Chasmatophyllum musculinum(Haw.) Dinter & Schwantes

WFO wfo-0000599904 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Chasmatophyllum musculinum, photographed by Andrew Deacon
fig. a Andrew Deacon, CC0 1.0 / 2022-04-01 / obs. 187484056

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

The specimen a real sheet, in a real collection

Herbarium
Royal Botanic Gardens, Kew
Accession
K000076659
Filed as
Chasmatophyllum musculinum (Haw.) Dinter & Schwantes
Det. by
Hammer, S.
Collected
Pole-Evans, I.B.
Origin
ZA
The sheet
View the digitised specimen (CC BY 4.0)

A real pressed plant, in a real collection, under the accession number above. Not an illustration of one. The holding institution does not serve this sheet’s image to third parties, so there is no photograph here. The record is real and the link goes to it. Where we hold no openly licensed sheet for a species this section is simply absent, and where a sheet never recorded who determined it, that field stays empty rather than being filled in. Roughly half of all herbarium sheets never recorded a determiner, which is ordinary.

Native range 5 botanical countries

Regions where Chasmatophyllum musculinum is native: Cape Provinces, Free State, Lesotho, Namibia, Northern Provinces Cape ProvincesFree StateLesothoNamibiaNorthern Provinces
Native distribution of Chasmatophyllum musculinum, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Cape Provinces CPP AFRICA
Free State OFS
Lesotho LES
Namibia NAM
Northern Provinces TVL

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Where it actually grows measured, from 213 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low -0.2 °C 2.2 °C 5.8 °C
Warmest month, mean daily high 24.8 °C 29.0 °C 31.3 °C
Annual rainfall 282 mm 522 mm 718 mm
Rainfall in the driest quarter 23 mm 40 mm 70 mm

It is found where winters bring light frost. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 213 research-grade observations of Chasmatophyllum musculinum that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one.

Also published as 4 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Mesembryanthemum dinterae Dinter
  • Mesembryanthemum musculinum Haw.
  • Mesembryanthemum recumbens N.E.Br.
  • Stomatium musculinum (Haw.) Schwantes

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.