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FOC | Family List | FOC Vol. 8 | Brassicaceae | Cardamine

13. Cardamine scaposa Franchet, Pl. David. 1: 33. 1883.

裸茎碎米荠 luo jing sui mi ji

Cardamine denudata O. E. Schulz.

Herbs perennial, (4-)8-18 cm tall, scapose, glabrous throughout. Rhizomes slender, with slender stolons. Stems leafless, erect, simple. Rhizomal leaves simple; petiole (1-)2-9(-12) cm; leaf blade reniform or suborbicular, (0.3-)0.6-1.7(-2) × (0.5-)1-2.5(-3) cm, base cordate, margin repand-crenate or entire. Cauline leaves absent. Racemes terminal, 2-7(-10)-flowered. Fruiting pedicels erect or erect-ascending, 1-4 cm, proximal longest. Sepals ovate or oblong, 3-4 × 1.5-2.2 mm, margin membranous, lateral pair subsaccate. Petals white, broadly obovate, (0.8-)0.9-1.3 cm × 5-7 mm, cuneate into a clawlike base to 2 mm, apex rounded or subemarginate. Median filament pairs 4.5-8 mm, slightly dilated at base; lateral pair 2.5-4.5 mm; anthers narrowly oblong, 1.5-1.8 mm. Ovules 8-14 per ovary. Fruit linear, 2-3.5 cm × 1.2-1.7 mm; valves glabrous, smooth; style 3-7.5 mm. Seeds brown, oblong, 2-3 × 1-1.5 mm, wingless. Fl. Apr-Jun, fr. Jun-Jul.

* Shrubby slopes, moist areas; 1400-2500 m. Hebei, Nei Mongol, Shaanxi, Shanxi, Sichuan.

The above first record from Sichuan is based on Farges 570 (P). The type collection of Cardamine denudata, G. Giraldi 5480 (holotype, B), is indistinguishable from that of C. scaposa, A. J. P. David 1815 (holotype, P; isotypes, LE, P). The former specimen was collected from Shaanxi, whereas the latter was from Nei Mongol.

This species is used medicinally.


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