Silphium perfoliatum 30+ PCS fresh seeds, cup plant, cup-plant, Herb seeds

Oreshka seeds
Silphium pronzennolistnaya (Latin Silphium perfoliatum).

A perennial plant with straight, tetrahedral, branched at the top, hollow, light green stems. The height of the plant when grown in the north reaches 180-250, and in the south 350-400 cm. The root system is powerful, consists of the main root and numerous shoots. The inflorescence is complex, consists of multi-tiered branches. Individual inflorescences are baskets with bright yellow petals, 3-4 cm in diameter. Up to 50-60 baskets are formed on each stem, which are located in the upper part of the plant.

The fruits are elongated-heart-shaped, flattened, brown achenes, about 10-12 mm long. The mass of 1000 seeds is 18-20 grams.

Blooms from the end of July to October. The nectar-bearing tissue of bright yellow color is slightly immersed in the recesses at the top of the ovary, which is also exposed by the nectar-bearing tissue. The nectary is low, almost flat on top: the side walls are slightly wavy. Nectar is collected in the recess of the ovary.

The life expectancy in one place is up to 50 years.
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