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The plant is similar in appearance to other members of the carrot family, with finely divided, feathery leaves with thread-like divisions, growing on 20–30 cm (8–12 in) stems. The main flower stem is 30–60 cm (12–24 in) tall, with small white or pink flowers in compound umbels composed of 5–16 unequal rays 1–6 cm (0.4–2.4 in) long.
Stuckenia pectinata is a fully submerged aquatic plant and does not have any floating or emerged leaves. [2] The flowers are wind pollinated and the seeds float. Tubers that are rich in starch are formed on the rhizomes. Reproduction can either be vegetative with tubers and plant fragments or sexual with seeds. [3]
Fennel (Foeniculum vulgare) is a flowering plant species in the carrot family. [1] [2] It is a hardy, perennial herb [3] with yellow flowers and feathery leaves. [4]It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world, especially on dry soils near the sea coast and on riverbanks.
The genus name Nigella is a diminutive of the Latin niger "black", referring to the seed color. [6] [7] The specific epithet sativa means "cultivated".[6]In English, Nigella sativa and its seed are variously called black caraway, black seed, black cumin, fennel flower, nigella, nutmeg flower, Roman coriander, [3] [6] black onion seed [8] and kalonji.
Eupatorium capillifolium, or dog fennel (also written "dogfennel"), is a North American perennial herbaceous plant in the family Asteraceae, native to the eastern and south-central United States. [3] It is generally between 50 cm and 2 meters tall with several stems that fork from a substantial base. [ 4 ]
Cumin – flowering plant in the family Apiaceae, native from the east Mediterranean to India. Cumin, black – Bunium persicum is a plant species in the family Apiaceae. Dill and dill seed – depending on where it is grown, is either a perennial or annual herb. Fennel – plant species in the genus Foeniculum.
Small seeds, such as fennel and mustard, can be used either in their whole form or as a powder, depending on the culinary need. A whole dried spice has the longest shelf life, so it can be purchased and stored in larger amounts, making it cheaper on a per-serving basis.
Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .