Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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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.

ESCHSCHOLZIA

Annual, perennial herb; taproot sap colorless or clear orange
Leaves basal and generally some cauline, ± linear-dissected
Inflorescence: cyme, 1–many-flowered
Flower: receptacle funnel-shaped, tip cupped around ovary base, sometimes spreading-rimmed below petals; sepals 2, fused, shed as a unit at flower; petals generally 4 (except doubled flowers), free, obovate or wedge-shaped, generally yellow to orange (white or pink), shed after pollination leaving crown-like membrane (formerly called "inner rim"); stamens 12–many, free; placentas 2, style 0, stigma lobes 4–8, spreading, linear
Fruit cylindric, dehiscent from base
Seeds many, 1–2 mm, round to ovate, net-ridged, bur-like, or pitted, tan, brown, or black
Species in genus: 12 species: w North America
Etymology: (J.F. Eschscholtz, Russian naturalist, 1793–1831)

Native

E. parishii Greene

Annual, erect, 5–30 cm, glabrous, bright green to yellow-green, sometimes glaucous
Leaf: segments > 1.5 mm, not widened to tip, acute
Flower: bud nodding, long-pointed, glabrous, sometimes glaucous; receptacle obconic; petals 8–30 mm, yellow
Fruit 5–7 cm
Seed 1–1.4 mm wide, generally round, net-ridged, tan to brown
Chromosomes: 2n=12
Ecology: Desert slopes, hillsides
Elevation: 0–1200 m.
Bioregional distribution: s Mojave Desert, Sonoran Desert
Distribution outside California: nw Mexico
Flowering time: Mar–Apr
Horticultural information: TRY.

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bioregional map for ESCHSCHOLZIA%20parishii being generated
 
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Eschscholzia parishii
Retrieve dichotomous key for Eschscholzia
Overlay Consortium of California Herbaria specimen data by county on this map
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