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

36. Rhodiola cretinii (Raymond-Hamet) H. Ohba, J. Jap. Bot. 51: 386. 1976.

根出红景天 gen chu hong jing tian

Caudex prostrate, 2-4 mm in diam. Caudex leaves scalelike, small, apex obtuse. Flowering stems few, ascending to suberect, 2-12 cm. Stem leaves somewhat crowded, linear, narrowly elliptic, linear-obovate, elliptic-oblong, or spatulate, 7-10 × 1.5-2.5 mm, base decurrent or long attenuate and shortly spurred, margin entire or shallowly 3-5-crenate, apex rounded, obtuse, or acute. Inflorescences corymbiform, dense, ca. 1 cm in diam., bracteate. Flowers unisexual, unequally 5-merous in male plants, rarely 4- or 6-merous. Sepals linear to subulate, 3-4.5 mm, apex obtuse. Petals green to yellowish white, linear-oblanceolate, linear-spatulate, narrowly elliptic, or linear-obovate, 3.5-6 × 1-1.5 mm, apex obtuse. Stamens 10; antesepalous ones 5-7 mm; antepetalous ones 4-6 mm, inserted ca. 1.5 mm from petal base. Nectar scales oblong, apex emarginate. Carpels erect, narrowly ellipsoid, 5-7 mm. Seeds numerous. Fl. Jun-Aug.

3700-4400 m. Xizang, NW Yunnan [Bhutan, NE India, Nepal, Sikkim].

1 Flowers 5-merous; petals narrowly elliptic to linear-obovate; leaves linear, narrowly elliptic, or linear-obovate, apex obtuse or acute; flowering stems to 12 cm   36a subsp. cretinii
+ Flowers often 4-merous; petals linear-oblanceolate to linear-spatulate; leaves elliptic-oblong to spatulate, apex rounded; flowering stems 2-5 cm   36b subsp. sinoalpina

Lower Taxa


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