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FOC | Family List | FOC Vol. 8 | Saxifragaceae | Chrysosplenium

14. Chrysosplenium davidianum Decaisne ex Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. sér. 3. 23: 343. 1877.

锈毛金腰 xiu mao jin yao

Chrysosplenium briquetii Terracciano; C. davidianum var. alpinum H. Hara.

Herbs cespitose, (1-)3.5-19 cm tall. Rhizomes transversely elongate, densely brown villous. Sterile branches well developed. Stems brown crisped villous. Basal leaves with petiole 1-3 cm, densely brown crisped villous; leaf blade broadly ovate to broadly subelliptic, (0.5-)2.1-4.2 × (0.7-)2-3.7 cm, both surfaces brown villous along veins and margin, base subtruncate to subcordate, margin (7-)13-17-crenate. Cauline leaves (1 or )2-5, alternate; petiole 5-6 mm, brown pilose; leaf blade broadly ovate to subflabellate, 3-7 × 3.5-7 mm, both surfaces and margin brown pilose, base broadly cuneate, margin 7-9-crenate, apex obtuse. Cyme 0.5-4 cm, many flowered; bracteal leaves with petiole 1.2-3.5 mm, pilose, leaf blade orbicular-flabellate, 3.1-11.2 × 3.1-9 mm, pilose to subglabrous, base broadly cuneate, margin 3-7-crenate. Flowers yellow; pedicel 1-5 mm, brown pilose. Sepals usually orbicular, 1-2.6 × 1.1-3.1 mm, glabrous, apex obtuse or retuse. Stamens 8, 1-2 mm. Ovary semi-inferior; styles 0.8-2 mm. Disc absent. Capsule ca. 3.8 mm, apex subtruncate, retuse; carpels horizontal, subequal; rostrums ca. 1 mm. Seeds dark brown, ovoid, ca. 1 mm, papillose. Fl. and fr. Apr-Aug. 2n = 72*.

* Shaded and wet grassy places in forest understories, rock clefts in ravines; 1500-4100 m. ?Guizhou, W Sichuan, N and W Yunnan.


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