Explore 23,508 Species
European Hop-hornbeam
Ostrya carpinifolia Scop.
Ostrya carpinifolia is a deciduous broadleaf tree native to parts of Europe and …
American hophornbeam
Ostrya virginiana (Mill.) K.Koch
Ostrya virginiana (American hophornbeam) is a small deciduous understory tree na…
Poet's Cassia
Osyris alba L.
Osyris alba L. is a hemiparasitic broom-like shrub, widespread across the Medite…
Cape Sumach
Osyris compressa (P.J.Bergius) A.DC.
Osyris compressa (Cape sumach) is a hemiparasitic South African shrub or small t…
African Sandalwood
Osyris lanceolata Steud. & Hochst. ex A.DC.
Osyris lanceolata (African sandalwood) is a semi-parasitic plant harvested for i…
creeping mountain foxglove
Ourisia caespitosa Hook.fil.
Ourisia caespitosa is an endemic New Zealand perennial herb common in high-eleva…
mountain foxglove
Ourisia macrophylla Hook.
Ourisia macrophylla Hook. is a large perennial herb endemic to New Zealand, grow…
European wood-sorrel
Oxalis acetosella L.
Oxalis acetosella L. is a small, shade-tolerant woodland plant with trifoliate l…
pink-sorrel
Oxalis articulata Savigny
Oxalis articulata Savigny is a perennial pink-flowered herb with known edible, o…
Lavender Sorrel
Oxalis barrelieri L.
Oxalis barrelieri L. is a 20-150 cm tall flowering plant native to the Americas,…
Biffed Sorrel
Oxalis bifida Thunb.
Oxalis bifida Thunb. is an edible endemic South African geophyte that favors sha…
Bowie's woodsorrel
Oxalis bowiei W.T.Aiton ex G.Don
Oxalis bowiei is a South African Oxalis species naturalized in Australia, named …
Goat's-foot
Oxalis caprina Thunb.
Oxalis caprina, or Goat's foot, is a short-stemmed South African bluish-flowered…
Creeping Woodsorrel
Oxalis corniculata L.
Oxalis corniculata L. is a widely distributed creeping weed with edible tangy le…
Largeflower pink-sorrel
Oxalis debilis Kunth
Oxalis debilis Kunth is a bulbous, originally South American cosmopolitan plant …
slender yellow woodsorrel
Oxalis dillenii Jacq.
Oxalis dillenii is a North American-origin woodsorrel species, often considered …
Drummond's woodsorrel
Oxalis drummondii A.Gray
Oxalis drummondii, or Drummond's wood-sorrel, is a tuberous flowering geophyte n…
least yellow-sorrel
Oxalis exilis A.Cunn.
Oxalis exilis, common names least yellow sorrel and shady woodsorrel, is a small…
Yellow Sorrel
Oxalis flava L.
Oxalis flava L. is a rhizomatous, stemless clumping Oxalis with multiple leaflet…
Carpet Sorrel
Oxalis glabra Thunb.
Oxalis glabra is an invasive South African plant now found in southwestern Austr…
great yellow woodsorrel
Oxalis grandis Small
Oxalis grandis is an annual herb in the woodsorrel family, native to the eastern…
Oxalis griffithii Edgew. & Hook.fil.
Oxalis griffithii Edgew. & Hook.fil.
Oxalis griffithii is a small stemless perennial flowering plant found across Eas…
Tropical woodsorrel
Oxalis hirta L.
Oxalis hirta, tropical woodsorrel, is an endemic flowering plant of the genus Ox…
Pale pink-sorrel
Oxalis incarnata L.
Oxalis incarnata is a perennial ornamental flowering woodsorrel native to southe…
