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Valentine.gr  

June 2007

Did you know that a species of Gunnera plant is commonly known as "Sombrilla de Pobre" (umbrella of the poor) because was used by the workers in the fields as an umbrella?

Giant Gunnera with flowers ( Gunnera manicata) 

Gunnera - Gunnera spp.

Gunnera is a genus of herbaceous flowering plants, some of them gigantic. The genus is the only member of the family Gunneraceae. This genus was named after the Norwegian botanist Johann Ernst Gunnerus.

These perennials are mainly grown for their beautiful foliage. Gunnera isn't hardy in very cold climates; they are natives of South America, South Africa, Tasmania, Abyssinia, Java, New Zealand and Hawaii. The 40-50 species vary enormously in leaf size. 

There are actually two species, not easily told apart, that go by the common name Giant Gunnera. Both can have individual leaves that are 4-6' across. (In the wild in their native Chile, leaves may be 8-10' across.) The main difference between the two species is that G. manicata is a little taller, to 8', while G. tinctoria is usually more like 6' tall.

Gunnera manicata, native to the Serra do Mar mountains of southeastern Brazil, is perhaps the largest species, with leaves typically 1.5-2 m (5-6 ft) wide, but exceptionally long, up to 3.4 m (11 ft), borne on thick, succulent leaf stalks (petioles) up to 2.5 m (8 ft) long. It germinates best in very moist, but not wet, conditions and temperatures of 22 to 29 įC.

It grows slowly and produces rounded, lobed dull green leaves, which are heart-shaped at the base, on prickly leaf stalks. The tiny, light green flowers grow in conical spikes in early summer.

Only slightly smaller is Gunnera tinctoria of the Juan Fernandez Islands off the Chilean coast. They can have leaves up to 2.9 m (9 ft 5 inches) in width on stout leaf stalks 1.5 m (5 ft) long and 11 cm (4.5 in) thick.

Gunneras are native to the cloud forests of the Andes. Cloud forests are forests socked in by clouds. This means there is a lot of shade.

Although they are in the tropics, the cloud forests, being up high with the clouds, are much more moderate in both temperature humidity than the jungles below. Gunneras therefore are adapted for moderation in these factors.

Another famous species of Gunnera is Gunnera insignis, more commonly known as "Sombrilla de Pobre" (umbrella of the poor). It is a native of the rain forests of Central America and South America. This plant is found in the cloud forest of Volcano Poas of Costa Rica. It's called the Poor Man's Umbrella because back in the day this plant was used by the workers in the fields as an umbrella due to it's strong leaf covering and size. 

Gunneras grow in in seepage areas, near springs, rivers, and lakes where there is a constant, unlimited supply of water. Just look at those leaves and imagine how much water they can transpire. That means a lot has to be coming in at the roots. Note also how the leaves are shaped and positioned on the plant. These huge leaves act as funnels, bogarting all the rain and funneling it right to the middle of the plant.

Gunneras are edible. Young leaf stalks can be peeled and cooked as a vegetable or eaten raw. They are "Acidic and refreshing". In Southern Chile G. tinctoria is a delicacy associated with Mapuche Indian customs. The young petioles are commonly sold by street vendors and eaten raw, along with salt and chilli to enhance the flavour

G. tinctoria also has medicinal uses as an astringent. This species can also be used as to make a black dye is obtained from the root, and has been used as a roof covering.

