Morphological characteristics and suitable growth Environment of Perilla frutescens
[morphological characteristics] Perilla frutescens is an annual herb with a height of 60cm to 150cm and has a special fragrance. Stems erect, quadrangular, purple or greenish purple, much branched, densely purple or white villous. Leaves opposite with long stalk, leaf blade wrinkled, ovate to broadly ovate, apex protruding or acuminate, margin coarsely rounded serrate, purple on both sides, or green on surface, purple on back. Racemes, terminal or axillary, flowers purplish red or reddish, calyx campanulate. Nutlets Obovate, gray-brown, seeds elliptic, minute. The florescence is from June to July and the fruiting period is from July to September.
[suitable environment] likes the warm and humid climate, but the loose, fertile, well-drained sandy loam is the best, and it can grow in slightly sticky soil, but the growth and development is poor.
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