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

23. Sedum rosei Raymond-Hamet, Bot. Jahrb. Syst. 44(Beibl. 101): 32. 1910.

川西景天 chuan xi jing tian

Herbs annual. Roots fibrous. Flowering stems branched from base, erect or ascending, 3-8 cm. Leaves ± crowded or remote; leaf blade sublinear to narrowly triangular-linear, 5-6.8 × 1.2-1.4 mm, basal spur truncate to shallowly 3-lobed, apex acuminate. Cyme corymbiform, dense; bracts sublinear to narrowly triangular-linear. Flowers unequally 5- or 6-merous; pedicel 1-2 mm. Sepals sublinear-lanceolate or subovate, subequal or unequal, 5.5-9 × 1.3-1.8 mm, base obtusely spurred, apex acuminate. Petals yellow, oblong-lanceolate, 7-8.9 × ca. 1.3 mm, base connate for 0.5-0.8 mm, apex long mucronate. Stamens 10; antesepalous ones 4.5-5.2 mm; antepetalous ones ca. 3 mm, inserted ca. 2.5 mm from petal base. Nectar scales linear-spatulate, apex ± dilated. Carpels erect, oblong to narrowly ovoid; ovules 5-10. Seeds obovoid-oblong. Fl. Sep-Oct, fr. Oct-Nov.

* Alpine thickets, grasslands, rocky or stony slopes, rocks in valleys or on slopes, stone walls; 2700-4800 m. W Sichuan, E Xizang.

1 Stem leaves crowded; sepals sublinear-lanceolate, subequal, 5.5-6 mm, shorter than petals; carpels basally connate for ca. 0.5 mm   23a var. rosei
+ Stem leaves remote; sepals subovate, unequal, 7-9 mm, longer than petals; carpels basally connate for ca. 2 mm   23b var. magniflorum

Lower Taxa


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