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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. References 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
See also
 Green Pharmacy
Picea glauca
Species native to North America, boreal Canada - Western Alaska, increases along with Picea mariana, Pinus banksiana, Populus tremuloides, Abies balms, Betula lutea and Acer saccharum. Port pyramidal, columnar, dense crown, 14-21 m high and 30-45 cm diamteru trunk, root surface, thin crust, less than 2.5 cm thick, gray-purple. Hedeoma pulegioides
Stem very thin, erect, branched, finely pubescent, 15-45 cm high. Leaves ovat until obovata-oblong, ribbed, few soirees, top obtuse, base narrow, glabra, slightly pubescent, thin, upper leaves are smaller. Flowers in bunches, axillary, pedicel pubescent, less than or equal to calyx, calyx pubescent, lobes 3 short and 2 longer lobes. Corola white or blue-violet. Blooms in July-September. Hypericum perforatum L. - hay, pojarnei
Perennial herbaceous plants, 30 - 100 cm tall. Stem cylindrical, with two edges, bark, woody at the base, branched, reddish. Leaves opposite, oblong-lanceolata, top acute-round basis acuminata, margins entire, Revol, Sesia, 1.5-4 cm long, on both sides with black spots. Flowers grouped into numerous terminal corymb Quillaja saponaria
Evergreen tree, 15-20 m high. Leaves simple, alternate, coriacee, limb oval edge gear, 2.5-5 cm long, short stalks. Flowers arranged in dense corymb, hermaphrodite, pentamere, white, 1.5 cm in diameter, calyx of 5 SEPA. Fruit capsule, containing 10-20 seeds. Trees and shrubs
Hamamelis virginiana
Species native to North America, lies at altitudes up to 1500 m in Romania is less common in parks and gardens as ornamental species. Leaves, branches and bark is an aromatic oil extracts used in medicine. Cananga odorata
Evergreen tree, 10-40 m height, 3 m. Branches culture clocks or easy erection. Bark smooth, gray-white to silver. Leaves alternate, dark green, 7-20 cm long, slightly pubescent, oblong-elliptic, prominent central rib, full and wavy edges, top acute, base acute. Ribes uva-crispa - agris, grapes bear
Thorny shrub, 1 m high. Gray-brown bark is exfoliating. Rich stem branched divaricata. Branches long, thin, gray-brown with yellow top, pubescent glabrata in youth and adulthood. Leaves simple, cordiforme, 3-5 lobed, toothed, long stalks Thunberg mysorensis
Thunberg mysorensis is used as an ornamental species for rapid growth and flowers arranged in raceme. Blooms in July-September. Syzygium aromaticum - clove
Small, oblong fruit with little pulp. The dried flower buds of this tree are the cloves of commerce. All parts of the tree are highly aromatic. It is used in the form of a paste or mixture as dental cement. Magnoliopsida
Acanthus mollis - Bear's Breeches
Native of the Mediterranean area, grows in gardens like ornamentals. Flower can be over 1.8 m tall, the purple-pink bracts contrasting with the white flowers. Prefer shelter and deep, moist soil. Tibouchina urvilleana
Tibouchina urvilleana - shrub, to 4 m high. Belong to the genus Tibouchina about 350 species of shrubs and undergrowth of tropical America, most of them being found across the globe species grown as ornamentals. Aquilegia fragrans - fragrant caldarea
Herbaceous perennial. Roots thin. Stem 30-100 cm tall, branched, slightly pubescent on the underside, becoming glandular-pubescent in the upper. Basal leaves bi or tri-Ternate, glauca, lobes 2-3-lobate, 1.5-4 x 1.5-4 cm, base cuneata, obovata, glabra green glauca and upper face, and pale green inside pubescent, hairy stalks. Aeonium arboreum - tree aeonium
Sunshrub native from Maroc, stem branching, leaves borne at the ends of the branches in rather flat rosettes. Tithonia rotundifolia
Tithonia rotundifolia - annual species, native to Mexico and Central Aerica, cultivated as ornamental species. |
 
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