Haworthia coarctata

Haworthia coarctata, Kariega, NEW PHOTO
Haworthia coarctata Haw.

: leaves pressed together.

H. coarctata
is stem forming species. It forms dense clusters and often grows in full exposed situations. H. coarctata has many striking forms and, possibly because of vegetative reproduction, populations tend to be very uniform.
H. coarctata occurs from Port Elizabeth in the west to Great Fish River in the east. It is more eastern continues for H. fasciata. In the area of Grahamstown / Port Alfred / Great Fish River its distribution range meets with H. reinwardtii.

Distribution map

It has been very often confused with H. reinwardtii in the past. The differences are following: H. coarctata has tubercles smaller and more smoothly rounded, whereas in H.reinwardtii they are frequently large and tend to be flattened and whiter. But I have seen some plants from the area mentioned above and I wasn´t able to distinguished what is H. coarctata and what is already H. reinwardtii.
In cultivation H. coarctata is very easy species. Needs little bit more exposed situation to let plants grow compactly. It can be easily propagation by offsetts or stem-cutting.

Haworthia coarctata, Kariega, NEW PHOTO
Haworthia coarctata, Kariega, NEW PHOTO

Locality of H. coarctata, Kariega, NEW PHOTO

Haworthia coarctata, Brandhoek

Haworthia coarctata, Swartwater Poort

Haworthia coarctata, Swartwater Poort

Nearby is growing H. cymbiformis var. obtusa and G. doreeniae.

Haworthia coarctata, Kariega

Nearby is growing H. cymbiformis and H. cooperi var. venusta.

Haworthia coarctata, Kariega

Haworthia coarctata, Howieson´s Poort

Haworthia coarctata, Robin Hill, near Salem

Haworthia coarctata forma greenii, Palmietrivier, Howiesonspoort

At this locality some plants with tubercles and others without were observed.

Haworthia coarctata, Rosedale

Haworthia coarctata, NNE. Kenton on Sea

Growing very close to H. cooperi var. venusta.

Haworthia coarctata, t-off to Belmont

Haworthia coarctata, Blaukrantz Railway Bridge

Growing very close to H. cymbiformis var. obtusa.

Haworthia coarctata, Blaukrantz Railway Bridge


H. chalwinii, H. reinwardtii var. conspicua, H. reinwardtii var. fallax, H. reinwardtii var. pseudocoarctata, H. coarctata var. haworthii, H. coarctata var. kraussii, H. reinwardtii var. committeesensis, H. reinwardtii var. huntsdriftensis, H. fulva, H. musculina, H. greenii var. silvicola

Known localities:

  • Motherwell (3325DA)
  • Addo (3325DA)
  • Orlando (3325DB)
  • Hellspoort (3326AB)
  • Piggot Bridge road (3326AB)
  • Bushmans River Poort, Paynes Farm (3326AC)
  • Rockdale, Highlands (3326AC)
  • Salem to Alexandria (3326AD)
  • NE. Salem (3326AD)
  • Yellowwoods (3326AD)
  • Howiesonspoort (3326AD)
  • Rooidrift (3326BA)
  • Fort Brown (3326BA)
  • Gowie´s Farm (3326BA)
  • E. Plutosvale (3326BA)
  • Fletcher´s Farm (3326BA)
  • E. Committees (3326BB)
  • W. Committees (3326BB)
  • W. Breakfast Vlei (3326BB)
  • Brooklands (3326BC)
  • Manley Flats (3326BC)
  • Vaalvlei (3326BC)
  • Hills SE. Grahamstown (3326BC)
  • 11 km Grahamstown to East London (3326BC)
  • SE. Grahamstown (3326BC)
  • W. Hunt´s Drift (3326BD)
  • Bathurst (3326BD)
  • Woodbury (3326CA)
  • 24 km W. Port Alfred (3326DA)
  • Kowie (3326DA)
  • S. Vaalvlei (3326DA)
  • Hopewell, 20 km W. Port Alfred (3326DA)
  • 24 km WNW. Port Alfred (3326DA)
  • near Ghio Bridge (3326DA)
  • Glennismoyle (3326DA)
  • Fairfax (3326DA)
  • Belmont, E. Grahamstown
  • Harper Station, E. Grahamstown
  • Slaaikraal Dam, SW. Grahamstown
  • Burntkraal, NW. Grahamstown
  • 7 km NW. Grahamstown (3326AD)
  • Bloukrans station (3326BC)
  • S. of Manley Flats t-off from N2 (3326BD)
  • 2 km NNW. Long Ford, SE. Salem (3326AD)
  • 4 km NW. Grahamstown (3326BC)
  • 5 Miles GT Milestone, N.Grahamstown
  • 8 km NW. Grahamstown (3326AD)
  • 8 km NW. Kasouga (3326DA)
  • Blaukrans railway bridge (3326BC)
  • Alicedale (3326AC)
  • Brandhoek (3326BC)
  • Brooklands (3326BC)
  • Bushmansrivier Pass
  • Committees Drift (3326BB)
  • E. Atherstone (3326AD)
  • Ecca Pass (3326BA)
  • Farm Harmony (3326CB)
  • Farm Rosaline (3326CA)
  • Farmer´s Field (3326BC)
  • foot of Ecca Pass (3326BA)
  • Gavieskloof, W. Grahamstown (3326AD)
  • Holling Grove, 20 km W. Bathurst (3326DA)
  • Honeydew, S. Atherstone (3326AD)
  • just SE. De Poort, 5 km S. Alicedale (3326AC)
  • Kariega (3326DA)
  • Kavalami (3326BD)
  • Longvale (3326CB)
  • Medow
  • N. Ecca Pass Reserve (3326BA)
  • NNE. Kenton on Sea (3326DB)
  • Penney´s Hoek (3326DB)
  • Pigeon Shooting Farm (3326AD)
  • Port Alfred side of Kasouga River (3326DA)
  • Robin Hill (3326AD)
  • Rosedale (3326CB)
  • Salem (3326AD)
  • Settler´s Monument, Grahamstown (3326BC)
  • Sevenfountains t-off from N2 (3326AD)
  • top of Swartwater Poort (3326AA)


Anonymous said...

Hi Jakub,

What do you think of the varieties chalumnensis, tenuis, adelaidensis, greenii? Are these good, distinct varieties or do you think this is all just coarctata?
best regards

Kuba said...

Hi Kevin,
thanks for your comment. In days back in 1999 when Bruces Haworthia Revisited book was published - these names makes sence (he once told me this name are still valid due to historical reasons?!?!)
In present - he is refusing to accept "new" names, because they are all belonging to one broader species concept - like "mirabilis". In this order I would refuse them and use just coarctata, because the differences are really minor. For example at coarctata f.greenii locality grows normal forms mixed with green form and with all degrees of variability...same with adelaidensis. on one hill you get adelaidensis, less than a 1km apart there is normal coarctata.
Conclusion? I would call them all just coarctata.
Chalumnensis is synonym of reinwardtii.