Flora of North America species comparison

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Meconella oregana

Oregon meconella, white fairy-poppy, white meconella
Habit Plants 0.2-1.6 dm.
Stems

erect to ascending.
Leaves

3-18 mm;

proximal cauline whorled, blade linear-spatulate;

distal usually opposite, blade broadly linear;

petiole to 10 mm;

margins entire.
Inflorescences

peduncle 2-8 cm.
Flowers

receptacle shorter than broad, expanded into small ring beneath calyx;

petals white, alternately obovate and oblanceolate, 1-5 × 1-3 mm, apex rounded;

stamens 4-6, in 1 series;

filaments ± equal, usually as broad as anthers;

anthers ovoid, minute, much shorter than filaments.
Capsules

to 25 × 1.5 mm.
2n

= 16.

Meconella oregana
Phenology Flowering early–late spring.
Habitat Sandy bluffs, meadows and partly sunny, moist banks
Elevation 0-300 m (0-1000 ft)
Distribution
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Flowers of Meconella oregana often display irregularities such as fusion, loss, or addition of parts (W. R. Ernst 1962). Some specimens from central California (Alameda and Contra Costa counties) are difficult to assign with certainty to either M. oregana or M. californica. Depauperate plants of the latter species sometimes can be distinguished from M. oregana only by their unequal and more numerous stamens (W. R. Ernst 1967).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Papaveraceae > Meconella
Sibling taxa
M. californica, M. denticulata
Name authority Nuttall: in J. Torrey & A. Gray, Fl. N. Amer. 1: 64. (1838)
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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