Plants of the Week

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E.g., 21/09/2018

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Ozoroa sphaerocarpa

Tree growing in habitat
Common names: currant resin tree; korenteharpuisboom (Afr.); imfuce lemnyamma (IsiSwati); monoko (Sepedi)
Family: Anacardiaceae

This relatively small currant resin tree has small whitish flowers, with the sexes occurring on separate plants.  It is of highly valued by rural...

08 / 12 / 2014 | Mahlatse Mogale | TSP
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Ozoroa paniculosa

Ozoroa paniculosa tree
Common names: common resin tree, bushveld ozoroa (Eng.): gewone harpuisboom (Afr.); isifice (Zulu); monoko (N. Sotho/Sepedi); mudumbula (Venda)
Family: Anacardiaceae

An attractive, small to medium-sized tree. Its leaves are bluish grey above and silvery below with strikingly straight, parallel side veins....

12 / 04 / 2010 | Terence Mabela | Walter Sisulu NBG
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Ozoroa obovata var. elliptica

Ozoroa obovata tree
Common names: broad-leaved resin tree (Eng.); breë blaarharpuisboom (Afr.)
Family: Anacardiaceae

The broad-leaved resin tree is a semi-deciduous to evergreen shrub or tree that is suitable for small gardens....

05 / 09 / 2011 | J K Baloyi | Pretoria NBG
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Oxyanthus pyriformis subsp. pyriformis

Oxyanthus pyriformis flowers and foliage (Geoff Nichols)
Common names: hatpins loquat, Natal loquat (Eng.); hoedespeldlukwart, Natallukwart (Afr.); isibinda esingakhali-amasi (isiZulu); umgungununu (siSwati)
Family: Rubiaceae

Medley Wood described this loquat-like shrub as ‘an exceedingly handsome shrub of good habit, growing generally under large trees in those parts...

11 / 01 / 2016 | Alec Naidoo | Pretoria NBG
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Oxalis purpurea

Pink Oxalis purpurea
Common names: grand duchess sorrel (Eng.); suuring (Afr.)
Family: Oxalidaceae

A common but undervalued South African native plant, Oxalis purpurea can make a most magnificent garden plant that flowers for half the year....

21 / 12 / 2009 | Adam Harrower | Kirstenbosch NBG
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Oxalis

Oxalis zeekoevleyensis
Common names: sorrel (Eng.); suring (Afr.)
Family: Oxalidaceae

Members of the genus Oxalis — with their brightly coloured delicate flowers, clover-like leaves and corolla lobes twisted in the bud — are...

30 / 08 / 2004 | Elizabeth Retief | National Herbarium Pretoria
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Ottosonderia monticola

Ottosonderia monticola fruits
Common names: crossvygie (Eng.), kruisvygie, granietvygie, bergvingertjies (Afr.)
Family: Aizoaceae

Ottosonderia monticola is a dwarf, tufted mesemb, with ascending flowering branches above the leaf canopy. The flowering branch remains active for more...

26 / 10 / 2015 | Ernst van Jaarsveld | Kirstenbosch NBG
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Othonna triplinervia

Othonna triplinervia
Common names: three-veined othonna
Family: Asteraceae

A succulent shrub that flourishes in heavy, winter rainfall areas. Its rounded growth form and velvety foliage, makes this plant a desirable specimen for...

26 / 12 / 2016 | Jermaine Christoffels | Kirstenbosch NBG
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Othonna retrofracta

Seedheads
Common names: none known
Family: Asteraceae

Othonna retrofracta, with its bonsai-like appearance, is suitable for water-wise gardens in arid areas....

03 / 03 / 2014 | Shireen Harris | Karoo Desert NBG
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Othonna perfoliata

Othonna perfoliata (John Manning)
Common names: bobbejaanklimop (Afr.)
Family: Asteraceae

An Othonna with striking yellow flowers, found lurking among tall vegetation, to brighten your garden in the cold winter days....

