Hartmanthus is a genus of subtropical, succulent flowering plants in the family Aizoaceae, native to the lower Orange River in ǁKaras, Namibia and Northern Cape, South Africa.
| Hartmanthus | |
|---|---|
| |
| Hartmanthus pergamentaceus in ǀAi-ǀAis/Richtersveld Transfrontier Park | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Aizoaceae |
| Subfamily: | Ruschioideae |
| Tribe: | Ruschieae |
| Genus: | Hartmanthus S.A.Hammer |
| Type species | |
| Hartmanthus pergamentaceus | |
Description
editPlants grow as densely leaved dwarf shrubs. Their leaves are up to 70mm long, 15mm wide, and 20mm thick; they have a smooth, firm surface and remain attached for years after drying out. Inflorescence is in the form of 75-117 white to pink flowers 45-55mm in size; internodes are orange. Its seeds are egg-shaped, reddish-brown and are 0.9mm to 1mm in length.
Taxonomy
editPlants in Hartmanthus were placed in Delosperma by Louisa Bolus and were separated in 1995.
Species
edit- Hartmanthus hallii (L. Bolus)
- Hartmanthus pergamentaceus (L. Bolus)
References
edit- Hartmann, Heidrun (2017). Illustrated Handbook of Succulent Plants: Aizoaceae (2nd ed.). Springer. p. 667. doi:10.1007/978-3-662-49260-4_68. ISBN 978-3662492581.
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