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

20. Rhodiola tibetica (J. D. Hooker & Thomson) S. H. Fu, Acta Phytotax. Sin., Addit. 1: 121. 1965.

西藏红景天 xi zang hong jing tian

Sedum tibeticum J. D. Hooker & Thomson, J. Proc. Linn. Soc., Bot. 2: 96. 1858; Chamaerhodiola stracheyi (J. D. Hooker & Thomson) Nakai; C. tibetica (J. D. Hooker & Thomson) Nakai; Sedum quadrifidum Pallas var. tibeticum (J. D. Hooker & Thomson) Fröderström; S. stracheyi J. D. Hooker & Thomson; S. tibeticum var. stracheyi (J. D. Hooker & Thomson) C. B. Clarke.

Caudex short to long; persistent old flowering stems few, present as remnants. Flowering stems to 30 cm, basally usually finely papillate. Stem leaves linear to narrowly ovate, 5-9 × 1.5-4 mm, base broadly triangular, margin entire or dentate, apex long acuminate and awn-shaped. Inflorescences corymbiform, compact, 2-2.5 cm in diam., many flowered. Flowers unisexual, unequally 5-merous. Sepals suboblong, ca. 1 mm. Petals purple to red, elliptic-lanceolate, 2-4 mm. Stamens 10, subequaling or somewhat longer than petals. Nectar scales subquadrangular, ca. 0.6 mm, apex emarginate. Carpels erect, lanceolate, 4-5 mm, apex ± recurved. Fl. Jul-Aug, fr. Sep.

Stony slopes on sides of ravines; 4100-5400 m. SW Xizang [Afghanistan, India, Pakistan].


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