What is the difference between spicy polygonum and red polygonum?

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1. Differences in leaves

2. The difference between flowers

Leaf differences: The leaves of Polygonum japonica are lanceolate or oval-lanceolate, with the top gradually tapering and the base being wedge-shaped; the leaves of Polygonum ruberifera are broadly oval or ovate-lanceolate, with entire edges. Differences in flowers: Polygonum japonica has spike-like racemes with funnel-shaped bracts and green flowers; Polygonum rubri has spike-like inflorescences with light red or white flowers.

1. Differences in leaves

The leaves of Polygonum spp. are lanceolate or oval-lanceolate, 4 to 8 cm long and about 0.5 to 2.5 cm wide. The top of the leaf gradually becomes pointed. The base is wedge-shaped and the edges are entire. Both sides of the leaf are hairless and have small brown spots. The petiole is 4 to 8 mm long.

Polygonum red leaves with broad eggs Shape, ovate-lanceolate or broadly elliptical, 10 to 20 cm long and 5 to 12 cm wide, with the top gradually tapering, the base of the leaves rounded or nearly heart-shaped, and the edges entire.

2. Flower Difference< /h2>

Polygonum inflorum racemes are spike-shaped, terminal or axillary, 3 to 8 cm long, usually pendulous, with sparse flowers and discontinuous lower parts. The flower bracts are funnel-shaped and 2 to 3 mm long. green. The flowers are green with 5 deep lobes, and the upper part is white or light red.

Red Polygonum racemes Spike-shaped, terminal or axillary, 3 to 7 cm long, the flowers are compact, slightly drooping, usually several more forming a cone shape, the flowers are light red or white.

2. The difference between flowers

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