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Brassica oleracea is a plant species from the family Brassicaceae that includes many common cultivars used as vegetables, such as cabbage, broccoli, cauliflower, kale, Brussels sprouts, collard greens, Savoy cabbage, kohlrabi, and gai lan. It was most likely first brought into cultivation in the Eastern Mediterranean region.
In biology, the BBCH-scale for leafy vegetables forming heads describes the phenological development of leafy vegetables forming heads, such as cabbage, chinese cabbage, lettuce and endive, using the BBCH-scale. The phenological growth stages and BBCH-identification keys of leafy vegetables forming heads are:
The cabbage inflorescence, which appears in the plant's second year of growth, features white or yellow flowers, each with four perpendicularly arranged petals. Cabbage seedlings have a thin taproot and cordate (heart-shaped) cotyledons. The first leaves produced are ovate (egg-shaped) with a lobed petiole.
In many of the latter, buds are even more reduced, often consisting of undifferentiated masses of cells in the axils of leaves. A terminal bud occurs on the end of a stem and lateral buds are found on the side. A head of cabbage (see Brassica) is an exceptionally large terminal bud, while Brussels sprouts are large lateral buds. [citation needed]
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Brassicaceae (/ ˌ b r æ s ɪ ˈ k eɪ s iː ˌ iː,-s i ˌ aɪ /) or (the older) Cruciferae (/ k r uː ˈ s ɪ f ər i /) [2] is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs.
5: Inflorescence emergence 51: Main shoot begins to elongate 53: 30% of the expected height of the main shoot reached 55: First individual flowers of main inflorescence visible (still closed) 57: First individual flowers of secondary inflorescences visible (still closed) 59: First flower petals visible; flowers still closed 6: Flowering 60
The main kind of cymose inflorescence is the cyme (pronounced / s aɪ m /), from the Latin cyma in the sense 'cabbage sprout', from Greek kuma 'anything swollen'). [9] [10] Cymes are further divided according to this scheme: Only one secondary axis: monochasium. Secondary buds always develop on the same side of the stem: helicoid cyme or bostryx