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El Giral, Colon, Panama
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Aristolochia rotunda L.Family: Aristolochiaceae Juss.EN: Smearwort, Round-leaved Birthwort; DE: Rundknollige OsterluzeiSlo.: okroglolistni podraecDate: Apr. 23. 2006Lat.: 44.3851 Long.: 14.7931 (WGS84)Code: Bot_114/2006_DSC0091Habitat: Sea shore, about 30 m from the sea; flat terrain; stony, calcareous ground, among bushes, relatively moist place, mostly in shade; elevation 3 m (10 feet); average precipitations ~ 1.000 mm/year, average temperature 12-13 deg C, alpine phytogeographical region. Place: Adriatic Sea shore, island Olib, Slatenica bay, Dalmatia, Croatia EC.Substratum: soil.Comment: (relates to the album Aristolochia rotunda):Members of the genus Aristolochia are all plants with bizarre looking and highly specialized flowers. The flowers of the species Aristolochia rotunda can be up to 5 cm long. They work as temporary traps for small insects. Once the insects descend into the flower tube to reach honey, special hairs inside prevent them to escape back to freedom until they fertilize it. After successful pollination the hairs sag and the doors to freedom open again.The whole plant is poisonous. It contains aristolochic acids, which are known for their carcinogenic and mutagenic effects. In spite of this, it is the exclusive food for larvae of the beautiful and rare butterfly Zerynthia polyxena. Since larvae feed with the leaves, they themselves become poisonous. The poisons serve as a 'weapon' against their predators. Birds are very well informed about this fact!The species is an Circum-Mediterranean floral element and is quite common along the Croatian Adriatic Sea shore and on Adriatic islands, including warmest regions of Slovenia. Ref.(1) A. Martini et all., Mala Flora Slovenije (Flora of Slovenia - Key) (in Slovenian), Tehnina Zaloba Slovenije (2007), p 120. (2) I. Schnfelder, P. Schnfelder, Kosmos Atlas Mittelmeer- und Kanarenflora, Kosmos, (2002), p 30.
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Lao Cai, Vietnam
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Pod of the Gaping Dutchman's Pipe vine, before springing open to distribute seeds.
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California, United States
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Two flowers just opening.PCCA20080526-1957A
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West Trailer Park Mobile Home Park, Florida, United States
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Charcos, Puntarenas, Costa Rica
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Family:AristolochiaceaeLocal name(Telugu): EswariDistribution: Common and gregarious on bushes and hedges in tropical forests of India.Proffusely branched twining herbs, Leaves obovate-oblong, base sub cordate, Flowers 5-6 cm long, pale pinkish green in terminal or axilary racemes; perianth tube inflated below, then contracted to a cylindric neck, then expanded in a limb.limb glabrous , darker than tube and oblong; stamens 6, stigmatic lobes incurved, Fruit a septicidal capsule,4-5 cm long, ribbed.A bitter plant ; Roots used as antidote for snake bite and indigestion.Photographed at Nellore.
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Gibraltar, Gibraltar
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The Heartleaf Dutchman's Pipe Vine is reported from Panama and Colombia, here on a roadside fence in the Darien Province of the former. The genus are known as Pelican Flowers.
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Montes de Torrero: Zaragoza.Familia: ARISTOLOCHIACEAEDistribucin: Se encuentra fundamentalmente en el SE de Francia y buena parte del rea mediterrnea de la Pennsula Ibrica. En Aragn es frecuente por todo el territorio, aunque no penetra en el Alto Pirineo.Hbitat: Se encuentra en matorrales y pastizales instalados sobre suelos secos y pedregosos, de naturaleza caliza, preferentemente en ambientes de encinar.Preferencia edfica: Basfila CalccolaRango altitudinal: 80 - 1250 ( 1340 ) mFloracin: Abril - Julio Forma Biolgica: Gefito bulbosoExtractado del Atlas de la Flora de Aragn (Herbario de Jaca)
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Family: AristolochiaceaeLocal name(Telugu)Gadidagadapa, Nalla eswariDistribution: Common as a weed in tropical Asia and AfricaA perennial prostrate herb, branches up to 30cm long, Leaves cordate-reniform, base cordate, Flowers solitary, axilary, dark purple, perianth tube4-5cm long, the tube inflatd below, then contracted in to a cylindrical neck, then expanded in a dialated oblique limb with revolute margins. Stamens 6 adnate and around the style column, ovary inferior 6 celled, ovules many 2 seriate, Fruit a septicidal capsule, 12 ribbed,splitting through placentas. Decoction of the roots and leaves are used as anthelmenticand for insect bites.Photographed at Nellore. Ref: Flora of Presidency of Madras By J.S.Gamble.
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Piovene Rocchette, Veneto, Italy
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