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

71. Sedum tsiangii Fröderström, Sinensia. 3: 199. 1933.

安龙景天 an long jing tian

Herbs annual, glabrous. Stems branched, suberect, 10-15 cm. Leaves alternate or 3- or 4-verticillate; leaf blade oblanceolate, 1-1.5 cm, sparsely papillate-hairy, base obtuse and shortly spurred, apex subobtuse. Cyme corymbiform, lax, few flowered; bracts subobovate. Flowers shortly pedicellate, unequally 5-merous. Sepals lanceolate to linear, unequal, 3.5-4.2 mm, base spurless, apex subobtuse and papillate. Petals yellow, oblong to broadly ovate, 4.5-5 mm, base subconnate to free, apex mucronate. Stamens 10; antepetalous ones 1.8-2.2 mm, inserted 0.5-1.2 mm from petal base. Nectar scales quadrangular or linear-spatulate, slightly constricted at middle, ca. 0.5 mm, apex truncate. Carpels erect, base connate for 0.8-1.2 mm. Styles ca. 0.5 mm. Follicles subovoid, 3.5-4.5 mm, many seeded; placenta linear. Seeds ovoid, ca. 0.5 mm, mammillate. Fl. Sep-Oct, fr. Oct-Nov.

* Rocks on slopes or cliffs; 400-2700 m. W Guizhou, E Yunnan.

1 Leaves alternate, sometimes basally verticillate; petals oblong; nectar scales quadrangular   71a var. tsiangii
+ Leaves 3- or 4-verticillate; petals broadly ovate; nectar scales linear-spatulate   71b var. torquatum

Lower Taxa


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