Eriogonum spergulinum, the Spurry Buckwheat

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. Spurry buckwheat Eriogonum spergulinum, copyright Dcrjsr. Members of the buckwheat family Polygonaceae are found worldwide but tend to be easily overlooked as low, scrubby… Continue reading Eriogonum spergulinum, the Spurry Buckwheat


Aporum leonis, from MillFa Wild Orchid. Belongs within: Dendrobium. Aporum is a genus of orchids with fleshy, equitant leaves found in south-east Asia and Malesia (Clements 2003). See also: Succulent orchids. Characters (from Clements 2003): Erect, porrect or pendulous, small to large, epiphytic or lithophytic, herbs. Roots thin wiry, divided. Stems thin, wiry, covered with… Continue reading Aporum


Pigeon orchid Ceraia saaronica, copyright Eric Guinther. Belongs within: Dendrobium. Ceraia is a genus of epiphytic or lithophytic orchids found from south-east Asia to Papua New Guinea, characterised by the presence of at least three or four swollen, leafless internodes at the base of the stem (Clements 2003). Characters (from Clements 2003): Epiphytic or lithophytic… Continue reading Ceraia


Oxystophyllum carnosum, copyright Gerard Chartier. Belongs within: Epidendroideae. The Eriinae are a group of orchids bearing flowers with a hinged, motile lip and a usually short, massive column with a prominent column foot. <==Eriinae |  i. s.: Epiblastus A86 |         Mediocalcar A86 |         Porpax A86 |         Sarcostoma A86 |         Stolzia A86 |–Eria C03 |    |–E. alba SS72… Continue reading Eriinae


Cattleya labiata, copyright Tarciso Leão. Belongs within: Epidendroideae. The Epidendreae are a group of orchids bearing pollinia fused with sticky caudicles. <==Epidendreae [Epidendrinae, Laeliinae] |–Appendicula FR99 |    |–A. hexandra FR99 |    `–A. reflexa P03 `–+–Agrostophyllum FR99 |    |–A. bicuspidatum P03 |    |–A. denbergeri P03 |    `–A. majus P03 `–+–Arpophyllum FR99 `–+–Epidendrum FR99 |    |–E. atropurpureum H04 |    `–E. nocturnum FS90 `–+–+–Schomburgkia FR99… Continue reading Epidendreae


Mountain astelia Astelia nervosa, copyright Rudolph89. Belongs within: Petrosaviidae. The Asteliaceae are a Southern Hemisphere group of tufted, often epiphytic herbs characterised by an indumentum of surface scales on at least young growth (Moore & Edgar 1970). <==Asteliaceae [Astelieae, Astelioideae, Milliganieae] |–Neoastelia Williams 1987 DS04, CC87 |    `–*N. spectabilis Williams 1987 CC87 |–Collospermum Skottsb. 1934 ME70… Continue reading Asteliaceae


Spring crocus Crocus vernus, copyright Franz Xaver. Belongs within: Iridaceae. Crocus is a genus of low-growing herbs in which flowers arise at ground level with a subterranean ovary (Healy & Edgar 1980). Characters (from Healy & Edgar 1980): Low-growing, more or less inconspicuous; flowers arising singly, one to several from a corm, at first stalkless… Continue reading Crocus


Yellow flag iris Iris pseudacorus, copyright James St. John. Belongs within: Iridaceae. Iris is a genus of monocotyledons found primarily in northern temperate regions, bearing showy flowers with petal-like style branches (Hickman 1993). Characters (from Hickman 1993): Perennial; rhizome creeping or more or less tuber-like. Inflorescence with flowers 1-many. Flowers with perianth parts clawed, sepals… Continue reading Iris


Romulea toximontana, copyright Dwergenpaartje. Belongs within: Iridaceae. Romulea, star-grass, is a genus of grass-like herbs found primarily in southern Africa with a smaller number of species extending into Europe (Healy & Edgar 1980). Characters (from Healy & Edgar 1980): Summer-green perennial. Corm small; tunic hard, woody, brown, usually smooth. Stem often not protruding above ground… Continue reading Romulea


Pipe lily Johnsonia pubescens, copyright Philip Bouchard. Belongs within: Petrosaviidae. Contains: Dianella. The Hemerocallidaceae are a group of monocotyledons united by molecular data whose members commonly have semi-equitant leaves, with the upper and lower portions bifacial and the intermediated section unifacial, and exclusively trichotomosulcate pollen (Chase et al. 2000). <==Hemerocallidaceae [Phormiaceae] |  i. s.: Excremis CR00… Continue reading Hemerocallidaceae