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Base de données des géraniums vivaces |
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saxatile (Cav. ex. Kar. & Kir.) |
Protologue / première publication :Observaciones...de Valence tome1:87 (1795) Sous genre :Geranium L. Section :Geranium L. Existence dans la collection :x Distribution géographique : Russie: Mt. Altai. Germplasm Resources Information Network (GRIN) donne la distribution suivante:
Synonyme : G. subsp Pamirs Herbier : récolteurs : Thomas Schultz a collecté au Kazakhstan près d'Almaty, station de ski de Chimbulak et à la station météo proche à 2800m. Mais aussi à Zalinsky Alatau entre 2000 et 3000m. |
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Bibliographie personnelle : G/F0008. B.K. Shishkin & E.G Bobrov - Flora of USSR - vol.14,Bobrov, E.G.. , Moscou-Leningrad. 1949,3-49. G/A0042. Geraniums in Almaty, Kazakhstan,Schultz T.. Geraniaceae group news 61, spring 1996. G/A0046. Geraniums for the Rock Garden,Bacon Lionel. Bulletin of the Alpine Garden Society, vol 61, N 2, Pershore. juin 1993,171-190 G/A0058. Schulz Thomas Geraniums on the Silk Road,. Geraniaceae group news 71, . Autumn 1998 G/A0059. Clifton Richard Notes Following "Geraniums on the Silk Road",. Geraniaceae group news 72, . Winter 1998/9 G/A0065. Schulz Thomas Geraniums on the Silk Road, 2000,. Geraniaceae group news 79, . Autumn 2000 G/A0072. Yeo P. The status of the name: Geranium saxatile,. Geraniaceae group news 87, . Autum 2002 G/A0080: Richard Clifton, Geranium saxatile, Geraniaceae group news 95, autumn 2004. G/A0122: Richard Clifton, Geranium saxatile Kar. & Kir., nom. Inv., non Cav., Geraniaceae group news 123, autumn 2011. G/A0122: Richard Clifton, New name for Geranium saxatile Kar. & Kir.non Cav., Geraniaceae group news 123, autumn 2011. G/A00123: David Victor, Habitat reports for G. candidum Kom. Alias G. saxatile Kar. & Kir. Non Cav., Geraniaceae group news 124, winter 2011-12. G/A0124: E. Randall & J. Purkiss, Geraniu candidum, Geraniaceae group news 125, spring 2012.
Il existe 2 autres publications qui font état de G. saxatile:
Description horticole : Description botanique :
Perennials. Rootstock ± horizontal, short, 7.1-10.2 mm in diam., not tuberculate, with many fibrous long roots. Stem 9-48 cm tall, erect, not rooting at nodes, with 0.2-0.4 mm retrorse appressed nonglandular trichomes and rarely 0.3-0.4 mm patent glandular trichomes. Stipules lanceolate, distinct. Leaves opposite; petiole with 0.2-0.5 mm retrorse appressed nonglandular trichomes and sometimes 0.4-0.5 mm patent glandular trichomes; leaf blade 1.7-6.2 cm, palmately cleft, ratio of main sinus/middle segment length = 0.72-0.84, pilose with appressed nonglandular trichomes; segments 5, rhombic, 2.5-8.8 mm wide at base, 6-15-lobed in distal half, ratio of second sinus/middle segment length = 0.19-0.31. Cymules solitary, 2-flowered; peduncle 4.1-14(-23) cm. Pedicel 0.1-8.3 cm, with 0.2-0.5 mm retrorse uncinate nonglandular trichomes and usually 0.2-0.6 mm patent glandular trichomes; bracteoles lanceolate. Sepals (8.4-)9-10.3(-11.3) mm, mucro 0.7-1.9(-2.5) mm, ratio of mucro/sepal length = 0.08-0.24, outside with 0.2-0.6 mm antrorse ± appressed nonglandular trichomes and usually 0.3-0.5 mm patent glandular trichomes, inside glabrous. Petals purplish, (1.6-)1.8-2.8 cm, erect to patent, both surfaces glabrous, margin basally ciliate, apex emarginate with a 0.3-1.4 mm notch. Staminal filaments pinkish, lanceolate with a broadly triangular base and an abruptly narrowed apex, glabrous except proximal half with some 0.1-0.3 mm cilia; anthers brownish when dry, 2.1-2.9 mm. Nectaries 5, hemispheric, abaxially glabrous, apex with a tuft of trichomes. Stigma purple when dry. Fruit 3.4-4 cm, erect when immature, with white hyaline glandular trichomes and pubescences. Seeds 3-3.5 × 1.4-1.8 mm. Fl. Jul-Aug, fr. Aug-Sep.
Subalpine and alpine meadows; 2200-3100 m. Xinjiang (Tian Shan) [Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan]. The long petals with emarginate apex of Geranium saxatile are unique among species that have filaments with a broadly triangular base. Geranium sophiae Fedorov, a poorly known species endemic to Fergana Range in Uzbekistan, also has long and emarginate petals. However, its leaves (including an obtriangular middle segment with 3(-5) deep lobes at the apex) are very different from those of G. saxatile.
Notes : D. Evrard: J'ai reçu en janvier 2018, de International Geraniaceae Group 2 lots de graines de geranium saxatile. 1er lot collecté en 2017 par Alexander Naumenko sous le nom cf saxatile: GG617AN: Kyrgyzstan, ouest Tien Shan,Talas Alatoo Ridge, 6 kms au sud de Kara-Buura pass et à 2800m.. 2eme lot sous le nom Pamir, Mont Tien Shan. Les graines reçues on été collectées dans le jardin d'alexander à partir de plantes collectées dans le Tien Shan, Kyrgys ridge, Suusamyr valley à environ 3000m en 2015. D'autres graines provenaient d'une collecte dans l'ouest du Pamir, à Maisara pass, à environ 4500m d'altitude en 2015.
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