Oenothera elata subsp. hirsutissima

(A. Gray ex S. Watson) W. Dietrich

Ann. Missouri Bot. Gard. 70: 195. 1983.

Basionym: Oenothera biennis var. hirsutissima A. Gray ex S. Watson Proc. Amer. Acad. Arts 8: 579, 603. 1873
Synonyms: O. elata var. hirsutissima (A. Gray ex S. Watson) Cronquist O. elata subsp. texensis W. Dietrich & W. L. Wagner O. grisea (Bartlett) Rostański O. hewettii (Cockerell) Cockerell ex A. W. Hill O. hirsutissima (A. Gray ex S. Watson) de Vries O. hookeri subsp. angustifolia (R. R. Gates) Munz O. hookeri var. angustifolia R. R. Gates O. hookeri subsp. grisea (Bartlett) Munz O. hookeri var. grisea (Bartlett) Munz O. hookeri subsp. hewettii Cockerell O. hookeri var. hewettii (Cockerell) R. R. Gates O. hookeri subsp. hirsutissima (A. Gray ex S. Watson) Munz O. hookeri var. hirsutissima (A. Gray ex S. Watson) Munz O. hookeri var. irrigua (Wooton & Standley) R. R. Gates O. hookeri subsp. ornata (A. Nelson) Munz O. hookeri var. ornata (A. Nelson) Munz O. hookeri var. semiglabra R. R. Gates O. hookeri var. simsiana (Seringe) R. R. Gates O. hookeri subsp. venusta (Bartlett) Munz O. hookeri var. venusta (Bartlett) Munz O. irrigua Wooton & Standley O. jepsonii Greene O. macbrideae (A. Nelson) R. R. Gates O. ornata (A. Nelson) R. R. Gates O. simsiana Seringe O. venusta Bartlett O. venusta var. grisea Bartlett Onagra macbrideae A. Nelson O. ornata A. Nelson
Treatment appears in FNA Volume 10.

Herbs strigillose, usually also villous, with appressed or spreading hairs, sometimes these with red-pustulate bases, distally sometimes also glandular puberulent. Flowers: buds green to yellowish green, red-striped, or sometimes red throughout, with free tips 2–7 mm; petals 30–47 (–55) mm; anthers 8–15 (–22) mm. 2n = 14.


Phenology: Flowering (Apr–)Jul–Sep(–Oct).
Habitat: Montane sites along streams, mesic meadows, roadsides, near permanent or seasonally wet sites, ditch banks, riverbanks, flood plains, fallow agricultural land.
Elevation: 10–3000 m.

Distribution

Ariz., Calif., Colo., Idaho, Kans., Nev., N.Mex., Okla., Oreg., Tex., Utah, Wash., Mexico (n Baja California), Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Sinaloa), Mexico (Sonora)

Discussion

Subspecies hirsutissima occurs throughout much of the western United States, but with only scattered populations in Oklahoma (Custer, Logan, and McCurtain counties) and in eastern Texas (Anderson, Brazos, and Leon counties) and western Texas (Brewster, Culberson, Jeff Davis, and Presidio counties).

Onagra spectabilis Spach is an illegitimate name as is Oenothera corymbosa Sims 1818, not Lamarck 1798, and both pertain here.

Selected References

None.

Lower Taxa

None.
1.5 cm15 mm <br />0.015 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Warren L. Wagner +
(A. Gray ex S. Watson) W. Dietrich +
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 +
red-pustulate +
pedicel-like +
Oenothera biennis var. hirsutissima +
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 />) +
red +, red-striped +, green +  and yellowish green +
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 />) +
Ariz. +, Calif. +, Colo. +, Idaho +, Kans. +, Nev. +, N.Mex. +, Okla. +, Oreg. +, Tex. +, Utah +, Wash. +, Mexico (n Baja California) +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Sinaloa) +  and Mexico (Sonora) +
10–3000 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 +
Montane sites along streams, mesic meadows, roadsides, near permanent or seasonally wet sites, ditch banks, riverbanks, flood plains, fallow agricultural land. +
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 +
3 cm30 mm <br />0.03 m <br /> (4.7 cm47 mm <br />0.047 m <br />) +
Flowering (Apr–)Jul–Sep(–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. elata var. hirsutissima +, O. elata subsp. texensis +, O. grisea +, O. hewettii +, O. hirsutissima +, O. hookeri subsp. angustifolia +, O. hookeri var. angustifolia +, O. hookeri subsp. grisea +, O. hookeri var. grisea +, O. hookeri subsp. hewettii +, O. hookeri var. hewettii +, O. hookeri subsp. hirsutissima +, O. hookeri var. hirsutissima +, O. hookeri var. irrigua +, O. hookeri subsp. ornata +, O. hookeri var. ornata +, O. hookeri var. semiglabra +, O. hookeri var. simsiana +, O. hookeri subsp. venusta +, O. hookeri var. venusta +, O. irrigua +, O. jepsonii +, O. macbrideae +, O. ornata +, O. simsiana +, O. venusta +, O. venusta var. grisea +  and Onagra macbrideae +
Oenothera elata subsp. hirsutissima +
Oenothera elata +
subspecies +
3(-5)-aperturate +
subterminal +  and terminal +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
woody +  and hard +
smooth +  and erose +
papillate +