Aridaria

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Aridaria
Aridaria brevicarpa

Aridaria brevicarpa

Systematics
Eudicotyledons
Nuclear eudicotyledons
Order : Clove-like (Caryophyllales)
Family : Midday flowers (Aizoaceae)
Subfamily : Mesembryanthemoideae
Genre : Aridaria
Scientific name
Aridaria
NEBr.

Aridaria is a genus of plants fromthe afternoon flower family (Aizoaceae). The botanical name of the genus is derived from the Latin word aridus for 'dry' and refers to the dry habitat of the plants.

description

The species of the genus Aridaria are low-growing or reach heights of up to 1 meter. They are upright shrubs with thickened roots . The internodes are lignified. The cortex does not contain any additional vascular bundles. Their almost cylindrical, sloping leaves are arranged opposite to one another and briefly fused together at their base. Their central water-storing cells are enlarged. The small bladder cells are mesomorphic and strongly flattened.

The flowers form cymes . They have a diameter of up to 40 millimeters. There are four sepals . The white or on the inside bright pink, yellow, copper-colored, rose-colored or outside red petals are fused with the sepals to form a short tube. There are no thread-like staminodes , the nectaries are shell-shaped.

The four-compartment capsule fruits have flaps that open and close several times. The capsule fruits contain brown or dark brown, D-shaped or horseshoe-shaped seeds with a rough seed coat . They are up to 1.4 millimeters long.

Systematics and distribution

The genus Aridaria is widespread in the south of Namibia and the South African provinces of the Eastern Cape , Northern Cape and Western Cape in the Karoo in winter and summer rain areas .

It was first described in 1925 by Nicholas Edward Brown . The genus Aridaria belongs to the subfamily Mesembryanthemoideae within the midday flower family . The type species is Aridaria noctiflora . The genus was revised in 1996 by Maike Gerbaulet .

The genus includes the following species and subspecies:

proof

literature

  • Heidrun EK Hartmann (Ed.): Illustrated Handbook of Succulent Plants: Aizoaceae AE . Springer Verlag, Berlin / Heidelberg / New York 2001, ISBN 3-540-41691-9 , pp. 75 .
  • Gideon Smith et al. a. (Ed.): Mesembs of the World: Illustrated Guide to a Remarkable Succulent Group . Briza Publications, 1998, ISBN 1-875093-13-3 , pp. 30 .

Individual evidence

  1. ↑ Gardeners' Chronicle . 3rd episode, London 1925, Volume 78, p. 433.
  2. ↑ Maike Gerbaulet: Revision of the genus Prenia NEBr. (Aizoaceae) . In: Botanical yearbooks for systematics . Volume 118, 1996, pp. 41-58.
  3. ↑ Heidrun EK Hartmann (Ed.): Illustrated Handbook of Succulent Plants: Aizoaceae AE . Springer Verlag, Berlin / Heidelberg / New York 2001, ISBN 3-540-41691-9 , pp. 76-80 .

Web links

Commons : Aridaria  - collection of images, videos and audio files
  • Photo of Aridaria noctiflora .