Lithops dorotheae

from Wikipedia, the free encyclopedia
Lithops dorotheae
Lithops dorotheae (Cole number 124)

Lithops dorotheae
(Cole number 124)

Systematics
Nuclear eudicotyledons
Order : Clove-like (Caryophyllales)
Family : Midday flowers (Aizoaceae)
Subfamily : Ruschioideae
Genre : Lithops
Type : Lithops dorotheae
Scientific name
Lithops dorotheae
Nel

Lithops dorotheae is a species in the genus Lithops from the family of aizoaceae (Aizoaceae). The epithet of the species honors Dorothea Christina van Huyssteen, a daughter of the Bellville- based South African succulentcollectorD. P. van Huyssteen, whocultivatedthe type specimen of the species.

description

Lithops dorotheae grows in groups with two to five (rarely seven) flat-heart-shaped heads that are 18 to 23 millimeters long and 12 to 16 millimeters wide. The head halves are separated by a shallow gap and have an elliptical-kidney-shaped, smooth end surface . The edge surrounding the end faces is clearly and sharply delimited, serrated or indented irregularly. It surrounds a few to many irregularly shaped, usually very clearly pronounced small to large and in various shades of muted cream-colored, yellowish or pale pink light brown colored islands as well as more or less closed windows . The irregularly shaped, translucent grayish, brownish or reddish green or greenish gray shaded channels are broad to narrow. Numerous bright to dark blood-red or orange-red colored rubrications in the form of thick lines, dots, hooks and stars can be found in the windows and channels , which are sometimes connected to an interrupted network.

The yellow, usually five-fold flowers reach a diameter of 20 to 42 millimeters. The broadly elliptical to elliptical shaped and in profile boat-shaped, somewhat flat above capsule fruits consist of five chambers.

Systematics and distribution

Lithops dorotheae is widespread in Namaqualand in the South African province of North Cape . The first description was made in 1939 by Gert Cornelius Nel after plants collected by Aletta Helena Eksteen in 1935 near Pofadder . On the basis of the same plant material, Harriet Margaret Louisa Bolus (1877-1970) described the species Lithops eksteeniae , which was published 15 days later and is therefore only a synonym of Lithops dorotheae today.

proof

literature

  • Desmond T. Cole, Naureen A. Cole: Lithops: Flowering Stones . Cactus & Co. 2005, pp. 126-129, ISBN 8890051175
  • DT Cole, NA Cole: Lithops . In: Heidrun EK Hartmann : Illustrated Handbook of Succulent Plants: Aizoaceae FZ , Springer Verlag, Berlin / Heidelberg / New York 2001, p. 120, ISBN 3540417230
  • Steven A. Hammer: Lithops: Treasures of the Veld (Observations on the Genus Lithops NEBr) . British Cactus and Succulent Society 1999, p. 57, ISBN 0902099647
  • Rudolf Heine: Lithops - living stones . 2nd edition, Neumann Verlag 1990, p. 124 f., ISBN 3740200006
  • Gert Cornelius Nel : Lithops . University Press, Stellenbosch 1946, pp. 73 f.

Individual evidence

  1. ^ Succulenta . Volume 21, No. 7, 1939, pp. 77-79
  2. ↑ Notes on Mesembryanthemum and allied genera . Part III, p. 163, Cape Town 1939
  3. ↑ Desmond T. Cole: Lithops dorotheae Nel - A tragedy of errors . The National Cactus and Succulent Journal . Volume 25, 1970, pp. 106-108

Web links

Commons : Lithops dorotheae  - album with pictures, videos and audio files