Adromischus

Adromischus is a genus of flowering plants. They are easily-propagated, leaf succulents from the family Crassulaceae, which are endemic to southern Africa. The name comes from the ancient Greek adros (=thick) and mischos (=stem).

Species
The species of Adromischus are divided into five sections, based on their shared characteristics and relationships:

Section 1 (Adromischus)
Flowers bright green, tubular, with short, wide, triangular, recurved lobes. Anthers protrude from a flower tube. Indigenous mainly to the western, winter-rainfall regions of South Africa.
 * Adromischus alstonii
 * Adromischus bicolor
 * Adromischus filicaulis
 * Adromischus filicaulis subsp. marlothii
 * Adromischus hemisphaericus
 * Adromischus liebenbergii
 * Adromischus liebenbergii subsp. orientalis
 * Adromischus montium-klinghardtii
 * Adromischus roanianus
 * Adromischus subdistichus

Section 2 (Boreali)
Grooved, tubular flowers, with ovate-triangular, recurved lobes that are undulated on the margins. Anthers protrude from flower tube. Indigenous to the arid, summer-rainfall interior of Southern Africa.
 * Adromischus schuldtianus
 * Adromischus schuldtianus subs. juttae
 * Adromischus schuldtianus subs. brandbergensis
 * Adromischus trigynus
 * Adromischus umbraticola
 * Adromischus umbraticola subs. ramosus

Section 3 (Brevipedunculati)
Grooved, funnel-shaped flowers with acuminate-triangular, widely spreading lobes, born on long stalks. Inflorescence branched. Usually spreading or stoloniferous plants.
 * Adromischus caryophyllaceus
 * Adromischus diabolicus
 * Adromischus fallax
 * Adromischus humilis
 * Adromischus nanus
 * Adromischus phillipsiae

Section 4 (Incisilobati)
Tubular flowers with elongated lanceolate-triangular lobes. Plants with short, compact, upright stems.
 * Adromischus halesowensis
 * Adromischus inamoenus
 * Adromischus maculatus
 * Adromischus mammilaris
 * Adromischus maximus
 * Adromischus sphenophyllus
 * Adromischus triflorus

Section 5 (Longipedunculati)
Pale or pubescent inflorescence with elongated, lanceolate-triangular lobes.
 * Adromischus cooperi
 * Adromischus cristatus
 * Adromischus cristatus var. clavifolius
 * Adromischus cristatus var. mzimvubuensis
 * Adromischus cristatus var. schonlandii
 * Adromischus cristatus var. zeyheri
 * Adromischus leucophyllus
 * Adromischus marianiae
 * Adromischus marianiae var. hallii
 * Adromischus marianiae var. immaculatus
 * Adromischus marianiae var. kubusensis
 * Adromischus marianiae 'Alveolatus'
 * Adromischus marianiae 'Antidorcatum'
 * Adromischus marianiae 'Bryan Makin'
 * Adromischus marianiae 'Herrei'
 * Adromischus marianiae 'Little Spheroid'
 * Adromischus marianiae 'Red Mutation'
 * Adromischus marianiae 'Tanqua'
 * Adromischus subviridis

So-called Adromischus oviforme specimens are actually Adromischus filicaulis subsp. marlothii; Adromischus oviforme doesn't actually exist.