Crassula natans

Crassula natans, commonly known as floating pigmyweed,[1] is a herb in the family Crassulaceae.[2]

Floating pigmyweed
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Crassulaceae
Genus: Crassula
Species:
C. natans
Binomial name
Crassula natans

The annual herb is often found in an aquatic environment. It blooms between July and November producing white-pink flowers.[2] The plant has decumbent filiform branches that are around 10 centimetres (3.9 in) in length and are often multi-branched when growing in marshy area, or slender floating branches up to 25 cm (9.8 in) in length. It has linear shaped leaves linear approximately 8 millimetres (0.31 in) long and 1 mm (0.039 in) wide in marsh plants, or for floating plants with a length of 14 mm (0.6 in) and a width of 2 mm (0.079 in).[3]

The plant is endemic to the wetlands of Cape Fold area of the Western Cape region of South Africa.[4] It has become naturalised in Western Australia where it is found in winter wet depressions and in gullies and lakes in the Great Southern, Wheatbelt, South West and Peel regions.[2] It is also found throughout southern South Australia, New South Wales and Victoria.[3]

References
  1. "Floating Pigmyweed Crassula natans". iNaturalist. California Academy of Sciences. Retrieved 12 September 2017.
  2. "Crassula natans". FloraBase. Western Australian Government Department of Parks and Wildlife.
  3. "Crassula natans var. minus (Crassulaceae) Floating Crassula". Seeds of South Australia. Government of South Australia. Retrieved 12 September 2017.
  4. Will Darwall; D. Tweddle; K. Smith & P. Skelton (2009). The Status and Distribution of Freshwater Biodiversity in Southern Africa. IUCN. ISBN 9782831711263.
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