宝兴老鹳草 bao xing lao guan cao

Geranium ascendens Z. M. Tan.

Perennials. Rootstock ± vertical, 3-5 mm in diam., not tuberculate, without thickened roots. Stem 12-25 cm tall, erect, not rooting at nodes, with 0.1-0.3 mm uncinate nonglandular trichomes and 0.7-1.1 mm patent glandular trichomes. Stipules lanceolate, distinct. Leaves alternate; petiole with 0.1-0.2 mm uncinate nonglandular trichomes and 0.8-1.1 mm patent glandular trichomes; leaf blade 3.6-5.8 cm, palmately cleft, ratio of main sinus/middle segment length = 0.76-0.81, pilose with ± appressed nonglandular and glandular trichomes; segments 5, obtriangular, 3.8-7 mm wide at base, 3-7-lobed in distal half, ratio of second sinus/middle segment length = 0.14-0.18. Cymules solitary, 2-flowered; peduncle 4.8-7.2 cm. Pedicel 2.5-2.8 cm, with 0.2-0.3 mm uncinate retrorse nonglandular trichomes and 0.7-1.1 mm patent glandular trichomes; bracteoles lanceolate. Sepals 7.9-8.9 mm, mucro 1.7-1.8 mm, ratio of mucro/sepal length = 0.19-0.22, outside with 0.1-0.3 mm ± patent nonglandular trichomes and 1.4-1.8 mm patent glandular trichomes, inside glabrous. Petals pinkish, ca. 1.2 cm, erect to patent, both surfaces basally with trichomes, margin basally ciliate, apex rounded. Staminal filaments whitish, lanceolate, abaxially pilose and proximal half ciliate, trichomes 0.4-1 mm; anthers brown, 1.6-1.7 mm. Nectaries 5, hemispheric, abaxially glabrous, apex with a tuft of trichomes. Stigma color unknown. Fruit ca. 2.3 cm, erect when immature; mericarps reticulate, without a basal callus, with 0.1-0.2 mm ± appressed nonglandular trichomes; rostrum ca. 1.6 cm, with a ca. 1.7 mm narrowed apex; stigmatic remains ca. 1.9 mm. Seeds ca. 2 mm. Fl. Jun-Jul, fr. Aug-Sep.

● Secondary forests, scrub, meadows; 2200-3000 m. W Sichuan.

Description of Geranium moupinense is in some points incomplete because only a few collections are known. However, this species is well characterized by its reticulate mericarps, alternate leaves, and solitary cymules.