Crassula expansa Dryand.
subsp. fragilis (Baker) Tölken
var. suborbicularis R. Fern.

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Synonyms: Crassula fragilis Baker subsp. orbicularis R. Fern.
Common names:
Frequency: Rare
Status: Native
See var. fragilis for general description. This variety is mainly distinguished by very broadly obovate to subcircular leaves, which are more densely hairy, rounded at the apex and with a distinct petiole, 1-5 mm long. It also has slightly longer, corollas, filaments, follicles and styles.
Notes: Both the African Plants Database and the Plantlist suggest that var. suborbicularis should be sunk under var. fragilis; however, we have retained it as a separate entity for the time being.
Derivation of specific name: expansa: expanding, spreading;
fragilis: delicate, fragile;
suborbicularis: almost round.
Habitat: In shade on massive shale outcrops, in rock cracks and very thin soil.
Altitude range: (metres) 1120 m (approx)
Flowering time:
Worldwide distribution: It is known only from the type specimen, which was collected in the Chipinge area.
Zimbabwe distribution: E
Growth form(s):
Endemic status: Endemic
Red data list status: Vulnerable
Insects associated with this species:
Spot characters: Display spot characters for this species

Fernandes, R. (1983). Crassulaceae Flora Zambesiaca 7(1) Pages 14 - 15. as Crassula fragilis var. suborbicularis

Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 163. As Crassula fragilis var. suborbicularis

Mapaura, A. (2002). Endemic Plant Species of Zimbabwe. Kirkia 18(1) Page 136.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 37.

Other sources of information about Crassula expansa subsp. fragilis var. suborbicularis:

External websites:

African Plants: A Photo Guide (Senckenberg): Crassula expansa
BHL (Biodiversity Heritage Library): Crassula expansa
EOL (Encyclopedia of Life): Crassula expansa
GBIF (Global Biodiversity Information Facility): Crassula expansa
Google: Web - Images - Scholar
iNaturalist: Crassula expansa
IPNI (International Plant Names Index): Crassula expansa
JSTOR Plant Science: Crassula expansa
Mansfeld World Database of Agricultural and Horticultural Crops: Crassula expansa
Plants of the World Online: Crassula expansa
Tropicos: Crassula expansa
Wikipedia: Crassula expansa

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Crassula expansa subsp. fragilis var. suborbicularis., retrieved 18 June 2024

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