''Calendula palaestina'', the Palestine marigold, is a species of annual flowering plant in the marigold genus ''

Calendula ''Calendula'' () is a genus of about 15–20 species''Calendula''.
Flora of China.

'', family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. It is an annual, erect, non-succulent herb, standing 20–40 cm high, with glandular hairs. The leaves are alternate, 2.5-10cm long to 20mm wide, flat, and hairy to rough in texture, with margins mostly wavy and toothed, and tips more or less pointed. Its flower heads, composed on many yellow ligulate (ray) and tubular (disc) florets, are borne singly at the ends of the stems. They have 2.5–4 cm long outer

achenes An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not open ...

, 2–2.5 cm long beaks, winged or wingless, sometimes crested or toothed; intermediate achenes are elongated; inner achenes are smaller, strongly curved, with scattered hairs. The native range of this species is the eastern Mediterranean to western Iran, and it has been introduced to

New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...

. It grows primarily in the subtropical biome.

Chemistry

The flowers, leaves, and stems of various ''Calendula'' species contain flavonoids, xanthophylls, and carotenoids, essential oils, coumarins (scopoletin), and water-soluble polysaccharides. Like other species of ''Calendula'', ''C. palaestina'' is used in various traditional and medicinal practices for its anti-inflammatory and antioxidant properties. There is evidence that this species of ''Calendula'' has the potential to lower

whitefly Whiteflies are Hemipterans that typically feed on the undersides of plant leaves. They comprise the family Aleyrodidae, the only family in the superfamily Aleyrodoidea. More than 1550 species have been described. Description and taxonomy The A ...

populations in a comprehensive pest management program in local communities, pending cultivation of these medicinal plant species. Calendula palaestina seeds

References

{{Taxonbar, from=Q15554215 palaestina Flora of Western Asia