Trifolium physodes

Trifolium physodes

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Perennials 20-50 cm, the stems decumbent to erect, not rooting at the nodes. Leaflets 0,5-3,0 cm, elliptical to obovate-cuneate, the apex rounded or retuse, green. Inflorescence 1,5-2,5 cm wide, globose to ovoid, 30-50-flowered, without an involucre. Calyx inflated in fruit, villous or glabrous. Flowers pink, 10-14 mm.
1. Calyx hairy, at least on the upper face .......var. physodes
1. Calyx glabrous or with a few hairs only .....var. psilocalyx