Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

PAPAVERACEAE

POPPY FAMILY

Curtis Clark

Annual to small tree; sap often colored, often milky
Leaves basal, cauline, or both, generally toothed, lobed, or dissected; cauline generally alternate; stipules 0
Inflorescence: cyme, raceme, or panicle (terminal), or flower solitary
Flower bisexual, generally radial; sepals 2–4, sometimes shed ± at flower; petals generally 4 or 6 (or more), sometimes in 2 unlike pairs; stamens 4–many; ovary generally 1, superior, chamber generally 1, stigma lobes 0–many, ovules 1–many
Fruit: generally capsule, dehiscent by valves or pores, generally septicidal
Genera in family: 40 genera, 400 sp.: n temp, n tropical, s Africa; some cultivated (Papaver, Dicentra, Eschscholzia ). Petal length includes any spur or pouch. Hunnemannia fumariifolia Sweet (Eschscholzia-like garden per with free sepals) an uncommon waif in CA. Corydalis, Dicentra, Fumaria formerly treated in Fumariaceae.

GLAUCIUM

Biennial; taproot sap clear yellow
Leaves basal and cauline, deeply pinnately lobed, glaucous; 1° lobes entire to lobed
Inflorescence: flowers solitary, terminal or axillary
Flower: sepals 2, shed at flower; petals 4, free, obovate, yellow to orange, shed after pollination; stamens many, free; ovary chambers 1–2, placentas 2, style 0, stigma lobes 2, convex
Fruit: dehiscent from tip, linear
Seeds many, ovate to reniform, with shallow depressions, dark brown
Species in genus: 6 species: Medit
Etymology: (Greek: glaucous)

Introduced

G. flavum Crantz

SEA POPPY

Plant 50–100 cm, glabrous or sparsely hairy
Leaf 5–15 cm
Flower: petals 2–3 cm
Fruit 15–20 cm
Seed 1.5 mm
Ecology: Uncommon. Disturbed areas, where ± naturalized
Elevation: < 1000 m.
Bioregional distribution: California Floristic Province
Distribution outside California: native to Europe

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