Hartmanthus

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 L. Bolus

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.

Description

Plants 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

Plants in Hartmanthus were placed in Delosperma by Louisa Bolus and were separated in 1995.

Species

• Hartmanthus hallii (L. Bolus)
• Hartmanthus pergamentaceus (L. Bolus)

References

• 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.