Speaking of Calostemmas by the Billabong.
Robert Hamilton (Sat, 26 Nov 2011 13:08:35 PST)

Hi Roland,

Below are some photos I have taken in habitat. They grow reasonably
well but dont flower particularly well in my cooler Tasmanian
climate. The yellow forms need to be grown in standing water to
maintain them in cultivation.

http://bulbsbirdsnmore.com.au/Amaryllid_Obsession/
Calostemma_luteum.html

http://bulbsbirdsnmore.com.au/Amaryllid_Obsession/
Calostemma_purpureum.html

Cheers,

Rob in Tasmania