Appearance
This species is a perennial herb growing 20–60 cm tall with somewhat oval-shaped leaf blades 4–7 cm long borne on petioles. Flowers occur in the leaf axils. The bell-shaped corolla is up to 2 cm wide and is yellow with purplish markings around the center. The husk covering the berry is up to 3.5 cm long with ten veins.There are two varieties:
⤷ ''P. longifolia'' var. ''longifolia''
⤷ ''P. longifolia'' var. ''subglabrata''
Uses
The yellow-green fruit is edible. The fresh fruit "tastes like an effervescent, under-ripened strawberry", and the dried berry "tastes like a cross between a raisin and dried cranberry." Native American groups used it for food. The Puebloan peoples called the fruits ''charoka'' and ''shuma charoka'' and ate them fresh or cooked.The Zuni people referred to the plant and its relative ''Physalis hederifolia'' as ''Ke’tsitokia'', and probably used them in similar ways. Women grew it in household gardens. The tomato-flavored berry was boiled and ground with onion, coriander, and chilis to make a dish considered to be a delicacy. The fruit was also dried and mixed into flour for bread. Today the Zuni use the closely related common tomatillo in a sauce recipe derived from the traditional dishes that used wild species.
The var. ''subglabrata'' has been listed in government compendia of Louisiana restricted taxa believed to be hallucinogenic, but this is likely inaccurate.
''P. longifolia'' is easy to grow in trials and produces a flavorful fruit.
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