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How to identify the blue-flowered Microula? Sharing practical identification methods and tips

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Flowers: usually blue, the inflorescence branches at acute angles and is very compact, with no bracts. The filaments grow from the middle of the corolla tube and are about 5-6mm long. The corolla is 5-6mm long, with rounded lobes that have very distinct netted veins. Fruit: ovate, slightly concave on the back, flowering and fruiting from May to September, about 3-4mm long.

I. Flowers

The corolla of the blue-flowered Microula is generally blue, and the inflorescence branches at acute angles and is very compact, extending straight upward and gathered into a panicle, with no bracts. The filaments are attached to the middle part of the corolla tube and are about 0.5mm long; the corolla is 5-6mm long. The calyx is about 2.5-3.5mm long, densely covered with fine pubescence on the outside, with lobes ovate or oblong and very pointed tips. The pedicel is 2-3mm long; the corolla is 5-6mm long, with rounded lobes that have very distinct netted veins.

II. Fruit

Its nutlets are ovate, slightly concave on the back, densely covered with anchor-like spines, with the bases of the marginal anchor-like spines joined together, 3-4mm long; the flowering and fruiting period is usually between May and September.

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