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biodiversity explorer

the web of life in southern Africa

Genus: Merciera

Life > eukaryotes > Archaeoplastida > Chloroplastida > Charophyta > Streptophytina > Plantae (land plants) > Tracheophyta (vascular plants) > Euphyllophyta > Lignophyta (woody plants) > Spermatophyta (seed plants) > Angiospermae (flowering plants) > Eudicotyledons > Core Eudicots > Asterids > Euasterid II > Order: Asterales > Family: Campanulaceae

Six species, all endemic to the Western Cape, South Africa.

Species native to southern Africa

List from Plants of Southern Africa - an Online Checklist (SANBI).

Merciera azurea

Distribution ranges from Sir Lowry's Pass to Bredasdorp where is occurs in sandy or stony soils at elevations ranging from 100 to 650 m. Flowering time November to February.


Merciera brevifolia

Distribution includes Babylons Tower, Bot River, Houwhoek, Shaw's Mountains and the Caledon Swartberg. It appears to hybridise with Merciera leptoloba on the Houwhoek mountains where these two species occur sympatrically. Flowers November to February.


Merciera eckloniana

Distributed from Groenlandberg northwards to Tulbagh where it occurs in sandy or stony soil at elevations ranging from 450 to 1500 m. Flowering time October to February.


Merciera leptoloba

A common species along the Cape southeast coast from Kogelberg to Bredasdorp. It occurs on sandy or stony flats and hills at elevations ranging from sea level to 400 m. Flowering time November to March.


Merciera tenuifolia

A localised fynbos species distributed in a small area of the Western Cape that includes Bot River, Houwhoek and Kogelberg. It grows on stony soils at elevations ranging from 110 to 600 m. Flowering time December to January.


Merciera tetraloba

Distribution includes Faure, Gordon's Bay, Sir Lowry's Pass, Somerset West, Strand, Dal Josaphat, Du Toitskloof, Stellenbosch, Hermon and Malmesbury. Occurs in clay soil on flats and lower mountain slopes at elevations from 30 to 350 m. Its occurence in disturbed habitats is symptomatic of its distribution which covers an area under heavy pressure of urban development. Flowering time November to January.



  • Cupido, C.N. 2006. A taxonomic revision of the genus Merciera (Campanulaceae). Bothalia 36(1): 1-11.