Trichodiadema barbatum

Trichodiadema barbatum is succulent plant of the genus Trichodiadema, native to the Eastern Cape Province, South Africa.[3]

Trichodiadema barbatum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Aizoaceae
Genus: Trichodiadema
Species:
T. barbatum
Binomial name
Trichodiadema barbatum
Synonyms[2]
List
    • Mesembryanthemum barbatum L.
    • Mesembryanthemum stellatum Mill.
    • Mesembryanthemum stelligerum Haw.
    • Trichodiadema stellatum (Mill.) Schwantes
    • Trichodiadema stelligerum (Haw.) Schwantes

Description
Botanical illustration of Trichodiadema barbatum (as Mesembryanthemum barbatum)
Trichodiadema barbatum in cultivation

A small, gracile, erect-to-decumbent plant, with long, slender, fragile, stick-like branches. The internodes are minutely papillate; On young branches the internodes are green, becoming grey on older branches.[4]

The grey-green leaves are slightly triangular in cross-section, and have large bladder cells on their leaf-surface. Bristles (5-7) emerge from the dark tip of the leaf.

The solitary, bright pink-to-purple flowers are born on long pedicels. They have petals with slightly notched apices, small pale filamentous staminodes, and yellow anthers.

The fruit capsule is 5-locular, like that of Trichodiadema burgeri (but unlike some other species in the genus, such as Trichodiadema densum and Trichodiadema marlothii.[5][6]


It has gained the Royal Horticultural Society's Award of Garden Merit.[7]

Wikimedia Commons has media related to Trichodiadema barbatum.

References
  1. Z. Sukkulentenk. 2: 188 (1926)
  2. "Trichodiadema barbatum (L.) Schwantes". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 29 November 2020.
  3. SANBI Red List page
  4. H.E.K. Hartmann. (2017). Illustrated Handbook of Succulent Plants: Aizoaceae F-Z. Springer Verlag
  5. I.M. Niesler (2017). Trichodiadema Ruschioideae. In: Hartmann H. (eds) Aizoaceae. Illustrated Handbook of Succulent Plants. Springer, Berlin, Heidelberg: 341
  6. H.E.K. Hartmann and I.M. Niesler. (2013). A new morphological study of the genus Trichodiadema (Aizoaceae) permits the description of a new subgenus, t. subg. Gemiclausa. Bradleya 31:58-75.
  7. "Trichodiadema barbatum". The Royal Horticultural Society. Retrieved 29 November 2020.
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