Belongs within: Opuntioideae. Opuntia, the prickly pears, is a genus of cacti with stems divided into flattened cladodes; circumscription of the genus is problematic and it may not be monophyletic as currently recognised. Terete-stemmed species have been separated into the related genera Cylindropuntia and Corynopuntia (Griffiths & Porter 2009). <==Opuntia Miller 1754T84 |–O. chaffeyiGP09 |–O. erinaceaGP09 | |–O.… Continue reading Opuntia


Belongs within: Aizoaceae.Contains: Conophytum, Lithops, Ruschia. The Mesembryanthemoideae, iceplants or ice-daisies, are a group of flowering plants bearing flowers with many petals in several whorls. Placentas are parietal in members of the tribes Apatesieae, Carpobroteae and Ruschieae but axile in Mesembryanthemum and its immediate relatives (Hickman 1993). <==Mesembryanthemoideae [Aptenioideae, Mesembryanthemaceae, Ruschioideae] |–Conicosia Br. 1925H93, PV84 [ApatesieaeH93] |… Continue reading Memsembryanthemoideae


Belongs within: Chenopodiaceae.Contains: Chenopodium section Orthosporum. Chenopodium, goosefoots, is a cosmopolitan genus of herbs and shrubs that often bear glandular or powdery leaves. Some species of the genus are known for their culinary uses, whether as pot herbs (e.g. white goosefoot C. album) or grains (e.g. quinoa C. quinoa). Characters (from Hickman 1993): Annual or… Continue reading Chenopodium


Belongs within: Chenopodiaceae. Rhagodia is an Australian genus of dioecious shrubs with mealy leaves for at least part of their life span (Wilson 1984). Characters (from Wilson 1984): Dioecious shrubs, mealy at least when young with globular hairs that may collapse to form a scurfy or continuous silvery sheen. Leaves opposite or alternate, simple, entire… Continue reading Rhagodia


Belongs within: Caryophyllales.Contains: Suaeda, Camphorosmeae, Atriplex, Chenopodium, Dysphania, Einadia, Rhagodia, Halosarcia, Tecticornia. The Chenopodiaceae are a cosmopolitan family of herbs and shrubs with small, greenish flowers (Allan 1961). Members include the genus Salsola, saltworts, a group of herbs or subshrubs (rarely shrubs or small trees), native to the western Palaearctic but widely introduced elsewhere, with… Continue reading Chenopodiaceae


Belongs within: Chenopodiaceae.Contains: Atriplex subsection Arenariae. Atriplex, saltbushes, is a genus of herbs and shrubs found in temperate to subtropical regions worldwide, commonly growing in alkaline or saline soils (Hickman 1993). Orache A. hortensis is an erect annual herb with triangular leaves that is cultivated as a pot herb. Within Atriplex, members of the section… Continue reading Atriplex


Belongs within: Amaranthaceae. Amaranthus, pigweeds, is a cosmopolitan genus of annual herbs of which some species are cultivated as food plants. Examples include love-lies-bleeding A. caudatus, grown both as a pot herb and a source of grain, as well as being cultivated as an ornamental for its long red panicles. Characters (from Hickman 1993): Annual,… Continue reading Amaranthus


Belongs within: Caryophyllales.Contains: Polycarpaea, Scleranthus, Minuartia, Stellaria, Colobanthus, Spergularia, Cerastium, Sagina, Arenaria, Silene, Dianthus. The Caryophyllaceae are a cosmopolitan family of herbaceous plants, most diverse in temperate regions. Familiar representatives include Dianthus (pinks), Stellaria (chickweeds) and Gypsophila (baby’s breath). Some species have become widespread as pasture weeds. In members of the subfamily Illecebroideae, stipules are… Continue reading Caryophyllaceae


Belongs within: Polygonaceae. Eriogonum spergulinum, the spurry buckwheat Published 23 June 2022 Wandering around sandy highlands of the southwest United States, you may encounter a sparse, wiry weed growing between five and forty centimetres in height. This is the spurry buckwheat Eriogonum spergulinum. Members of the buckwheat family Polygonaceae are found worldwide but tend to… Continue reading Eriogonum


Belongs within: Chenopodiaceae. Suaeda, seablites and seepweeds, is a cosmopolitan genus of herbs and shrubs found growing in saline and alkaline soils (Hickman 1993). Characters (from Hickman 1993): Annuals, perennials, or shrubs, glabrous to hairy. Leaves generally alternate; blade entire, sometimes cylindric or upper surface flat, fleshy, generally glaucous, tip acute or pointed. Inflorescence a… Continue reading Suaeda