Oreocereus celsianus
An appropriately named cactus with yellow spines turning red with age and covered with woolly hairs
Ornithogalum arabicum
A very pretty plant with cup-shaped white flowers
Ornithogalum longibracteatum
A very pretty plant with bell shaped green striped white flowers
Ornithogalum thyrsoides
A very pretty plant with cup-shaped white flowers
Orostachys chanetii
A very attractive succulent with compact basal rosettes and pretty flower spikes of star shaped flowers
Oxalis bowiei
A very pretty plant with attractive foliage and purple flowers
Oxalis cernua
A very pretty plant with attractive foliage and bright yellow flowers
Oxalis tetraphylla
A very pretty plant with attractive foliage and reddish-purple flowers
Pachyphytum oviferum
A very attractive succulent with white frosted pale green leaves flushed blue and vivid orange-red flowers
Pachystachys lutea
A very showy flowering houseplant with cone shaped flowerheads of golden yellow bracts and tubular white flowers
Pandanus sanderi
An attractive foliage plant with spirally arranged long arching strap-like spiny yellow leaves turning green as they mature
Pandanus veitchii
An attractive foliage plant with spirally arranged long arching strap-like leaves with a sharp serrated edge