09 / 04 / 2018 | Luvo Magoswana | Compton Herbarium
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Othonna herrei

Othonna herrei in cultivation at the Karoo Desert NBG.
Common names: None recorded.
Family: Asteraceae

This bonsai-like Othonna is unique and certainly the most remarkable species in the genus....

03 / 04 / 2017 | Carole Sutty | Karoo Desert NBG
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Othonna euphorbioides

Othonna euphorbioides (Nick Helme)
Common names: doringkers (Afr.)
Family: Asteraceae

A thorny, yet charming, mound-forming species of Othonna with striking yellow flowers to brighten your garden in the cold winter days....

17 / 10 / 2016 | Refilwe Kolokoto | Compton Herbarium
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Othonna dentata

In flower
Common names: None known
Family: Asteraceae

This blue-grey succulent shrublet is ideally suited to coastal gardens and deserves to be more popular with gardeners....

14 / 10 / 2013 | Roger Oliver | Kirstenbosch NBG
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Othonna arbuscula

Othonna arbuscula
Common names: knolharpuis, knolrepuis (Afr.); nu-nu, traap (Khoi)
Family: Asteraceae

A small succulent shrub from the arid areas of southern Africa, which has the appearance of a small tree or bonsai....

15 / 08 / 2016 | Ricardo Riddles | Karoo Desert NBG
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Otholobium virgatum

Plant in flower
Common names: carpet pea, mat otholobium, eight-day-healing bush (Eng.); agtdaegeneesbossie (Afr.)
Family: Fabaceae

This is a mat-forming and low-growing, trailing, ground cover with masses of mauve-pink, pea-like flowers in spring....

24 / 11 / 2014 | Zoleka Maphanga | Kirstenbosch NBG
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Otholobium fruticans

Otholobium fruticans
Common names: Cape Town pea, roundhead otholobium
Family: Fabaceae

An attractive, mat-forming groundcover or semi-shrub that bears beautiful sprays of pea-like, purple-blue flowers in spring....

21 / 08 / 2017 | Sisanda Alakhe Velembo-Mhlauli | Kirstenbosch NBG
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Osyris lanceolata

Osyris lanceolata tree
Common names: rock tannin-bush, transvaal sumach (Eng.); bergbas, rotslooibas (Afr.); intshakasa, ingondotha-mpete (Zulu); umbulunyathi (Zulu/Xhosa); intekeza, utek
Family: Santalaceae

The evergreen, winter-flowering Osyris lanceolata is a blue-green hardy shrub or small tree. Its fleshy, yellowish green fruits become bright...

26 / 09 / 2011 | M.S. Mothogoane | National Herbarium Pretoria
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Osyris compressa

Common names: Cape sumach, coastal tannin bush ( Eng.); wildepruim, wurgbessie, basbessie, kuslooibas (Afr.); mtekaaza, umbalanythi (Xhosa); umbulanyathi (Zulu)
Family: Santalaceae

This plant is now called Colpoon compressum ...

29 / 05 / 2006 | | National Herbarium Pretoria
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Osteospermum moniliferum

Osteospermum moniliferum
Common names: bietou, boneseed, tick berry, brother berry, bush-tick berry (Eng.) bietou, boetabessie, bosluisbessie, bokbessie, weskusbietou, skilpadkos (Afr.), in
Family: Asteraceae

A fast growing shrub with bright yellow daisies in autumn and winter followed by edible berries - a useful pioneer, screening plant and popular with birds...

07 / 05 / 2001 | Ernst van Jaarsveld | Kirstenbosch NBG
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Osmunda regalis

Young frond & unfurling crozier. Photo A Klopper
Common names: royal fern (Eng.); adelvaring (Afr.)
Family: Osmundaceae

Osmunda regalis is unusual in that it forms new fertile fronds in autumn, and not in spring or summer as is common in most ferns....

16 / 02 / 2004 | Ronell R. Klopper | National Herbarium Pretoria
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