Scientific name - Ceanothus thyrsiflorus
Popular names - blue-blossom, bluebrush, blue-Myrtle, Californian-lilac, céanothe thyrsiflore, Lilas Bleu de Californie.
Distribution and Habitat - originating in North America, California, dominates the coastal areas up to 600 m altitude.
Description - shrub or small tree, evergreen, 1-4 m high. Prostrata strain or upward. Green stalk, glabra, thin, flexible, geniculati. Leaves 2-6 cm long, oblong-elliptic, top obtuse or acute, margin fine teeth 3 ribs prominent upper front glabra, 12-15 mm long stalks. Panic blossom simple or compound, 4-8 cm long, peduncle elongate, flowers pale to dark blue, rarely white. Blooms in April-June. Capsule 3 mm wide, U.S.or lobate, smooth. Pollination made by bees, Apis sp ..
Growth rate - in the first year increases quickly, then increase slowly.
Tolerances - drought, heat, salinity and sandy soils, neutral or slightly alkaline. It tolerates low soil drainage and very wet.
Requirements - soil well-drained, fertile, sunny.
Management - is easy transplanteaza late autumn or spring. It is clipped in April to maintain a compact crown.
Propagation - by seeds or seedlings. Fresh seeds give better results than those stored a year or two. The stored should laminated, or applied to water treatment ͦ 82-93 C for 24 hours.
Potting-up is done with cuttings from new growth semilignificati. Green seedlings, shoots may be attacked by fungi. Lignificati rooted cuttings difficult.
Diseases and pests - Chrysesobothris Mali Synanthedon resplendens.
'Victoria' with dark blue flowers, oval leaves, dark green, grows well in full sun, dry soils, are clipped early spring to maintain compact crown.
'Skylark' with dark green leaves and blue flowers, stand up to temperatures of -10 C. ͦ
'Snow flurry' - cultivar selected by Joseph Solomon, white flowers.
C. thyrsiflorus var. repens - prostrate form.
C. x pallidus 'Marie Simon' - grows up to 1.5 m high, pale pink flowers in terminal panicule.
C. x delilianus 'Henri Desfosse' - deciduu, dark blue flowers, blooming all summer.
Properties and Uses - species used for ornamental fencing you, or on trellises.
Myth, Legendand Folklore - people originating in North America were the first to use Ceanothus. Young and flexible stems are used for production of pimples, and the leaves and roots for medicinal purposes.
Ceanothus americanus species of Ceanothus was first introduced in Europe in 1713.
Ceanothus thyrsiflorus, was the first species in California that has received recognition botany and horticulture.
David Fross, Dieter Wilken - Ceanothus - Timber Press, 2006
Jacqueline Herit - Complete Trees, Shrubs & Hedges - Creative Homeowner, 2005
Leroy Abrams - Illustrated Flora of the Pacific States - Stanford University Press, 1951
Linda Beidleman, Eugene Kozloff - Plants of the San Francisco Bay Region - University of California Press, 2003
Nevin Smith - Native Treasures - Gardening With the Plants of California - University of California Press, 2006
Ronald D. Quinn, Sterling C. Keeley, Marianne D. Wallace - Introduction to California Chaparral - University of California Press, 2006
Trees and shrubs
Angophora hispida Blaxell
Shrub or small tree, 4-5 m high. Gray-red bark at first smooth, exfoliating in due course. Leaves opposite, Sesia or short stalks, cordiform, 5-10 x 2.5-4.5 cm, pale green, pubescent. 3.7 flowers in a corymb, 10-15 cm diameter. Sepa free (dialisepal), green, petals free (dialipetal), white cream. Blooming in January. Fruit capsule.
Caesalpinia gilliesii - a species native to temperate and subtropical regions of South America, grown on every continent as an ornamental species in parks and gardens, may naturalize in areas where the climate is favorable.
Palm mono, with one strain. Trunk erect, gray, 20 m high and 50 cm in diameter. Paripenat-leaves are compound, folio 200-250 pairs of linear-lanceolata. 4,5-5,5 m long Frondele and stalks are covered quarter length. Foliolele have 1,5-5 cm wide. Ribbed rachides may be green or bronze.
Prunus serotina - a native of North America, grows on the edge of forests on sandy soils and poor.
Eriobotrya japonica Lindl
Small tree, 5-10 m high, trunk erect, divide, tomentoase branches, erect and espana, bark gray-brown, smooth, crown open, umbeliforma in adulthood. Leaves persistent, alternate, simple, elliptical language-lanceolata, margine evening, acuminata; nervatiuni lecundare are thick and deep language that seems inflated between them
Tree. Stem thick, iregulat branched, 8-20 m high, small trunk with rough bark and dark, horizontal branches. Leaves opposite, dark green, elliptical language, 10-20 x 6.9 cm, the round, top round, margins entire, ribs parallel and perpendicular to the mid rib. Flowers in axillary Cime of 4-15 flowers blossom is white rachides cream, white flowers, 2.5 cm diameter and 0.8-1.4 cm long.
Soldanella alpina - grows in coniferous forests and grasslands, from 1000 up to 2500 m altitude, moist substrates, rocks, rich in humus.
Calycanthus floridus L.
Shrub 1.8-4 m tall, multiple stems, erect, clocks the fruit. Buds small, round, naked, brown-pubescent. Scaorta smooth lenticele, by burning aromatic, dark gray-brown. Leaves opposite, decidue, simple ovata to elliptic, entire, aromatic if they are broken, shiny, dense tomentoase inside, spring green, autumn is yellow or yellow-versa.
Thevetia peruviana - leandru yellow
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.