Scientific Name - Sedum acre L.
Synonyms - Sedum neglectum Ten.
Popular names - iarba ciutei, ghetisoare, soldina, buruiana de trinji, una de gato, siempreviva menor, biting stonecrop, wall-pepper, erba pignola.
Distribution and Habitat - originated in Europe and the Mediterranean Basin, from 600 to 2200 m altitude, common dry soil, sand, walls, rocks and limestone soils.
Description - Perennial species, juicy, sterile stems numerous, 5-15 cm high. Leaves 2.5 - 6.5 mm, ovate, more or less subsferice; leaves on sterile strains are nested. Flowers hermaphrodite, actinomorfe, pentamere, subsesile; dialisepal calyx, sepals 5 mm long, lanceolate, petals 5-8 mm, lanceolate, acute acuminata, intense yellow, 10 stamens, anthers yellow. Blooms in April-August. Fruit follicles patent. Seeds ellipsoid or pyriform,top and base obtuse, with a wing at the base, 0.6-0.8 x 0.3-0.4 mm, yellow-orange. 2n = 80
Growth rate - slow.
Tolerances - tolerate drought. Do not tolerate excessive moisture.
Requirements - sandy soil, well drained, sunny exhibitions.
Propagation - by stem cuttings, leaves.
Garden Partners - Aubrietia sp. Iberis sempervirens, Dianthus deltoides.
Properties and Uses - a species used for ornamental purposes, for rocarii and roof gardens.
Curiosity - the Romans used as a purgative and anthelmintic Sedum acre. In the courtyards of medieval monasteries were grown for medicinal properties.
Herbaceous perennial. Rhizome long, soft, or short and nodosa. Stem 1 m tall, sterile stems short. Leaves alternate, short stalks, lamina linear - ovata, margins entire, nervatiune parallel. Blossom terminal umbela-loose.
Coreopsis tinctoria - North American native grass, cultivated as ornamental species for mixed borders, in pots and cut flowers.
Leonotis Leonurus - a species native to southern Africa but cultivated throughout the world as ornamental species in parks and gardens.
Leonotis grecum derived from 'Leon' = lion, and 'Otis' = ear alluding to the shape of the corolla.
Geranium argenteum - herbaceous perennial, grows in the Alps, the limestone rocks in central and northern Italy until SE France, from 1600-2100 m altitude. Rare species.
Helleborus viridis - originating in Spain, France, Italy and Switzerland; grows on calcareous soils from 0 to 1700 m altitude, to the edges of deciduous forests, beech forests and mixed forests, grows in association with Arum dioscoridis, Crocus sp., Cyclamen coum, Fritillaria sp. Hyacinthus orientalis.
Aeonium arboreum - tree aeonium
Sunshrub native from Maroc, stem branching, leaves borne at the ends of the branches in rather flat rosettes.
Robinia pseudoacacia - Acacia
Tree, 25 m high, crown iregulata, oval, open. Maroni stalk, thin, tomato-brown of thorns present 1.5-2.5 cm long. Small buds superimposed. Leaves alternate, imparipenat-compound, 7-19 folio elliptical, obovata, opposite, entire edge, nervatiune pinnate, 4-5 cm long, green or green glauca, are yellow in autumn.
Shrub 3 m high. Leaves disposed in each vertical 3 (4), the busiest peak, linear, 1.5 cm long, acuminata-mucronata, bright green top and white on the inside of the main rib prominent, margins Revol.