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

17. Cardamine repens (Franchet) Diels, Notes Roy. Bot. Gard. Edinburgh. 5: 204. 1912.

匍匐碎米荠 pu fu sui mi ji

Dentaria repens Franchet, Bull. Soc. Bot. France 32: 5. 1885; Cardamine tenuifolia (Ledebour) Turczaninow var. repens (Franchet) Franchet; Loxostemon repens (Franchet) Handel-Mazzetti.

Herbs perennial, 10-45 cm tall, glabrous throughout except for apices of leaf lobes. Rhizomes much elongated, with a few bulbils, 3-8 mm wide. Stems simple, erect, straight, stout. Rhizomal leaves simple or trifoliolate; petiole 4-8 cm; leaf blade or terminal leaflet suborbicular or broadly cordate, to 1.5 cm in diam., base cordate, margin entire or obscurely 5-lobed, terminal leaflet with a petiolule to 7 mm. Cauline leaves 2-5, trifid or pinnatisect and with 2(or 3) lateral lobes on each side of midvein, lobes all decurrent, often 1- or 2-toothed, rarely entire; petiole 0.3-4 cm, winged, glabrous or ciliate, not auriculate or rarely with a small, toothlike, puberulent auricle to 0.3 mm; terminal lobe linear-lanceolate, 1.2-5 cm × 4-9 mm, base attenuate, margin entire, along distal half often minutely puberulent with stout trichomes rarely to 0.2 mm, apex acute; lateral lobes similar to terminal. Racemes 5-20-flowered. Fruiting pedicels ascending, 0.8-2.2 cm, straight, glabrous. Sepals ovate, 2.5-3 × 1.2-1.7 mm, glabrous, margin and apex membranous, lateral pair subsaccate. Petals white or lavender, broadly obovate or spatulate, 6-8 × 2.5-4 mm, apex rounded. Median filament pairs 2.5-4, slightly flattened; lateral pair 1.5-3 mm; anthers oblong, 0.8-1 mm. Ovules 8-14 per ovary. Fruit linear, 2-3 cm × ca. 1.5 mm; valves smooth, glabrous; style 1-5 mm. Seeds brown, oblong, 1.2-1.5 × ca. 0.7 mm, wingless. Fl. May-Jun, fr. Jun-Jul.

* Grassy slopes, moist rocky crevices; 2400-3400 m. Sichuan, Yunnan.

Although Cardamine repens was first recorded from Sichuan by Handel-Mazzetti (Symb. Sin. 7: 362. 1931, as Loxostemon repens), this record was overlooked in FRPS and Fl. Sichuan. (vol. 14. 1999). The occurrence of the species in Sichuan is here confirmed based on the same collection cited in that first record, Handel-Mazzetti 2788 (NY, W, WU).


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