Trichodiadema marlothii is succulent plant of the genus Trichodiadema, native to the Western Cape Province, South Africa, where it is known from the Robertson and Swellendam areas.
| Trichodiadema marlothii | |
|---|---|
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| Trichodiadema marlothii in flower | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Aizoaceae |
| Genus: | Trichodiadema |
| Species: | T. marlothii
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| Binomial name | |
| Trichodiadema marlothii | |
Description
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A small, semi-decumbent shrub, usually about 4 cm tall. The internodes are not visible on the stems.
The leaves are papillate and each is tipped with 5-10 large, white, radiating bristles (diadems), that are parted and spread out in two directions. The centre-point of the diadem is brown.
The flowers are dark pink in colour, with filamentous staminodes at the centre that have pink tips and pale bases. The petals are sometimes slightly emarginate. The flower stalk and base are covered in brown hairs.
The fruit capsule has six locules, each with very well developed covering membranes.
Related species
editThis species very closely resembles Trichodiadema hirsutum, which differs only in having a larger number of bristles, 20(-40), on its leaf tips.[1]
This species also somewhat resembles Trichodiadema emarginatum, which however has five locules, an even lower growth-habit and petals that are emarginate.[2]
References
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- ^ I.M. Niesler (2017). Trichodiadema Ruschioideae. In: Hartmann H. (eds) Aizoaceae. Illustrated Handbook of Succulent Plants. Springer, Berlin, Heidelberg: 343.
- ^ 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.
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