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HERREANTHUS (Schwantes) S.A. Hammer stat. nov.
from Schwantes former Herreanthus genus which commemorated Hans Herre

Distribution: Bushmanland - Namaqualand divide Richtersveld

Species in CATAPHRACTA group: (Type: Conophytum herreanthus S.A. Hammer nom. nov.)

• Conophytum blandum
• Conophytum herreanthus ssp herreanthus
• Conophytum herreanthus ssp rex
• Conophytum marginatum var marginatum
• Conophytum marginatum var karamoepense
• Conophytum marginatum var littlewoodii
• Conophytum regale
• Conophytum semivestitum

The HERREANTHUS group is based on Schwantes' former genus Herreanthus (which commemorates Hans Herre).  The HERREANTHUS group is made up of plants which just seem to link with each other (C. herreanthus -> C. blandum <- C. marginatum).  The Herreanthus group could be linked to Miniscula group and maybe even the Subfenestrata group (by means of the pustules and windows).

Description of plants in the HERREANTHUS:

The stemless medium-sized plants have an epidermis that is glabrous or papillate, the epidermis is not glossy nor windowed except near the fissure.  The glabrous or papillate fissure is pale-green to ashen-green to purplish, spotted or unspotted, a large pustule may be present.  The bodies are v-shaped to long-cylindrical and sparsely to freely dividing.  The bodies are firm or rubbery and the leaves are partially free or apically keeled if fused.  The leaf tips may be sharply apiculate.  Sheaths may be firm and papery or felt-like, white to dark brown in colour.

Description of flowers and capsules in the HERREANTHUS group:

The flowers are diurnal and are usually strongly scented.  Flowers usually stay open after a few days.  The petals may be pink, purple or white (rarely) and never yellow.  Stamens long and free filemenaceous staminoides may be present.  The papillate often spongy capsules are white to pale tan or rarely deep rust-red, it is usually sharply pointed and it is not aromatic.   The seedlings have a prolonged juvenile phase (3 - 6 years, flowering after 3 years),  the cotyledons are obconical and truncate.

Reference:  S.A. Hammer, "The Genus Conophytum A Conograph", Succulent Plant Publications 1993.

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