Scientific name - Senna corymbosa (Lam.) Irwin & Barneby
Synonyms - Cassia corymbosa Lamarck, Cassia crassifolia Ortega.
Popular names - Argentina Senna, fedegoso, rama negra sen del campo, shower tree.
Distribution and Habitat - originally from Brazil, Argentina and Uruguay.
Description - evergreen shrub, 2-3 m high, stem thin, highly ramified, almost glabru. Leaves alternate, petiolate, membranous, paripenat compound, 2-3 pairs of folio; stipele linear, obsolete, or oblong-folio oblonga lanceolata, 5 x 1 cm, top acute or obtuse, base round and asymmetrical, the ventral green, glabra . Flowers pentamere, dialipetale, hermaphrodite, zigomorfe their joint corymb raceme, loose, terminal or axillary, yellow calyx unequal SEPA, obovata,5 cm, green, Corola with petals obovata, unequal stamens spatulate androceu 3 and 7 stamens fertile ovary gineceu with higher glabru, unicarpelar, unilocular, polispermic. Noimbrie and blooms in May. Fruit pods, cylindrical pendence, 10-12 cm long, round in cross section generally indehiscenta.
Tolerances - suffer damage following frosts.
Requirements - grows well in moist soil but well-drained, moderately fertile, in full sun. During growth, moderate moisten and apply liquid fertilizers monthly, winter is often wet.
Management - old plants would be severely clipped spring, to force growth in November, but not cut the trunk at ground level.
Propagation - by seeds, it looks to 18-24 ˚ C, Spring. By division, Spring. The semi-lignificati root cuttings in summer.
Properties and Uses - In Argentina esyou grown as a medicinal plant. In the USA and Mexico is planted in areas affected by erosion.
The leaves have laxative properties, and external use is used as emollient and analgesic in the form of poultices. Decoction of leaves is laxative.
Constance Rogers, David J. Rogers - Woody Ornamentals for Deep South Gardens - University Press of Florida, 1991
Ernst Schmidt, Mervyn Lotter, Warren McCleland, Jacana Education - Trees and Shrubs of Mpumalanga - Jacana Media, 2002
Gustavo Aparicio, Eduardo Haen - 100 árboles Argentina - Albatros Ediciones, 2001
John H. Wiersema, Blanca Leon - World Economic Plants - CRC, 1999
Kirsten Albrecht Llamas - Tropical Flowering Plants - Timber Press, 2003
Peter Hanelt, Institute of Plant Genetics and Crop Plant Research - Mansfeld's Encyclopedia of Agricultural and Horticultural Crops - Springer, 2001
Kallstroemia Max (L.) Hook. & Arn.
Evergreen shrub or small tree, 1-2 m high. Branched or with a single stem, thin, often branched stalk with fine hairs, covered with scars of fallen leaves. Leaves alternate, elliptic-round, 5-15 x 5-10 mm, top and tapered-round basis, margins finely toothed or entire, glossy dark green on upper side, more pale green inside; countries, glabra, occasionally glandular, ribbed very short.
Pimenta racemosa (Mill.) JWMoore
Shrub or small tree, 7.5-15 m high; ritidom thin, scaly, producing a scaly trunk. Leaves pungent rum, obovata to elliptic, 3-15 x 1.2-7.5 cm, acute to round at the narrow top, coriacee.
Santolina chamaecyparissus - limbricarita
Perennial species, stem 10-60 cm tall, erect or pendence; nefloriferi stalk is green-gray-tomentos; lujerii floriferi are simple, without leaves before blossom. Pectinata-toothed leaves often to penatsectate. Involucre 6-10 mm wide, hemispherical, subtruncat or not, or slightly rounded at the base; bractei lanceolata-ovata, Carina, the interior with round top. Flowers arranged in the capital, bright yellow.
Trees and shrubs
Canarina canariensis - herbaceous, commutes glaucescenta. Endemic from the Canary Islands, Tenerife, grows at the edge of forests, from 300 to 1000 m altitude.
Prunus serotina - a native of North America, grows on the edge of forests on sandy soils and poor.
Catalpa bignonioides - deciduu tree, a native of south-eastern United States in Alabama, Florida and Mississippi. Cultivated as an ornamental tree.
Bellium artrutxensis sp.nov. Balearic Islands
Prenanthes purpurea - rabbit salad
Herbaceous perennial. Stem branched, 25-150 cm, pubescent. Amplexicaule leaves, elliptical, oblong or fidate, margin entire or Pinata-fidata, glauca. Flowers arranged in panicule, ligula flowers are purple, with 5 teeth, tubular flowers absent.
Helianthemum nummularium - Rock Rose
Scientific name, Helianthemum numularium, derived from the Greek Helios = sun and the Latin word indicating the currency, numumus = currency, because the flowers that sparkle in sunlight like a golden coin.
Acacia sieberiana - tree, 3-25 m tall, rounded crown. Increase in savannah, in semi-arid regions of Africa, from 0-1850 m altitude.