Scientific Name – Aeonium arboreum
Synonim – Sempervivum arboretum L.
Common name(s) – tree aeonium, tree houseleek, ensaiao, saiao, garchosilla, siemperviva mayor, kalluwa.
Distribution and Habitat – it is native to Morocco in northern Africa and the southern Mediterranean islands.
Description – subshrub, stem woody at base, are often branching. Leaves borne at the ends of the branches in rather flat rosettes, 10-25 cm diameter; leaves 5-15 x 1-4 cm, glossy, light green to yellow-green, long-spatulate, margined with fine white hairs, acuminate, bases cuneate. Inflorescences pyramidal panicles, 10-25 x 10-15 cm; peduncul 5-20 cm; pedicel 2-12 mm; flowers 9-11, bright yellow, sepals pubescent, petals 5-7 x 1.5-2 mm. Flowering in December-April. n = 18.
Growth rate – grow 2 m in its native habitat, though more like 30-90 cm in cool-temperates climates.
Tolerances – tolerate summer water, but prefer to be on the dry side.
Requirements – prefer porous, well-drained soil.
Propagation – by seeds, and cultivars by cuttings. Trim each cutting to 9 cm long and insert in a pot of gritty compost to root.
Pest and Diseases –
Garden Partners – Agave celsii, Aloe striata, Kalanchoe sp., Senecio serpens.
Cultivars – ‘ Atropurpureum’ – cultivar with vegetative parts colored deep copper to dark purple in the summer. It needs full sun to attain the most color.
‘Luteovariegatum’ has green leaves with wide margins of light yellow.
‘Zwartkop’ has glossy leaves, dark purple, new growth is greener. Do fine in full sun, prefer partial shade, especially in areas that have harsh summers.
Properties and Uses
Daniel Guillot Ortiz, Emilio Laguna Lumbreras, Josep Antoni Rossellò Picornell – La familia Crassulaceae en la flora aloctona valenciana – CEDro, 2009
Umberto Quattrocchi – CRC World Dictionary of Plants Names – CRC Press, 1999
Cactus and succulent plants
Genus name comes from Prince Raimondo di Sangro (1710-1771) of San Severo, born in Naples, Italy. In 1753 Carl Linnaeus in Species Plantarum, including the genus Sansevieria in Aloe. Sansevieria genus was stabilized by Thunberg in 1794 described the second species, S. thyrsiflora and S. aethiopica.
Agave americana - herbaceous plant, perennial, rhizome drajonant. Arid soils increases in southern Texas, but naturalized in warm regions of the globe.
Agave blooms just once in its life cycle, from 80-100 years after the plant dies.
Succulent perennial. Short stem with a rosette of leaves at the base. The leaves are 5-7.5 cm long, obovata-spatulate, concave, tomentoase. Blossom side, 20-30 cm long, flowers campanulata, yellow-orange, 5 SEPA, 5 petals, 10 stamens.
Aloe vera Mill.
Petiole long, brown at the base. Language leaves to ovat ovat-elliptic, top short acuminata, the round or obtuse, dark green on top with green central rib, except nervurii glabra. Blossom terminal, spike side flat, narrow oblong, 15-40 cm long, peduncle 25 cm long, 4,5-6 cm wide, green-yellow bractei
Sinningia speciosa Nees - Gloxinia
Plants with succulent stems, leaves and flowers unisexuate asymmetric, long pedunculate, grouped dichaziu terminal. ♂ flowers usually are obsolete, consisting of 4 petals oval, two of which are shorter, the ♀ consist of 4 petals equal, persistent.
Cyclamen persicum is a tuberous perennial species, originated in Persia. Cordiforme leaves, 2-14 cm long, dark green, mottled with silver, long petiole. Flowers axillary, solitary, 5 petals ciclamen reflected color, red, white, purple, floral stem of 5-15 cm tall, blooming from late winter to early spring. Fruit capsule.
Digitalis purpurea - ornamental species, the size and elegant in almost any soil type and situation.
Digitalis purpurea digitalina contains a powerful drug used for heart disease. London was introduced in the 1650s in the pharmacopoeias.
Nicotiana alata - perennial species, native to Brazil, Argentina and Paraguay. The genus name 'Nicotiana' was given in honor of Jean Nicot of Villemain, French consul in Lisbon, which in 1560 sent seeds to France.
Deciduu or semi-evergreen shrub, prostrat, 50-150 cm tall and 1.2-1.8 m wide, often branched, with horizontal branches. Buds are pink opening spring. Suborbiculare or elliptical leaves, glossy dark green. The flowers are pink, small, almost Sesi, 1-2, anther white blooms in May-June, attracting bees.
Cassia angustifolia - ornamental shrub, belongs to the family Fabaceae, native of northern Africa.