Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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RESEDACEAE

MIGNONETTE FAMILY

Thomas F. Daniel

Annual, biennial, perennial herb, shrub
Leaves simple, alternate; stipules small, tooth- or gland-like; blade entire to deeply lobed
Inflorescence: raceme, terminal, spike-like
Flower generally bisexual, small, asymmetric, 1 per bract; sepals 2–8; petals 0–8; disk sometimes present; stamens 3–50+, generally on disk, anthers 2-chambered; pistils generally ± compound, 2–7-parted, generally open at top, ovary superior, sessile or short-stalked, generally 1-chambered, stigmas beak-like
Fruit: capsule, gaping at top, or berry
Seeds few–many, reniform
Genera in family: 6 genera, 70 species: n&e hemispheres, especially Medit
Reference: [Abdallah & de Wit 1978 Meded Landbouwhogeschool 78(14):99–416]

RESEDA

MIGNONETTE

Annual, perennial herb, shrub
Leaf petioled or not; blade entire to deeply lobed
Flower: sepals 4–8, margins generally white; petals 4–8, base generally dilated, limb generally lobed; stamens 10–40, on prominent disk; stigmas 3–5
Fruit: capsule
Species in genus: 55 species: especially Eur, Medit; cultivated as ornamental and naturalized widely
Etymology: (Latin: to calm, from supposed sedative property)

Introduced

R. alba L.

WHITE MIGNONETTE

Perennial, glabrous
Stem < 10 dm
Leaf pinnately lobed; lobes 4–11 per side
Inflorescence: bracts 3.5–9 mm, persistent in fruit; pedicel 2–8 mm
Flower: sepals 5–6; petals 5–6, 4.5–6 mm, whitish, alike, ± equally 3-lobed; stamens 11–13, filaments persistent in fruit
Fruit erect, 4-parted
Seed 1.2–1.3 mm, rough
Chromosomes: n=10; 2n=20,40
Ecology: Waste ground, fields, roadsides
Elevation: < 100 m.
Bioregional distribution: Central Western California, Southwestern California (generally coastal)
Distribution outside California: native to Mediterranean

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