Scientific Name – Ginkgo biloba L.
The first description of the genus and species of Ginkgo biloba L. was given by Linnaeus (1771).
Synonyms – Salisburia adiantifolia Smith, Pterophyllus salisburiensia Nelson.
Common name(s) – arboreal pagoda, maidenhair tree, ya-chiao, maiden hair, ginkgo, arbre aux quarante ecus, entenfussbaum, ginkgobaum, Goethe-baum.nogueira do Japao, arbol de los 40 escudos.
Distribution and Habitat – is native to China.
Description – deciduous tree, 40 m; bark grey, deeply furrowed on old trunks. Buds brown, globose, scales imbricate. Leaves green. Fruit globular, orange-yellow drupe. Seeds obovoid to ellipsoid, yellow to orange, 2.3 – 2.7 x 1.9 -2.3 cm, rugose. 2n = 24
Trees flower after 20-35 years.
Growth rate – slow.
Tolerances – tolerant of air pollution.
Requirements – prefers deep, well-drained but not dry acid or alkaline soil.
Management – pruning is best done in spring.
Propagation – by seeds.
Ginkgo seeds are dormant when they fall from the tree because the embryo is not fully developed. If seeds are collected after dispersal, cleaned, and placed in a warm greenhouse, the embryo will grow to its full size and germinate within 8 to 10 weeks.
Pest and Diseases – Etiella zinckenella infest gingko fruits.The Fussarium sp., Macrophomina phaseoli, Agrotis ipsilon and Gulcula panterinaria are the main cause of mortality in young seedlings.
Pseudomonas syringae cause of leaf spot and stem cankers.
Garden Partners –
Cultivars – ‘Albovariegata’ tree with a broad silhouette, slow growth.
‘Fairmont’ erected and narrowed silhouette, fast growth.
‘Horizontalis’ – very broad silhouette and big leaves, principal branches are in a horizontal position.
‘Tremonia’ – slender form, branches are in a horizontal position and are short.
Properties and Uses – Ginkgo is cultivated throughout the temperate zones of the world for ornamental purpose.
G. biloba roots are colonized by the fungus Glomus epigaeum, forming mycorrhiza.
In Traditional Chinese medicine the seeds are used as an astringent, to stop asthma and regulate urinary frequency.
The leaves of Ginkgo, are first mentioned in Pharmaceutical Natural History of Southern Yunnan, published in 1436 during the Ming dynasty, are used externally to treat skin and head sores.
Curiosity – until 350 years ago interest was restricted to China, its natural habitat, Japan and Korea. There female trees were cultivated on a large scale furnish the nuts which remain a popular delicacy in Eastern Asia until today. Most of the 100 species over 1000 years old that still exist in China are found near Buddhist or Daoist temples.
The Ginkgo was first imported to the United States in 1784 as an attractive ornamental plant.
The Ginkgoales appeared in the Permian era and were at maximum range in the Jurassic.
Frederic RosengartenJr – Book of edible Nuts – Dover Publications Inc, 204
Hyla Cass – User’s Guide to Ginkgo Biloba – Basic Health Publication, 2002
Phyllis Balch – Prescription for Herbal Healing – Avery Health Guides, 2003
Teris A van Beek - Ginkgo Biloba – CRC Press, 2000
Trees and shrubs
Lotus maculatus Breitf.
Herbaceous, with the stem wood, under-shrub pendulum. Strain up to 1.5 m high, glabra, gray-green silky, internoduri 35-45 mm stipele children. Leaves imparipenat, 5 folio; foliole 10-25 x 1 mm, subulate or linear, convex upper and concave lower edges entire, top obtuse-rounded, surface moderately pubescent.
Helianthemum nummularium - Rock Rose
Scientific name, Helianthemum numularium, derived from the Greek Helios = sun and the Latin word indicating the currency, numumus = currency, because the flowers that sparkle in sunlight like a golden coin.
Areca catechu L.
Popular names - English: Areca, Areca-nut, betel nut palm, French: cachou falling within subheading, Arequier, German: Betelnusspalme, Guam: pugua, India: Pan, Spanish: catechou hand, Yap: bu.
Areca catechu - originating in eastern Africa, southern Asia and the Pacific Islands. Grows in tropical climates at altitudes from 0 to 900 m.
Evergreen shrub originating in Southern Ireland and Mediterranean regions, grows slowly, up to 3 to 10 m, reddish bark, young branches are red-hot, dense crown. Leaves alternate, elliptic-lanceolata, 5-10 cm long, parties, except ribs smooth, glossy dark green, pinnate nervatiune. Flowers white to pale pink, sometimes stained with red, 5-10 mm long, campanulata, odorless, ready to panicule 5 cm long, anther clocks.
Tilia cordata - Small-leaved lime, lime hill
Scientific Name - Tilia cordata
Synonyms - Tilia parvifolia Ehrh., Tilia ulmifolia Purpose ..
Names of people - small-leaved lime, lime sulfur, lime hill, Littleleaf Linden, Lindenbluten, Tiliae flos, Fleur de Tilleul.
Distribution and Habitat - originating in Europe, grows on nutrient-rich soil in warm areas.
Description - tree, 20 feet tall. Trunk as thick (can reach up to 1 m diameter). Bark on young specimens is smooth, gray to dark gray becomes mature specimens or brown, pitted. Crown oval, conical. Olive-green stems, at first pubescent then glabrata. Buds 4-6 mm long, usually two outer scales unequal, shiny, olive-green to red-brown, terminal bud is absent. Leaves alternate, simple, subrotunde - ovate, 5-7 c
Tilia cordata - tree, native of Europe, increases in nutrient-rich soil in warm areas.
Lime flowers are the most popular remedy for colds and flu, tea is used to treat headaches, anxiety and nervous tension.