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FOC | Family List | FOC Vol. 11 | Geraniaceae | Geranium

45. Geranium maximowiczii Regel & Maack in Regel, Tent. Fl.-Ussur. 39. 1861.

兴安老鹳草 xing an lao guan cao

Geranium hattae Nakai; G. wlassovianum Fischer ex Link var. hattae (Nakai) Z. H. Lu.

Perennials. Rootstock ± vertical, 0.5-1.3 cm in diam., not tuberculate, with a fascicle of long thickened roots. Stem 35-75 cm tall, erect, not rooting at nodes, with 0.5-1.6 mm patent or rarely retrorse and appressed nonglandular trichomes. Stipules lanceolate, free or connate at least at base. Leaves opposite; petiole with usually 0.5-1.6 mm patent nonglandular trichomes; leaf blade 5.7-9.7 cm, palmately cleft, ratio of main sinus/middle segment length = 0.58-0.77(-0.8), pilose with appressed nonglandular trichomes; segments 5, rhombic, 1.2-1.9 cm wide at base, 7- or 8-lobed in distal half, ratio of second sinus/middle segment length = (0.11-)0.15-0.17(-0.21). Cymules solitary, 2-flowered; peduncle 3.5-14.6 cm. Pedicel 2.2-6.7 cm, with 0.1-1.1 mm usually retrorse ± appressed nonglandular trichomes; bracteoles lanceolate. Sepals 5.6-7.5(-7.9) mm, mucro 0.9-3.2 mm, ratio of mucro/sepal length = 0.1-0.4, outside with 0.1-0.3 mm antrorse ± appressed nonglandular trichomes and 0.3-2.2 mm ± patent nonglandular trichomes, inside glabrous. Petals deep purplish magenta, 1.1-1.4(-1.5) cm, erect to patent, inside basally with trichomes, margin basally ciliate, apex rounded. Staminal filaments pinkish, lanceolate, base slightly dilated, abaxially sparsely pilose and proximal half ciliate, trichomes 0.1-0.6(-1.1) mm; anthers bluish, 1.1-1.8 mm. Nectaries 5, hemispheric, glabrous. Stigma reddish. Fruit 2.2-2.9 cm, erect when immature; mericarps smooth, with a basal callus, with 0.2-0.7 mm ± patent nonglandular trichomes and apically usually with 0.5-0.9 mm patent glandular trichomes; rostrum 1.4-2 cm, with a 3.4-3.9 mm narrowed apex; stigmatic remains 3.5-4.4 mm. Seeds 2.2-2.6 mm. Fl. Jul-Aug, fr. Aug-Sep. 2n = 28.

Forests. Heilongjiang, Jilin, NE Nei Mongol [Korea, Russia (Far East)].


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