Flora of North America species comparison

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Eschscholzia ramosa

Eschscholzia rhombipetala

Channel Island poppy, Channel Islands poppy, island-poppy

diamond-petal California poppy
Habit Plants annual, caulescent, erect, 5-30 cm, glabrous, sometimes glaucous. Plants annual, caulescent, erect, 5-30 cm, glabrous.
Leaves

basal and cauline;

blade glabrous; ultimate lobes elongate, obtuse.

basal and cauline;

blade glabrous; ultimate lobes generally obtuse.
Inflorescences

cymose or 1-flowered;

buds erect, blunt or rounded short-acuminate, tip less than 1/4 length of bud.

cymose or 1-flowered;

buds erect or nodding.
Flowers

receptacle obconic, less than 2.5 cm broad, cup without spreading free rim;

calyx acuminate, glabrous;

petals yellow, sometimes with orange spot at base, 5-20 mm.

receptacle turbinate to obconic, distally translucent and somewhat swollen, more than 2 mm broad, cup without spreading free rim;

calyx acute or acuminate, glabrous, sometimes glaucous;

petals yellow, 3-15 mm.
Capsules

4-7 cm.

4-7 cm.
Seeds

brown, ellipsoid, 1.4-1.6 mm, reticulate.

black, spheric, 1.3-1.8 mm, reticulate.
2n

= 24.

Eschscholzia ramosa

Eschscholzia rhombipetala
Phenology Flowering spring (Apr–Jun). Flowering spring (Mar–May).
Habitat Open places, especially in chaparral Fallow fields, open places
Elevation 0-300 m (0-1000 ft) 0-500 m (0-1600 ft)
Distribution
from FNA
CA; Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Within the flora area, Eschscholzia ramosa is known only from the California Channel Islands.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Originally known from seven sites in California, Eschscholzia rhombipetala had not been seen since the early 1970s before it was rediscovered in 1993 on the Carrizo Plain in San Luis Obispo County.

(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. hypecoides, E. lemmonii, E. lobbii, E. minutiflora, E. parishii, E. rhombipetala
E. caespitosa, E. californica, E. glyptosperma, E. hypecoides, E. lemmonii, E. lobbii, E. minutiflora, E. parishii, E. ramosa
Synonyms E. elegans var. ramosa
Name authority (Greene) Greene: Bull. Torrey Bot. Club 13: 217. (1886) Greene: Bull. Calif. Acad. Sci. 1: 71. (1885)
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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