Clarkia amoena subsp. whitneyi

(A. Gray) H. Lewis & M. E. Lewis

Univ. Calif. Publ. Bot. 20: 265. 1955.

Common names: Whitney’s clarkia
Basionym: Oenothera whitneyi A. Gray Proc. Amer. Acad. Arts 7: 340, 400. 1868
Synonyms: Godetia whitneyi (A. Gray) T. Moore
Treatment appears in FNA Volume 10.
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Stems decumbent, to 100 cm. Inflorescences congested ra­cemes; bracts lanceolate; inter­nodes shorter than subtending flowers. Flowers: petals with bright red spot mid-blade, 30–60 mm; ovary broadly fusiform, 8–12 mm wide, 8-grooved, 4 deeper; stigma exserted beyond anthers. 2n = 14.


Phenology: Flowering Jul–Aug.
Habitat: Coastal scrub.
Elevation: 0–100 m.

Discussion

Subspecies whitneyi is common in cultivation, mostly as hybrid derivatives with other subspecies, but is scarce in the wild, found only rarely along the coast in Humboldt and Mendocino counties; it is listed as rare by the California Native Plant Society.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

notched +
Harlan Lewis† +  and Peter C. Hoch +
(A. Gray) H. Lewis & M. E. Lewis +
straight +
Oenothera whitneyi +
indehiscent +  and loculicidal +
denticulate +  and entire +
lanceolate +
pedicellate +, sessile +, 8-ribbed +  and 4-grooved +
curved +  and straight +
indehiscent +  and loculicidal +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
elongated +
inconspicuous +
Whitney’s clarkia +
bowl--shaped +
0.1 cm1 mm <br />0.001 m <br /> (?) +
lanceolate +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0–100 m. +
basifixed +  and versatile +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
actinomorphic +
protandrous +  and bisexual +
pedicellate +  and sessile +
curved +  and straight +
indehiscent +  and loculicidal +
terete +, 4-angled +, clavate +, fusiform +, cylindrical +  and elongate +
Coastal scrub. +
unicellular-papillose +
deciduous +
fusiform +
8mm +  and 12mm +
numerous +  and 1 +
0 cm0 mm <br />0 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
pale-pink +  and lavender +
not lobed +, obovate +  and fan-shaped +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Jul–Aug. +
red +, lavender +, blue-gray +, yellow +  and cream +
Univ. Calif. Publ. Bot. +
basal +  and cauline +
several +  and 1 +
clavate +  and globose +
brown +  and grayish brown +
few +  and numerous +
sculptured +  and smooth +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
pink +  and purplish red +
deciduous +
0 +  and 1 +
parenchymatous +
parietal +, axile +  and placentation +
1 +, 4 +  and 2 +
unequal +
subequal +
aquatic +, amphibious +  and terrestrial +
subequal +
2 times as many or as many as sepals +
unbranched +  and sparsely branched +
erect +  and decumbent +
puberulent +
slender +  and stout +
0 cm0 mm <br />0 m <br /> (100 cm1,000 mm <br />1 m <br />) +
not +  and exserted +
petiolate +  and sessile +
intrapetiolar +
aquatic +, amphibious +  and terrestrial +
Godetia whitneyi +
Clarkia amoena subsp. whitneyi +
Clarkia amoena +
subspecies +
3(-5)-aperturate +
short-acute +
smooth +  and erose +
papillate +