clemants - Jerusalem-oak, feather-geranium: native from Middle Europa to China (Xinjiang), naturalized or cultivated in other temperate regions.
*** Dysphania nepalensis (Link ex Colla) Mosyakin & Clemants - in Central Asia
*** Dysphania procera (Hochst. ex Moq.) Mosyakin & Clemants 
*** Dysphania pseudomultiflora (Murray) Verloove & Lambinon - In South Africa.
*** Dysphania schraderiana (Schult.) Mosyakin & Clemants
** Dysphania sect. Botryoides subsect. Incisa (Standley) Mosyakin & Clemants: 
*** Dysphania dissecta (Moq.) Mosyakin & Clemants - south-western North America and in South America
*** Dysphania incisa (Poir.) ined.- Dysphania sect. Dysphania, with 8 species in Australia:
** Dysphania glandulosa Paul G.Wilson - in Australia
** Dysphania glomulifera (Nees) Paul G.Wilson - in Australia
** Dysphania kalpari Paul G.Wilson - in Australia
** Dysphania littoralis R.Br. - in Australia
** Dysphania plantaginella F.Muell. - in Australia
** Dysphania platycarpa Paul G.Wilson - in Australia
** Dysphania rhadinostachya (F.Muell.) A.J.Scott - in Australia
** Dysphania simulans F.Muell. & Tate - in Australia
** Dysphania sphaerosperma Paul G.Wilson - in Australia
** Dysphania valida Paul G.Wilson - in Australia- Dysphania sect. Orthospora (R.Br.) Mosyakin & Clemants: with 7 species in New Zealand and Australia, some species introduced in other regions:
** Dysphania carinata (R.Br.) Mosyakin & Clemants - native in Australia, naturalized in other continents.
** Dysphania cristata (F.Muell.) Mosyakin & Clemants) - native in Australia, naturalized in other continents.
** Dysphania melanocarpa (J.M.Black) Mosyakin & Clemants - black crumbweed
** Dysphania pumilio (R.Br.) Mosyakin & Clemants - Clammy goosefoot, small crumbweed: native in Australia, naturalized in other continents.
** Dysphania pusilla Mosyakin & Clemants
** Dysphania saxatilis (Paul G.Wilson) Mosyakin & Clemants 
** Dysphania truncata (Paul G.Wilson) Mosyakin & Clemants- Not yet grouped to a section:
** Dysphania atriplicifolia (Spreng.) G.Kadereit, Sukhor. & Uotila
** Dysphania bhutanica Sukhor.
** Dysphania bonariensis (Hook.f.) Mosyakin & Clemants ex Sukhor.
** Dysphania × bontei (Aellen) Stace
** Dysphania × christii (Aellen) Stace
** Dysphania congestiflora S.J.Dillon & A.S.Markey
** Dysphania congolana (Hauman) Mosyakin & Clemants - in Africa
** Dysphania geoffreyi Sukhor.
** Dysphania himalaica  Uotila
** Dysphania kitiae Uotila
** Dysphania minuata (Aellen) Mosyakin & Clemants
** Dysphania multiflora (Moq.) G.Kadereit, Sukhor. & Uotila
** Dysphania neglecta Sukhor.
** Dysphania retusa (Moq.) Mosyakin & Clemants ex Brignone
** Dysphania stellata (S.Watson) Mosyakin & Clemants - This species has 6-8 tepals
** Dysphania tibetica (A.J.Li) Uotila

**Hình ảnh**

**Chú thích**

**Tham khảo**
 Steven E. Clemants & Sergei L. Mosyakin (2003):  Dysphania - online. In: Flora of North America Editorial Committee (ed.): Flora of North America North of Mexico. Volume 4: Magnoliophyta: Caryophyllidae, part 1. Oxford University Press, New York, 0-19-517389-9, p. 267. (chapters description, distribution, systematics)- Sergei L. Mosyakin, Steven E. Clemants (2008): Further Transfers of glandular-pubescent species from Chenopodium subg. Ambrosia to Dysphania (Chenopodiaceae). In: Journal of the Botanical Research Institute of Texas Vol.2, Nr. 1, p. 425–431. (chapter systematics)- Gelin Zhu, Sergei L. Mosyakin & Steven E. Clemants (2003): Chenopodiaceae:  Dysphania – online. In: Wu Zhengyi, Peter H. Raven, Deyuan Hong (Hrsg.): Flora of China. Volume 5: Ulmaceae through Basellaceae. Science Press u.a., Beijing u.a., 1-930723-27-X, p. 376. (chapter description, vernacular name)-  species and distribution at GRIN, retrieved 30 November 2011- Gudrun Kadereit, Evgeny V. Mavrodiev, Elizabeth H. Zacharias, Alexander P. Sukhorukov (2010): Molecular phylogeny of Atripliceae (Chenopodioideae, Chenopodiaceae): Implications for systematics, biogeography, flower and fruit evolution, and the origin of C4 Photosynthesis. In: American Journal of Botany, 97(10), p. 1664–1687.-  Dysphania ambrosioides at Liber Herbarum, retrieved 30 November 2011.-  Dysphania schraderiana at Liber Herbarum, retrieved 30 November 2011.-  First publication scanned at Biodiversity Heritage Library- Erich Oberdorfer, Theo Müller (1983): Pflanzensoziologische Exkursionsflora. 5. ed., Ulmer, Stuttgart, 3-8001-3429-2, p. 342-  Tropicos, retrieved 30 November 2011.- Pertti Uotila (2011): Chenopodiaceae (pro parte majore). – In: Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Dysphania.  Euro+Med Plantbase, retrieved 30 November 2011.-  Distribution Map for Europe
Thể loại:Dysphanieae
Thể loại:Dysphania (Amaranthaceae)