This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Physalis pubescens L. Sp. Pl. 183. 1753- Annual; stem generally diffuse or spreading, much branched, angled, often a little swollen at the nodes, villous-pubescent or sometimes nearly glabrous; leaves thin, 1'-2 1/2' long, ovate, acute or acuminate, at the base oblique, slightly cordate and generally entire, upward repand-den-ticulate or entire, pubescent, sometimes becoming nearly glabrous except along the veins; peduncles short, 1"-2" long or in fruit about 5"; calyx-lobes narrow but not with a subulate tip; corolla 3"-S" in diameter, yellow with dark centre; anthers usually purplish; fruiting calyx membranous, io"-is" long, pyramidal, ovoid-acuminate, more or less retuse at the base.
In sandy soil, Pennsylvania to Florida, Arkansas and California; also in Mexico, the West Indies, Central and South America and India. Called also dwarf cape-gooseberry and strawberry-tomato. July-Sept.
Annual; stem stout, generally erect, and more hairy than the preceding and the two following species; stem obtusely angled, finely villous or somewhat viscid; leaves firm, 1 1/2'-4' long, finely pubescent, ovate, cordate, generally very oblique at the base, and deeply sinuately toothed with broad and often obtuse teeth; peduncles 1"-2" long, in fruit about 5"; calyx villous or viscid; lobes as long as the tube, narrow but not subulate-tipped; corolla 2"-4" in diameter; anthers yellow, or tinged with purple; fruiting calyx a little firmer and more pubescent than in the preceding, reticulate, 10"-15" long, ovoid, sunken at the base; berry yellow or green.
In cultivated soil, Massachusetts to Ontario, Florida, Iowa, Missouri and Colorado. July-Sept.
Annual; stem tall and erect or widely spreading, acutely 3-4-angled, pubescent, viscid, or nearly glabrous; leaves 1 1/2'-2 1/2' long, ovate or heart-shaped, acute, or abruptly acuminate, sharply repand-dentate, pubescent with short hairs; peduncles short, 1 1/2"-2" long, but in fruit sometimes 10"; calyx generally densely viscid-hirsute, lobes lanceolate, acuminate, but not subulate-tipped; corolla 2i"-s" in diameter; anthers generally purplish; fruiting calyx longer than in the two preceding species, 1'-1 1/4' long, acuminate and reticulate, retuse at the base.
Sandy soil, Pennsylvania to Illinois, Missouri, Florida, Mexico, the West Indies and South America. July-Sept.