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

106. Saxifraga hispidula D. Don, Trans. Linn. Soc. London, Bot. 13: 380. 1822.

齿叶虎耳草 chi ye hu er cao

Hirculus hispidulus (D. Don) Losinskaja; Saxifraga evolvuloides Wallich ex Seringe; S. hispidula var. dentata Franchet; S. hispidula var. doniana Engler; S. potentilliflora H. Léveillé.

Stem usually branched, 4.5-22.5 cm tall, glandular pilose. Leaf buds present in axils at proximal nodes. Proximal cauline leaves caducous, less than 1/2 size of median ones, margin entire. Median cauline leaves subelliptic to ovate, 0.5-2 cm × 2.5-10 mm, both surfaces strigose, margin with 3-5 acute lobes toward apex. Flower usually solitary, or cyme 2-4-flowered; pedicel 0.6-2.1 cm, long glandular hairy. Sepals erect or somewhat spreading, ovate, 2.3-4 × 1.4-2.3 mm, glandular or eglandular hairy abaxially, adaxially distally, and marginally, veins 3-8, confluent at apex. Petals yellow, elliptic to broadly so or obovate, 4-7.3 × 2.9-5 mm, 2-16-callose, 3-10-veined, base contracted into a claw 0.6-1.7 mm, apex obtuse. Stamens 3-4.5 mm. Ovary subsuperior, ovoid to broadly so, 1.6-2.2 mm; styles 1.5-1.8 mm. Fl. and fr. Jul-Sep. 2n = 16, 24*.

Rocks and rock crevices in forests, forest margins, scrub, alpine meadows, and on cliffs; 2300-5600 m. C Sichuan (Baoxing Xian, Tianquan Xian), S Xizang, NW Yunnan [Bhutan, N India, N Myanmar, Nepal, Sikkim].

Many plants from Sikkim have entire leaves (Saxifraga hispidula var. hispidula), but no such plants have been seen among specimens from China.


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