Oenothera elata subsp. hookeri

(Torrey & A. Gray) W. Dietrich & W. L. Wagner

Ann. Missouri Bot. Gard. 74: 152. 1987.

Basionym: Oenothera hookeri Torrey & A. Gray Fl. N. Amer. 1: 493. 1840
Synonyms: O. biennis var. hookeri (Torrey & A. Gray) B. Boivin O. communis var. hookeri (Torrey & A. Gray) H. Léveillé O. franciscana Bartlett O. hookeri var. franciscana (Bartlett) R. R. Gates O. hookeri subsp. montereyensis Munz O. hookeri var. montereyensis (Munz) Hoover O. montereyensis (Munz) Rostański Onagra hookeri (Torrey & A. Gray) Small
Treatment appears in FNA Volume 10.

Herbs strigillose, also villous with appressed or spreading hairs, usually these with conspicuous red-pustulate bases, also glandular puberulent. Flowers: buds flushed with red, with free tips 1–5 mm; petals 25–40 mm; anthers 12–23 mm. 2n = 14.


Phenology: Flowering Aug–Oct.
Habitat: Moist coastal and slightly in­land sandy and bluff habitats.
Elevation: 0–200 m.

Discussion

Subspecies hookeri has a restricted range in Cali­fornia from around San Francisco Bay along the coast from the vicinity of Petaluma, Sonoma County, and Point Reyes south to Santa Barbara County, including Santa Cruz Island, and south to San Diego County. It intergrades along the inland margins of the range with subsp. hirsutissima.

Selected References

None.

Lower Taxa

None.
1.2 cm12 mm <br />0.012 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
Warren L. Wagner +
(Torrey & A. Gray) W. Dietrich & W. L. Wagner +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
10 cm100 mm <br />0.1 m <br /> (43 cm430 mm <br />0.43 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
pale green +  and yellow usually fading orange purple pale-yellow reddish or whitish +
conspicuous +
red-pustulate +
pedicel-like +
Oenothera hookeri +
indehiscent +  and loculicidal +
red +, green +  and grayish green +
subentire +, dentate +, lobed to sinuate-dentate +  and lobed +
oblanceolate +  and narrowly elliptic or narrowly lanceolate +
persistent +
30 cm300 mm <br />0.3 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
flushed with red +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
quadrangular +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
gray-green +, green +  and dull +
curved +  and straight +
indehiscent +  and dehiscent +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
spreading +  and erect +
lanceoloid +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
4 cm40 mm <br />0.04 m <br /> (25 cm250 mm <br />0.25 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0–200 m. +
whitish +  and green +
exfoliating +
basifixed +  and versatile +
1.7 cm17 mm <br />0.017 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
4.5 cm45 mm <br />0.045 m <br /> (5 cm50 mm <br />0.05 m <br />) +
hispid +, lanate +  and glabrous +
3 cm30 mm <br />0.03 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
zygomorphic +  and actinomorphic +
unscented +
curved +  and straight +
indehiscent +  and dehiscent +
4-angled +, terete +, tapering +, cylindrical +, ellipsoid +, clavate +, ovoid ellipsoid +  and cylindrical rhombic-obovoid or globose +
Moist coastal and slightly inland sandy and bluff habitats. +
spreading +  and appressed +
perennial +, short-lived +  and biennial +
suffrutescent +
puberulent +, villous +  and strigillose +
nodding +  and erect +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
deciduous +
3 cm30 mm <br />0.03 m <br /> (25 cm250 mm <br />0.25 m <br />) +
subentire +, dentate +, undulate +  and flat +
pedicellate +  and sessile +
1 +  and 8 +
4.7 cm47 mm <br />0.047 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
yellow +  and pale-yellow fading orange or pale-yellow +
obcordate +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering Aug–Oct. +
Ann. Missouri Bot. Gard. +
basal +  and cauline +
clavate +  and globose +
black +  and dark-brown to almost +
0.1 cm1 mm <br />0.001 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
sculptured +  and smooth +
angled +  and prismatic +
reduced +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
separate +  and separating +
flushed with red +, red-striped +  and yellowish green +
deciduous +
2.7 cm27 mm <br />0.027 m <br /> (5 cm50 mm <br />0.05 m <br />) +
parietal +, axile +  and placentation +
unequal +
adventitious +
aquatic +, amphibious +  and terrestrial +
elongate +
in 2 unequal series +  and subequal +
2 times as many or as many as sepals +
flushed with red proximally or flushed with red +  and green +
petiolate +  and sessile +
intrapetiolar +
pubescent +  and glabrous +
5 cm50 mm <br />0.05 m <br /> (9 cm90 mm <br />0.09 m <br />) +
aquatic +, amphibious +  and terrestrial +
smooth +, reticulate +  and furrowed +
O. biennis var. hookeri +, O. communis var. hookeri +, O. franciscana +, O. hookeri var. franciscana +, O. hookeri subsp. montereyensis +, O. hookeri var. montereyensis +, O. montereyensis +  and Onagra hookeri +
Oenothera elata subsp. hookeri +
Oenothera elata +
subspecies +
3(-5)-aperturate +
subterminal +  and terminal +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
woody +  and hard +
smooth +  and erose +
papillate +