Trichodiadema

Trichodiadema is a genus of succulent plants of the family Aizoaceae.

Trichodiadema
Trichodiadema densum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Aizoaceae
Genus: Trichodiadema
Schwantes, 1926
Species

See text

The name "Trichodiadema" comes from the ancient Greek "τρῐχός" (=hair, bristle) and "διαδεμα" (=crown)

They come from Cape Province in South Africa.

Description

Trichodiadema are small, short-stemmed succulents with small, elongated, alternating sections measuring 8 mm long. They are grey and green.

At the apex of each alternating section is a ring of small bristles radiating around the center, that give the appearance of a cactus areola.

The flowers look like daisies, with red, pink or white petals, earning them the nickname "Desert Rose". Two species however, Trichodiadema aureum and Trichodiadema introrsum, have flowers that are yellow.

Cultivation

The plant requires sun exposure (although not too intense), and well-drained soil.

Propagation is by division of the clumps. Propagation by cuttings is difficult, because of the risk of rot.

Trichodiademum densum has gained the Royal Horticultural Society's Award of Garden Merit.[1][2]

List of species
Trichodiadema densum
The flower
  • Trichodiadema marlothii L.Bolus
  • Trichodiadema mirabile Schwantes
  • Trichodiadema obliquum L.Bolus
  • Trichodiadema occidentale L.Bolus
  • Trichodiadema olivaceum L.Bolus
  • Trichodiadema orientale L.Bolus
  • Trichodiadema peersii L.Bolus
  • Trichodiadema pomeridianum L.Bolus
  • Trichodiadema pygmaeum L.Bolus
  • Trichodiadema rogersiae L.Bolus
  • Trichodiadema rupicola L.Bolus
  • Trichodiadema ryderae L.Bolus
  • Trichodiadema schimperi (Engl.) A.G.J.Herre
  • Trichodiadema setuliferum Schwantes
  • Trichodiadema stayneri L.Bolus
  • Trichodiadema stellatum Schwantes
  • Trichodiadema stelligerum Schwantes
  • Trichodiadema strumosum L.Bolus
  • Trichodiadema tenue L.Bolus

Notes and references
  1. "Trichodiadema densum". Royal Horticultural Society. Retrieved 23 July 2013.
  2. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 102. Retrieved 24 December 2018.
  3. the most known sprecies. Stems lie on the ground. Silks are longer than those of other species.
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