Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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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.

DENDROMECON

TREE POPPY

Shrub to small tree, evergreen; sap colorless
Leaves entire or minutely toothed
Inflorescence: flowers solitary, terminal
Flower: receptacle funnel-shaped around ovary base; sepals 2, shed at flower; petals 4, free, obovate or wedge-shaped, yellow, satiny, shed after pollination; stamens many, free; placentas 2, style 0, stigma lobes 2, flat
Fruit cylindric, dehiscent from base
Seeds many, 2–3 mm, obovate, smooth, brown or black with pale outgrowth near stalk
Species in genus: 2 species: CA, Baja CA
Etymology: (Greek: tree poppy)

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