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
Description:
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
Literature:

Fernandes, R. (1983). Crassulaceae Flora Zambesiaca 7(1) Pages 14 - 15. 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
Biodiversity Explorer (Biodiversity of southern Africa): Crassula expansa
BHL (Biodiversity Heritage Library): Crassula expansa
EOL (Encyclopedia of Life): Crassula expansa
ePIC (electronic Plant Information Center): Crassula expansa
Flora Zambesiaca web site: Crassula expansa
GBIF (Global Biodiversity Information Facility): Crassula expansa
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Crassula expansa
IPNI (International Plant Names Index): Crassula expansa
Ispot Southern Africa: Crassula expansa
JSTOR Plant Science: Crassula expansa
Kew Herbarium catalogue: Crassula expansa
Mansfeld World Database of Agricultural and Horticultural Crops: Crassula expansa
The Plant List (version 1.1): Crassula expansa
Tropicos: Crassula expansa


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Crassula expansa subsp. fragilis var. suborbicularis.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=125090, retrieved 26 May 2019

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