Source:
http://en.wikipedia.org/wiki/Gunnera
http://www.botany.com/gunnera.html
http://www.pfaf.org/database/plants.php?Gunnera+tinctoria
http://worldplants.com/gunnera.htm

 

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Champak - Magnolia champaca
Hookerís lips - Psychotria elata
Suicide Tree - Cerbera odollam
Konjac - Amorphophallus konjac
Madagascar ocotillo - Alluaudia procera
Water Banana - Typhonodorum lindleyanum
Salak - Salacca zalacca
Natal Plum - Carissa macrocarpa
Ashanti blood - Mussaenda erythrophylla
Duranta - Duranta erecta
Maqui - Aristotelia chilensis
Manuka - New Zealand Tea Tree - Leptospermum scoparium
Suriname cherry - Eugenia uniflora
Australian Finger Lime - Citrus australasica
Sacred Flower of the Incas - Cantua buxifolia
Job's tears - Coix Lacryma-jobi
Velvet Bean - Mucuna pruriens
Java Apple - Syzygium samarangense
Screwpine - Pandanus utilis
Marimo - Aegagropila linnaei
Achocha/Caigua - Inca cucumber - Cyclanthera pedata
Rubber Tree - Hevea brasiliensis
Sugar cane - Saccharum officinarum
Sacha inchi - Plukenetia volubilis
Coffea - Coffee Tree - Coffea arabica
Liquorice - Licorice - Glycyrrhiza glabra
Mullein -Verbascum thapsus
Iceplant - Mesembryanthemum crystallinum
Chayote - Sechium edule
Roselle - Hibiscus sabdariffa
Black Goji - Lycium ruthenicum Murray
Rose Cactus - Pereskia grandifolia
Durian - Durio zibethinus
Jackfruit tree - Artocarpus heterophyllus
Cassabanana - Sicana odorifera
Chilean myrtle - Arrayan - Luma apiculata
Kurrajong - Brachychiton populneus
Rice-paper Plant -Tetrapanax papyrifer
Shell Ginger - Alpinia zerumbet
Harlequin Glorybower - Clerodendrum trichotomum
Coco de Mer - Lodoicea maldivica
Silver Tree - Leucadendron argenteum
Buffaloberry - Shepherdia argentea
Himalayan Honeysuckle - Leycesteria formosa
Raisin Tree - Hovenia dulcis
Borojo - Alibertia patinoi - Borojoa patinoi
Butterfly Pea - Clitoria ternatea
Honey Flower - Melianthus major
Ombu - Phytolacca dioica
Lion's Ear - Wild Dagga - Leonotis leonurus
Moringa - Miracle Tree - Moringa oleifera
Sea Daffodil - Pancratium maritimum
Spear Lily - Gymea - Doryanthes
Camphor tree - Cinnamomum camphora
Waterwheel - Aldrovanda vesiculosa
Flowering rush - Butomus umbellatus
Four o'clock - Marvel of Peru - Mirabilis jalapa
Dead Manís Fingers - Decaisnea
Bitter Melon - Momordica charantia
Shoapnuts Tree - Shoapberry - Sapindus
Acerola - Malpighia
Monkey Ladder - Sea Heart - Entada gigas
Cherimoya - Annona cherimola
Caper - Capparis spinosa
Lithops - Living Stones
Chaste Tree - Vitex agnus-castus
Chilean Lantern Tree - Crinodendron hookerianum
Parrot's Beak - Lotus berthelotii
Water Hyacinth - Eichhornia crassipes
Guaiac Tree - Guaiacum officinale - Lignum-vitae
Mickey Mouse bush - Ochna serrulata
Cow's Udder - Solanum mammosum
Miracle fruit - Synsepalum dulcificum
Akebia - Akebia quinata
Chilean Firebush - Embothrium coccineum
Caesalpinia - Caesalpinia pulcherrima
Welwitschia - Welwitschia mirabilis
Saguaro - Carnegiea gigantea
Schisandra - Schisandra chinensis
Monarda - Bee balm - Bergamot
Tamarind - Tamarindus indica
Neomarica - Walking Iris
Red hot poker - Kniphofia - Tritoma
Sikkim rhubarb - Rheum nobile
