Oenothera californica subsp. californica

Synonyms: Oenothera albicaulis var. melanosperma H. Léveillé O. californica var. glabrata Munz
Treatment appears in FNA Volume 10.

Herbs perennial, densely strig­illose and villous, sometimes glabrous; from a taproot, lateral roots producing adventitious shoots. Stems ascending to decumbent, unbranched or branched, new rosettes not forming at branch apex, 10–40 cm. Leaves: blade oblong to oblanceolate to spatulate, margins usually entire or weakly dentate, sometimes more conspicuously dentate to pinnatifid. Flowers: floral-tube 20–40 mm; sepals 15–25 mm; petals 15–30 mm. Capsules 30–55 mm. 2n = 28.


Phenology: Flowering Apr–Jul(–Sep).
Habitat: Sandy or gravelly areas, open, coastal-sage scrub, chaparral, oak woodlands.
Elevation: 90–2000 m.

Distribution

Calif., Mexico (Baja California)

Discussion

Subspecies californica occurs in southwestern California from San Luis Obispo County south and into the Little San Bernardino Mountains to northern Baja California (Sierra de San Pedro Mártir).

Selected References

None.

Lower Taxa

None.
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Warren L. Wagner +
(S. Watson) S. Watson in W. H. Brewer et al. +
pale green +  and yellow usually fading orange purple pale-yellow reddish or whitish +
pedicel-like +
Oenothera albicaulis var. californica +
indehiscent +  and loculicidal +
sinuate-dentate +  and pinnatifid denticulate subentire or entire +
oblong +  and oblanceolate +
10 cm100 mm <br />0.1 m <br /> (60 cm600 mm <br />0.6 m <br />) +
quadrangular +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
spreading +  and ascending +
tapering +, 4-angled +  and cylindrical +
3 cm30 mm <br />0.03 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Calif. +  and Mexico (Baja California) +
90–2000 m. +
pink +  and white +
exfoliating +
basifixed +  and versatile +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
hispid +, lanate +  and glabrous +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
zygomorphic +  and actinomorphic +
unscented +
1 +  and several +
curved +  and straight +
indehiscent +  and dehiscent +
4-angled +, terete +, tapering +, cylindrical +, ellipsoid +, clavate +, ovoid ellipsoid +  and cylindrical rhombic-obovoid or globose +
Sandy or gravelly areas, open, coastal-sage scrub, chaparral, oak woodlands. +
perennial +
suffrutescent +
glabrous +  and villous +
nodding +  and erect +
13 cm130 mm <br />0.13 m <br /> (26 cm260 mm <br />0.26 m <br />) +
deciduous +
1 cm10 mm <br />0.01 m <br /> (13 cm130 mm <br />0.13 m <br />) +
dentate +  and entire +
conspicuously dentate +  and pinnatifid +
pedicellate +  and sessile +
1 +  and 8 +
3.5 cm35 mm <br />0.035 m <br /> (4 cm40 mm <br />0.04 m <br />) +
fading pink +  and deep pink +
obcordate +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering Apr–Jul(–Sep). +
Bot. California +
1 cm10 mm <br />0.01 m <br /> (13 cm130 mm <br />0.13 m <br />) +
basal +  and cauline +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
clavate +  and globose +
purple dots +, yellowish-brown +  and black +
sculptured +  and smooth +
obovoid +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
not spotted +
deciduous +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
parietal +, axile +  and placentation +
unequal +
adventitious +
aquatic +, amphibious +  and terrestrial +
in 2 unequal series +  and subequal +
2 times as many or as many as sepals +
branched +  and unbranched +
ascending +  and decumbent +
petiolate +  and sessile +
intrapetiolar +
pubescent +  and glabrous +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
aquatic +, amphibious +  and terrestrial +
smooth +, reticulate +  and furrowed +
alveolate +
Oenothera albicaulis var. melanosperma +  and O. californica var. glabrata +
Oenothera californica subsp. californica +
Oenothera californica +
subspecies +
3(-5)-aperturate +
0 cm0 mm <br />0 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
woody +  and hard +
smooth +  and erose +
papillate +