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.

ROMNEYA

MATILIJA POPPY

Subshrub or shrub, 100–250 cm, woody below; sap clear, bitter; rhizomes creeping
Leaves cauline, gray-green-glaucous; lobes 3–5, deep, lanceolate to ovate
Inflorescence: flowers solitary, terminal
Flower: sepals 3; petals 6, free, obovate, crinkled, white, shed after pollination; stamens many, free; chambers 1–12, placentas 7–12, style 0, stigma lobes 7–12, flat
Fruit: oblong to ovoid, bristly, dehiscent from tip
Seeds many, 1.3–1.5 mm, ovate
Species in genus: 2 species: CA, Baja CA
Etymology: (T. Romney Robinson, Irish astronomer, early 1800's)

Native

R. coulteri Harv.

COULTER'S MATILIJA POPPY


Leaf 5–20 cm
Flower: sepals glabrous; petals 60–100 mm
Fruit 3–4 cm
Seed papillate, dark brown
Ecology: UNCOMMON. Dry washes, canyons
Elevation: < 1200 m.
Bioregional distribution: eastern South Coast, Peninsular Ranges.Largest flowers of any plant native to CA
Horticultural information: DRN, SUN: 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24; CVS; INV.
See the CNPS Inventory for information about endangerment and rarity.
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bioregional map for ROMNEYA%20coulteri being generated
 


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