Physalis Flowers in a magical forestPhysalis is a genus of plants in the nightshade family (Solanaceae), native to warm temperate and subtropical regions throughout the world. The genus is characterised by the small orangey fruit similar in size, shape and structure to a small tomato, but partly or fully enclosed in a large papery husk derived from the calyx. Collectively, they are referred to as groundcherries but many species are well-known to humans and have more fanciful names.
They are herbaceous plants growing to 0.4-3 m tall, similar to the common tomato - a relative - but usually with a stiffer, more upright stem; they can be either annual or perennial. Most require full sun and fairly warm to hot temperatures. Some species are sensitive to frost, though others such as P. alkekengi (Chinese Lantern) tolerate severe cold when dormant in winter.
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