FNA: Calendula arvensis

	Calendula arvensis
	field-marigold
Leaf	blades (1–)3–8(–10+) cm × 4–15(–20+) mm.
Peduncles	3–5 cm.
Ray florets	13–18+; corolla laminae 5–8(–12+) mm.
Disc florets	20–30+; corollas 2.5–4 mm.
Phyllaries	13–21+, 6–10+ mm.
Cypselae	3–12(–25+) mm.
2n	= 44 (18 and 36 have been reported).

	Calendula arvensis
Phenology	Flowering Feb–Apr.
Habitat	Disturbed places
Elevation	0–200 m (0–700 ft)
Distribution	CA; Eurasia; Africa; Atlantic Islands [Introduced in North America] [WildflowerSearch map] [BONAP county map]
Source	FNA vol. 19, p. 382.
Parent taxa	Asteraceae > tribe Calenduleae > Calendula
Sibling taxa	C. officinalis
Name authority	Linnaeus: Sp. Pl. ed. 2, 2: 1303. (1763)
Web links	Local floras: BC, CA Local Web sites: CalFlora, CalPhotos, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

field-marigold

Leaf

blades (1–)3–8(–10+) cm × 4–15(–20+) mm.

Peduncles

3–5 cm.

Ray florets

13–18+;

corolla laminae 5–8(–12+) mm.

Disc florets

20–30+;

corollas 2.5–4 mm.

Phyllaries

13–21+, 6–10+ mm.

Cypselae

3–12(–25+) mm.

= 44 (18 and 36 have been reported).

Phenology

Flowering Feb–Apr.

Habitat

Disturbed places

Elevation

0–200 m (0–700 ft)

Distribution

CA; Eurasia; Africa; Atlantic Islands [Introduced in North America]

Source

Parent taxa

Sibling taxa

Name authority

Linnaeus: Sp. Pl. ed. 2, 2: 1303. (1763)

Web links

Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).

Choose a data source: Flora of North America

The species comparison tool is brought to you by:

Flora of North America species comparison