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

29. Cardamine lyrata Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg. ser. 6, Sci. Math. 2: 29. 1833.

水田碎米荠 shui tian sui mi ji

Cardamine argyi H. Léveillé.

Herbs perennial, (20-)30-70(-80) cm tall, glabrous throughout. Rhizomes short, thick, not scaly. Stolons from rhizome or lower to middle stem nodes, to 80 cm. Stems erect, simple, striate angled, 8-15-leaved. Leaves on stolons simple or rarely with a basal pair of auriclelike leaflets; petiole 3-12 mm; leaf blade suborbicular, cordate, or reniform, (0.7-)1-2.2(-3) × 0.7-2(-2.3) cm, margin repand or entire, apex rounded. Cauline leaves sessile, middle ones (1.5-)3-5(-7) cm; terminal leaflet orbicular, ovate, or rarely oblong, 1-3 × (0.8-)1-3 cm, with a petiolule (0.3-)0.5-1.5(-2) cm, base cordate, subtruncate, or obtuse, margin repand or subentire, apex rounded; lateral leaflets 2-5 pairs, much smaller than terminal one, ovate, suborbicular, or oblong-ovate; proximal pair of lateral leaflets auriclelike, attached at or just above node, often giving appearance of amplexicaul leaf base. Fruiting pedicels (0.7-)1-2(-2.5) cm, slender, divaricate, usually straight. Sepals ovate, 3-3.5 × 1-1.5 mm, margin membranous, lateral pair subsaccate. Petals white, obovate, 7-10 × 3-4 mm, not clawed, apex rounded or emarginate. Filaments slightly spreading, median pairs 4-5 mm, lateral pair 2.5-3.5 mm; anther narrowly oblong, 1-1.5 mm. Ovules 14-18 per ovary. Fruit linear, strongly flattened, (1.5-)2-3(-3.5) cm × 1.5-2 mm; valves smooth, glabrous; styles slender, 1.5-3 mm. Seeds brown, oblong, 2-3 × 1-2 mm, winged all around; wing to 1 mm wide. Fl. Apr-Jun, fr. May-Jul.

Moist places, streamsides; near sea level to 1000 m. Anhui, Fujian, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Shandong, Sichuan, Zhejiang [Japan, Korea, Russia].

Although the type of Cardamine argyi was collected from Jiangsu, Argy s.n. (holotype, E), the name was not listed in FRPS or any provincial Chinese flora.


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