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FOC | Family List | FOC Vol. 8 | Crassulaceae | Sedum

68. Sedum tsonanum K. T. Fu, Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 1980(6): 41. 1980.

错那景天 cuo na jing tian

Herbs perennial, glabrous. Sterile stems 1-3 cm. Flowering stems ascending, 8-10 cm; basal nodes with adventitious roots. Leaves 3-verticillate; leaf blade adaxially green and sometimes reddish brown spotted, sublinear-spatulate, 5-20 × 1-4 mm, base obtusely spurred, apex obtuse. Cyme corymbiform, lax, many flowered; bracts leaflike. Flowers shortly pedicellate, unequally 5-merous. Sepals adaxially reddish brown spotted, linear-lanceolate, subequal, 3.5-5 mm, base spurless, apex rounded to obtuse. Petals yellow, linear-lanceolate, 9-11 × ca. 2 mm, base connate for 2-3 mm, apex subacute. Stamens 10; antesepalous ones inserted in cleft between petals; antepetalous ones inserted ca. 4 mm from petal base. Nectar scales suboblong, apically slightly widened, 0.3-0.4 mm. Carpels basally connate for 1.2-1.3 mm. Styles ca. 2 mm. Follicles oblong, ca. 7 mm, 8-10-seeded. Seeds narrowly ovoid, ca. 0.8 mm, minutely mammillate. Fl. Sep, fr. Oct.

* Rocks on slopes in valleys; 2900-3500 m. S Xizang (Cona Xian).


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