Solanum incanum
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Solanum incanum |
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Solanum incanum (sometimes referred to as Jericho tomato or Palestine nightshade hereinafter) is a plant type from the subgenus Leptostemonum in the genus of Solanaceae ( Solanum ). The up to 120 cm high plant occurs from northeast Africa to India .
description
Solanum incanum is a shrub up to 120 cm high , the stems and branches of which are densely tomentose with yellowish-green, star-shaped trichomes and covered with spines. The spines are conical in shape, colored yellow, can be straight or curved, and are up to 8 mm long. The leaves are 3.5 to 8 cm long and 2.5 to 6.5 cm wide. The shape of the leaf blade is ovate to broadly ovate, the leaf edge is wavy, the entire leaf surface is densely tomentose with grayish-green, star-shaped trichomes, on the leaf veins there are a few spines.
The partial inflorescences are often in pairs, with one partial inflorescence bearing bisexual flowers and the second forming a short cluster of (rarely only two) three to five male flowers . The inflorescence stalks are 10 to 20 mm long. Both the flower stalks and the calyxes of the flowers are tomentose with star-shaped trichomes and sparsely covered with spines. The calyx is 6 to 7 mm long and is often thickened when the fruit is ripe. The crown is purple-blue in color, the coronet has a diameter of 3 to 3.5 cm and consists of 9 to 11 mm long, triangular corolla lobes. The outside is densely tomentose with star-shaped trichomes, the inside is only sparsely hairy. The dust bag are 5 mm long and extended to 6, pen and ovary are fine hair.
The fruits are spherical, yellow berries with a diameter of 25 to 30 mm. The seeds are about 2.5 mm wide, almost kidney-shaped, pale brown and finely folded like a reticulum.
The number of chromosomes is 2n = 24, less often 48.
distribution
The range of the species includes Ethiopia , Sudan , Egypt , the Arabian Peninsula , Iran , Pakistan and India . It is particularly common there on plains and in the flatter mountains up to 1400 m.
Individual evidence
- ↑ http://www.vnsg.ch/public/dokumente/Kultur-_und_Giftpflanze_Italien.pdf ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
- ↑ Solanum incanum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
literature
- Yasin J. Nasir: Solanum incanum . In: Flora of Pakistan , Volume 168, National Herbarium, Pakistan Agricultural Research Council, Islamabad and Department of Botany, University of Karachi, Pakistan, 1985. p. 16.
Web links
- Solanum incanum . In: S. Dressler, M. Schmidt, G. Zizka (Eds.): African plants - A Photo Guide. Senckenberg, Frankfurt / Main 2014.