Reseda - Mignonette
Paulownia - Paulownia tomentosa
Belamcanda chinensis - Leopard lily
Blue Poppy - Meconopsis
Cannonball Tree - Couroupita guianensis
Tamarillo - Cyphomandra betacea
Goji - Wolfberry - Lycium barbarum
Vanilla - Vanilla Planifolia
Stevia - Stevia rebaudiana
Pachypodium
Physalis
Ceropegia
Sturt pea - Swainsona formosa
Clematis
Grevillea
Jade vine - Strongylodon macrobotrys
Sansevieria - Snake Plant
Trochetia
Yareta - Azorella compacta
African tulip tree - Spathodea campanulata
Angel's Trumpets - Brugmansia
Achiote - Annato - Bixa orellana
Sausage Tree - Kigelia pinnata
Castor Oil Plant - Ricinus communis
Firewheel Tree - Stenocarpus sinuatus
Bat Flower - Tacca
Snake gourd - Trichosanthes cucumerina
Sedum
Hydnora - Hydnora africana
Pickerel Weed - Pontederia
Argan - Argania spinosa
Astilbe - False Goats Beard
Feijoa - Pineapple Guava - Acca sellowiana
Aquilegia - Columbine
Cassiope
Sweet Box - Sarcococca
Christmas Cactus - Schlumbergera
Foxtail Lily - Eremurus
Rue - Ruta graveolens
Pittosporum
Ylang-Ylang - Cananga odorata
Rose of Jericho - Anastatica hierochuntica
Gunnera
Waterlily - Nymphaea
Calico Flower - Aristolochia
Daylily - Hemerocallis
Contorted hazel - Corylus avellana Contorta
Torch Ginger - Etlingera elatior
Mistletoe - Viscum album
Devil´s claw - Harpagophytum procumbens
Teasel - Dipsacus
Pampas grass - Gynerium argenteum - Cortaderia Selloanna
Purple coneflower - Echinacea purpurea
Coral Tree - Erythrina crista-galli
Portulaca
Lobelia
Field Poppy - Papaver Rhoeas
Narcissus - Daffodil
Mimosa pudica - Sensitive Plant
Boxwood - Buxus sempervirens
Firethorn - Pyracantha
Star of Bethlehem - Ornithogalum
Cosmos
Muscari - Grape Hyacinth
Papyrus - Cyperus papyrus
Zinnia
Honeysuckle - Lonicera
Passiflora - Passion Flower
Calendula - Marigold
Lupine - Lupinus
Canna - Indian Shot
Witch Hazel - Hamamelis
Oak - Quercus
Brunsvigia - Candelabra Flower
Tree peony - Paeonia suffruticosa
Olive - Olea europaea
Cornflower - Centaurea cyanus
Desert rose - Adenium obesum
Oleander - Nerium Oleander
Abutilon
Sweet Pea - Lathyrus odoratus
Chaenomeles - Flowering Quince
Forsythia
Amaryllis - Hippeastrum
Butchers broom - Ruscus aculeatus
Bay Laurel - Laurus nobilis
Gloriosa
Bamboo
Gladiolus
Artichoke - Cynara scolymus
Clivia - Clivia Miniata
Dipladenia - Dipladenia sanderii
Date palm - Phoenix dactylifera
Peach - Prunus persica
Almond - Prunus amygdalus
Willow - Salix
Pomegranate - Punica granatum
Protea cynaroides
Colchicum autumnale
Bird of Paradise - Strelitzia reginae
Cardon - Pachycereus pringlei
Wolffia arrhiza
Puya raimondii
Fuchsia
Asphodelus - Asphodel
Primula - Primerose
Dicentra spectabilis - Bleeding Heart
Edelweiss - Leontopodium alpinum
Helleborus Niger - Christmas Rose
Zantedeschia - Calla Lily
Fritillaria imperialis - Crown imperial
Aster
Heliconia
Common Sunflower - Helianthus annuus
Bee Orchid - Orphys apifera
Convalaria majalis - Lily of the Valley - Muguet
Syringa Vurgaris - Lilac
Viola
Impantiens
Snowdrop - Galanthus
Poinsettia - Euphorbia pulcherrima
Dionaea muscipula
Banksia
Sea anemone
Amorrhophallus titanum
Rafflesia arnoldi

 

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