Scientific name - Thevetia peruviana
Synonyms - Cascabela thevetia, Thevetia neriifolia
Popular names - yellow oleander, yellow leandru, nohomalie.
Distribution and Habitat - originally from tropical America, grows on dry soil and sunny position.
Description - evergreen shrub, 6 m high. Stem erect, cylindrical, branched, smooth, green, presents latex. Leaves simple subsesile, alternate, arranged spiral limb linear, entire edge, top acute, glabra, 8-16 cm long. Flowers pentamere, hermaphrodite, actinomorfe, pedicel, arranged in terminal bunches, calyx 5 SEPA, green, persistent; Corola gamopetala, campanulata, lobes rounded, 4-7 x 3-4 cm, yellow stamens 5, short filament; gineceu sincarp, ovary superior, bilocular. Fruit drupe, black, triangular, 2.5-4 cm in diameter.
Propagation - by seeds or seedlings. Semintele germinate difficult.
Properties and Uses - all parts of the plant are toxic. The seeds are extremely toxic and can harm human life.
It can be cultivated as ornamental plants.
Trees and shrubs
Ziziphus jujuba Mill - jujuba
Deciduu tree, 5.12 m high. Stalk annually, thin, 2-3 mm diameter, pale green, glabra, geniculati. Leaves alternate, bright green, elliptical language-lanceolata, margine crenata, top obtuse or emarginat, the round or asymmetrical, 3-5 cm long; nervatiune arch, median rib and a pair of secondary ribs, pale green stalks, 5-7 mm .
Acacia anceps - evergreen shrub, 2-3 m tall. Originally from southern Australia, growing in limestone soils on coastal sand and red-brown sands.
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.
Liquidambar styraciflua - a native of North and Central America, grows in forests of Pinus sp. and Quercus sp. 900 to 200 m altitude.
Cardamine bulbifera - herbaceous species, perennial. Hailing from Europe and Asia Minor, grow on fertile soils, limestone, 200 to 1800 m altit., In association with Coryllus avellana, Carpinus betulus, Crataegus laevigata, Fraxinus excelsior, Quercus robur, ursinum Allium, Carex pendula, Hyacinthoides non- scripta, Mercurialis perennis, Lamiastrum galeobdolon.
Nyssa sylvatica Marsh.
Dioecious tree, 25 meters high. Dark brown bark with deep cracks. Glabra or slightly hairy stalk, thin, red-brown, smooth; mugurele terminal 3-5 mm, nested, 6-8 scales visible, few pubescent and Chile, bicolori with red edges and the rest suprafatei green.
Spartium junceum - native to the Canary Islands and Mediterranean Basin, grows in arid places, ground limestone, from plain to 600-2000 m, in association with Quercus pubescens, Quercus ilex, Fraxinus ornus, Cotinus coggygria.
Reseda phyteuma - annual or perennial grass, native to southern Europe and southwest Asia, North Africa, it grows on basic soils, grassy edges of roads, from 0 to 1900 m altitude.