12
Jun
2009
Ceanothus thyrsiflorus
Trees and shrubs | Magnoliopsida

Scientific name - Ceanothus thyrsiflorus

Synonyms --

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.

Natural partners and Garden - Arctostaphylos sp., Cercis orbiculata, Clematis sp., Eriodictyon californicum, Marah fabaceus, Rhamnus californica, Toxicodendron diversilobum.

Cultivars and varieties - 'Millerton Point' with glossy foliage and white flowers, introduced in 1970 by Saratoga Horticultural Foundation.

'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.

References

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

Photos
Top
See also
Top
Trees and shrubs
Pinus coulteri D. Don

Monoecious tree, 15-25 m high, trunk 40-120 cm diameter, wide crown, pyramid, iregulata. Bark gray-brown, streaked andanc with solxi long iregulati. Branches ascending, stalk yearly thin, brown-purple, glauca, rugosa, become black after several years.

 
Berberis vulgaris

Bush single, thorny, 2-4 m high. Branches long, arched, with many thorns collected 3; in young yellow, then brown, yellow-gray in old age. Yellow Wood. Leaves simple, outdated, short stalks; oblung language, dark green, glossy on top, the more open on the underside, edge finely toothed, are inserted into the beam to ascela thorns.

 
Betula alba

Betula alba - species, ornamental, decorative crown shape and color of bark, in parks and gardens. The bark is rich in tannins, is used in cosmetics.

 
Drypetes natalensis (Harv.) Hutch

Small tree, 10 m high, branches edges. Leaves alternate, language narrow oblong or elliptic, round base, asymmetrical, margins deeply soirees, shiny dark green on the upper face, and green inside. Stipele linear, 0.1 cm. Flowers in bundles, appear in the armpit leaves and on old wood, male flowers are nested sepa 4.5, 0 petals

 
Camellia japonica

Evergreen ornamental plant of the Theaceae family, native from Eastern Asia, its origin is still controversial, being considered by some as species indigenous from Japonia and, by others, from China. It was introduced into Europe by the Portuguese in 1542 and soon spread to Spain, England, France and Italy; into United States at the beginning of the 18th century, and in Australia during the mid 19th century.

 
Magnoliopsida
Pelargonium australe - Muscat

Herbaceous perennial, 50 cm high, sparsely hairy, stems covered with non-glandular hairs. Leaves opposite, lamina ovata, ± circular, 2-9 cm long, 2-8 cm wide, 5-7 lobes, lobes Curl crenata edge, pubescent or ± glabra, 13 cm long stalks. Flowers arranged in umbele, 4.12 flowers pedunculate, 3.10 cm long, pedicel 1-2 cm long. Calyx lobes are 4.7 mm long, 1-6-8 SEPA, 8 mm long.

 
Diospyros kaki L. - Khaki

Monoecious tree, 6-12 m high. Trunk erect, conical crown, brown bark is exfoliating in small plates. Leaves fell, coriacee, alternate, language oval-elliptic, margin entire, top acuminata, the attenuated, shiny green on top and pubescent towards the bottom, 7-20 x 4.10 cm, petiole 1-1.5 cm long.

 
Salpichroa organifolia

Salpichroa organifolia - perennial, rhizomatic and subfrutescenta. Hailing from South America, naturalized and naturalized French Atlantic coast, around the Mediterranean, Corsica and Spain wet substrates increases from 0 to 600 m altitude.

 
Aesculus hippocastanum - common horsechestnut

Aesculus hippocastanum - is used in parks and gardens, the tree line, solitary or in groups. The flowers are bees, and seeds contain starch, protein, tannin, saponin and edible oil, which can be manufactured soap, technical oil, glue, medicines. Species not produce forest wood is of poor quality.

 
Reseda lutea

Reseda lutea - herbaceous annual, papilla or glabrous. Hailing from Europe, increases alkaline soils, fields, dry ribs, from 0 to 2000 m altitude.

 
   Add to iGoogle
Last posts

Categories

Links