Arenifera

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Arenifera
Systematics
Eudicotyledons
Nuclear eudicotyledons
Order : Clove-like (Caryophyllales)
Family : Midday flowers (Aizoaceae)
Subfamily : Ruschioideae
Genre : Arenifera
Scientific name
Arenifera
AGJMr

Arenifera is a plant kind from the family of aizoaceae (Aizoaceae). The botanical name of the genus is derived from the Latin words arena for 'sand' and ferre for 'to carry' and refers to the fact thatsand accumulateson the foliage leaves of the type species Arenifera pillansii .

description

The species of the genus Arenifera grow as a shrub up to 40 centimeters in height. The lateral short shoots appear curled through the leaf scars. Their leaves are triangular to sharp triangular. The cells of their epidermis are thinly papillated , the outer epidermis wall contains varying amounts of crystal sand . The therein stomata are vaulted and therefore slightly recessed.

The inflorescence bears bracts . The flowers have four to five sepals and pink petals . The up to 25 filamentous staminodes are completely purple or white in the lower area. They surround the stamens in a loose cone. The nectarium forms a lophomorphic ring.

The six to eightfold fruits are funnel-shaped at their base. Their valve wings are wide or absent. The narrow closure bodies form a small cap. The fruits contain elongated, pear-shaped seeds .

Systematics and distribution

The genus Arenifera is distributed in South Africa in the northwest of the North Cape Province and in the west of the Western Cape Province on gravelly plains or gentle, rocky slopes. The species grow in areas with rainfall of less than 100 millimeters annually, which falls mainly in winter.

The first description of the genus by Hans Herre was published in 1948. The genus Arenifera includes the following species:

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. 68-70 .
  • 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. 346-347 .

Individual evidence

  1. ↑ Hans Herre: Arenifera Herre gen. Nov. In: Succulents. Yearbooks of the Swiss Cactus Society . Volume 2, Zurich 1948, pp. 35-38.

further reading

Web links