L’HYDNORA AFRICANA EST L’UNE DES NEUF PLANTES QUI SENTENT LE PLUS MAUVAIS AU MONDE. D’une certaine manière, l’Hydnora africana ressemble à une plante carnivore avec des dents, mais elle n’ingère pas les insectes. Tanaman ini mempunyai struktur seperti pohon tinggi yang ditemukan di Gurun Sonora. Briza Publications, Pretoria. It looks astonishingly similar to fungi, and is only distinguishable from fungi when the flower has opened. Seed plants of southern tropical Africa : families and genera. The anterior portion of the tube there are yellowish-orange structures extend into the tube, these are the anther groups. This smell is generated from the osmophores, which is a white spongy area on the inner surface of the tepals that eventually change colour to grey.
Visser, J. Foto: mudfooted.com. [14] Burger et al. Desert Ironwoods. 35. Certains animaux les utilisent comme source de nourriture, comme par exemple les oiseaux, les chacals, les porcs-épics et les taupes. Common names: jackal food (Eng. Bud just opeing under Euphorbia mauritanica near Fish River Canyon, southern Namibia. H. africana produces a fruit that grows underground, taking up to two years to ripen fully. DE NOMBREUX PRODUITS DE BRONZAGE CONTIENNENT DES EXTRAITS D’HYDRONA AFRICANA.
La culture de cette plante n’est pas particulièrement intéressante, étant donné que la plante est encore abondante dans sa région d’origine, sans oublier le fait que les fleurs sont particulièrement malodorantes. The buds of these bisexual flowers develop underground, and eventually emerge to reach a height of about 100 to 150 mm. Hydnora africana flowers are bisexual and develop underground. Furthermore, the distinctive plant also exhibits an impressively selective characteristic.
[4] The plant grows underground, except for a fleshy flower that emerges above ground and emits an odor of feces to attract its natural pollinators, dung beetles and carrion beetles. This plat is completely leafless in nature and have deep brown colored flesh stem. These fleshy, angular, warty stems bear a series of vermiform (shaped like a worm) outgrowths commonly referred to as roots, ± 10 mm long, which connect to the roots of the host. However, this marvel of Nature also goes by a few equally difficult to pronounce common names. Avec ses parties végétatives ressemblant davantage à un champignon, il s’agit de l’une des plantes les plus étranges au monde. These plants do not have chlorophyll and do not perform photosynthesis.
TEST : Combien de temps survivriez-vous dans un film d’horreur ? Son surnom lui vient de son odeur qui peut s’apparenter à des matières fécales qui lui permet d’attirer ses pollinisateurs naturels.
Des recherches ont été menées pour déterminer les propriétés antidysentériques, phytochimiques et antioxydantes des racines d’Hydnora africana. The fruit may be up to about eight centimetres in diameter. [12] The basal portion of the flower there is a cavity that houses the white ovules that will mature into seeds. Strelitzia 14. 3 October 2000. The seeds are numerous and small, and are embedded in a gelatinous, edible fleshy pulp which is rich in starch. Hydnora africana has an enzyme which allows it to dissolve some of the roots of its host plants in order to attach to them. Hydnora africana Thunb. These odors are also found in dead-horse arum, Helicodiceros muscivorus.
After the insects have been in the flowers for a couple of days, the flower emerges and opens releasing the insects to spread the pollen to other flowers in the area.[10]. In the wild, it grows primarily by means of seeds which are dispersed by birds and small mammals that feast on its fruits. Leistner, O.A. Elle secrète ainsi des enzymes puissantes qui dissolvent les tissus durs de la plante hôte pour s’y fixer. The fruit may be up to about eight centimetres in diameter. QUIZ : Serez-vous capable de reconnaître ces oiseaux ? 1994. Hydrona africana is a most bizarre looking desert plant native to Africa. Hydnora africana est en fait une plante qui parasite les racines d’autres plantes appartenant à la famille des Euphorbiaceae. Since it lives in the desert where water … QUIZ : Que savez-vous réellement des Vikings ? The flower is used as a temporary trap in order to facilitate pollination. [7], The vegetative parts of this plant are more similar in appearance to a fungus than a plant. Germishuizen, G. & Meyer, N.L. Hydnoroideae is a subfamily of parasitic flowering plants in the order Piperales.Traditionally, and as recently as the APG III system it given family rank under the name Hydnoraceae. Tafelberg, Cape Town.
The only part that grows above the surface is fleshy flower.
Richtersveld. Click here to register. The plants only become visible when the flowers protrude through the soil after good rains have fallen. used as antidysenteric in Eastern Cape Province, South Africa", https://en.wikipedia.org/w/index.php?title=Hydnora_africana&oldid=967637303, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 July 2020, at 11:52. The plant may stay in stasis underground for many years until enough rain falls for it to emerge. The flowers of hydnora africana have a spherical shape, brown outside and orange color inside. 26. ... Hydnora Africana. [4] The plant grows underground, except for a fleshy flower that emerges above ground and emits an odor of feces to attract its natural pollinators, dung beetles and carrion beetles. [1] Hydnoraceae are the only angiosperms known to have no leaves or scales and are considered obligate parasites, completely dependent on their hosts to survive. The flower is used as a temporary trap in order to facilitate pollination. [7], The vegetative parts of this plant are more similar in appearance to a fungus than a plant. La plante contient notamment du méthanol et de l’acétone qui ont montré une activité antibactérienne et antioxydante significative, suggérant la présence d’un potentiel bioactif. [16], Hydnora Africana can be harvested and used as food, medicine, and a good source of tannin. Amazing Color-changing Animals In The World, Loktak Fresh Water Lake – Manipur (India), Highest individual score at the position ODI, Siemens Velaro E/AVS 103, 217.4 mph, Spain, Heather Greene (6ft 5½in – 196 cm) : Tallest Women in World, Rita Miniva Besa (6ft 8in -203 cm) : Tallest Women in World, Caroline Welz (6ft 9in – 206 cm) : Tallest Women in World, Valeria Lukyanova – Meet The Real Life ‘Barbie Doll’ Girl From Ukraine, Longest time breath held voluntarily (male), The world’s biggest family: The man with 39 wives, 94 children and 33 grandchildren. [6] The flowers act as temporary traps, retaining the beetles that enter long enough for them to pick up pollen. Les fruits de cette plante poussent sous terre et mettent jusqu’à deux ans pour mûrir complètement. ); jakkalskos, bobbejaankos (Afr.). The flowers bears no resemblance to normal flowers except for its bright salmon to orange-red colour on the inside, which fulfils the same purpose as normal flowers, namely to advertise the plant.
A flower of Hydnora africana first appeared five and a half years after the initial sowing. [9] Hydnora africana has an enzyme which allows it to dissolve some of the roots of its host plants in order to attach to them. Diarrhoea, dysentery, kidney and bladder complaints are all treated with infusions and decoctions of Hydnora africana. [9] Hydnora africana has an enzyme which allows it to dissolve some of the roots of its host plants in order to attach to them.
A sister species, H. johannis, is found in the arid parts of the Richtersveld.
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