Physalis L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 196

7. Physalis L. 1

Annual or perennial herbs. Leaves alternate, opposite or in whorls of 3, simple. Flowers solitary, axillary. Calyx campanulate, 5- dentate, accrescent. Corolla 5-lobed, rotate or broadly campanulate. Stamens 5, exserted, inserted near top of the short corolla-tube. Stigma capitate. Fruit a globose berry, surrounded and usually much exceeded by the inflated calyx; seeds suborbicular to reniform.

Literature: R. B. Fernandes, Bol. Soc. Brot. 44: 343-366 (1970). S. J. Van Ooststroom & T. J. Reichgelt , Gorteria 1: 65-71 (1962). U. T. Waterfall, Rhodora 60: 107-114, 128-142, 152-173 (1958); 69: 82-120, 203-239, 319-329 (1967).

1 Corolla dirty white, rotate, the limb distinctly 5-lobed; fruiting calyx orange or red 1. alkekengi

1 Corolla yellow, usually with greyish, purple or brownish marks at throat, broadly campanulate, the limb subentire; fruiting calyx green or yellowish-green

2 Plant subglabrous or with a few short hairs on younger parts only 4. philadelphica

2 Plant with dense indumentum

3 Leaves acuminate; anthers 3-5-4 mm 2. peruviana

3 Leaves acute; anthers 1-2 mm 3. pubescens