Flora of North America species comparison

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Eschscholzia hypecoides

Eschscholzia minutiflora

leafy stem poppy, San Benito poppy

Coville s poppy, pygmy goldenpoppy, pygmy poppy
Habit Plants annual, caulescent, erect, 5-30 cm, sparsely pubescent. Plants annual, caulescent, erect or spreading, 5-35 cm.
Leaves

basal and cauline;

blade with ultimate lobes usually obtuse.

basal and cauline;

blade grayish or bluish green, glabrous, glaucous; ultimate lobes usually obtuse, terminal broadened at apex.
Inflorescences

cymose or 1-flowered;

buds nodding.

cymose or 1-flowered;

buds nodding.
Flowers

receptacle turbinate, less than 1.5 mm broad, cup without spreading free rim;

calyx acute, pubescent;

petals yellow, sometimes with orange spot at base, 10-20 mm.

receptacle obconic, cup without spreading free rim;

calyx acuminate, glabrous, sometimes glaucous;

petals yellow, sometimes with orange spot at base, 3-26 mm.
Capsules

3-7 cm.

3-6 cm.
Seeds

brown, spheric to ellipsoid, 1-1.3 mm, reticulate.

brown to black, ellipsoid, 1-1.4 mm, reticulate.
2n

= 12.

= 12, 24, 36.

Eschscholzia hypecoides

Eschscholzia minutiflora
Phenology Flowering spring (Mar–May). Flowering late winter–spring (Mar–May).
Habitat Grassy areas in woodland, chaparral Desert washes, flats, and slopes
Elevation 500-1500 m (1600-4900 ft) 0-2000 m (0-6600 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA; NV; UT; nw Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Eschscholzia minutiflora is highly variable in flower size. Typically, plants are hexaploid (2n = 36) with petals 3-10 mm. Tetraploid plants (2n = 24) with petals 6-18 mm, from the northern and central Mojave Desert of California, have been distinguished as subsp. covillei. Diploid plants (2n = 12) with petals 10-26 mm, restricted to the El Paso and Rand mountains of the western Mojave Desert, have been distinguished as E. minutiflora subsp. twisselmannii and are considered to be of conservation concern; previously they were misattributed to E. parishii.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. FNA vol. 3.
Parent taxa Papaveraceae > Eschscholzia Papaveraceae > Eschscholzia
Sibling taxa
E. caespitosa, E. californica, E. glyptosperma, E. lemmonii, E. lobbii, E. minutiflora, E. parishii, E. ramosa, E. rhombipetala
E. caespitosa, E. californica, E. glyptosperma, E. hypecoides, E. lemmonii, E. lobbii, E. parishii, E. ramosa, E. rhombipetala
Synonyms E. caespitosa var. hypecoides E. covillei, E. minutiflora subsp. covillei, E. minutiflora subsp. twisselmanii, E. minutiflora var. darwinensis
Name authority Bentham: Trans. Hort. Soc. London, ser. 2, 1: 408. (1835) S. Watson: Proc. Amer. Acad. Arts 11: 122. (1876)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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