How to distinguish the inverted kettle
I. Stem
The stem of the inverted kettle is single, or several clumps, densely appressed pubescent, it can grow to about 15-60cm.
2. Leaves
Basal leaves have long stalks, oblong-lanceolate or lanceolate, including petioles that can grow to about 5-30cm and about 1.5-4cm in width. Cauline leaf blade lanceolate or oblong, without petiole, and lateral veins conspicuous.
Third, flowers
The flower of the inverted kettle is blue, the lobes are round, the length is about 2.5mm, and the reticulate vein is very obvious. The style is linear and cylindrical, which is about the length of the calyx. The filament length is about 0.5mm, born in the middle of the Corolla tube, the anther is oblong in shape, the length is about 1mm. The length of the pedicel is about 2-3mm, and it will be longer when it is in fruiting stage.
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How to tell the blue cloth skirt
Flowers: usually blue, inflorescences acutely branched and very dense, without bracts. Filaments grow in the middle of Corolla tube, about 5-6mm long. Corolla length is 5-6mm, lobes are round, with very obvious reticulate veins. Fruit: ovate, slightly sunken abaxially, flowering and fruiting from May to September, about 3-4mm in length.
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How to distinguish the fragrant flower cliff bean vine
Leaves: the leaves of Tripterygium wilfordii have pinnately compound leaves, which are lanceolate, oblong or narrowly oblong. Flowers: panicles terminal, about 40 cm long, flowers solitary, Corolla purplish red. Fruit: the pod is linear or oblong, flat, with gray villi on the surface.
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