Camissoniopsis cheiranthifolia subsp. cheiranthifolia

Synonyms: Holostigma spirale (Hooker) Spach Oenothera cheiranthifolia var. nitida (Greene) Munz O. nitida Greene O. spiralis Hooker O. spiralis var. nitida (Greene) Jepson Sphaerostigma nitidum (Greene) Small S. spirale (Hooker) Fischer & C. A. Meyer S. spirale var. clypeatum (H. Léveillé) A. Nelson
Treatment appears in FNA Volume 10.
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Stems primarily herbaceous, usually prostrate or decumbent, moderately strigillose, rarely densely silvery strigillose. Flowers: floral-tube 2.1–4.2 (–4.8) mm; sepals 4–5.6 (–6.7) mm; petals 6–11 mm; episepalous filaments 2.8–4.5 mm, epipetalous filaments 1.5–3 mm, anthers 1–1.5 mm; style 6–9 mm, stigma usually surrounded by anthers at anthesis, rarely exserted beyond anthers. 2n = 14.


Phenology: Flowering Apr–Aug.
Habitat: Coastal sandy slopes and flats.
Elevation: 0–100 m.

Discussion

Subspecies cheiranthifolia occurs from Coos Bay, Curry County, Oregon, south to Point Conception, Santa Barbara County, California; on the east shore of San Francisco Bay in Alameda, Contra Costa, and Sacramento counties, California, and on San Miguel, Santa Rosa, Santa Cruz, San Nicolas, and San Clemente islands (P. H. Raven 1969).

Selected References

None.

Lower Taxa

None.
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Warren L. Wagner +
(Hornemann ex Sprengel) W. L. Wagner & Hoch +
cordate +, cuneate +  and attenuate +
Oenothera cheiranthifolia +
indehiscent +  and loculicidal +
serrulate +, denticulate +  and dentate +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1-5 times or straight narrowly cylindrical and thickened +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Calif. +  and Oreg. +
0–100 m. +
white +  and reddish-brown +
exfoliating +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
basifixed +  and versatile +
0.42 cm4.2 mm <br />0.0042 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
actinomorphic +
not swollen +, 4-angled +, curled +  and contorted +
1-5 times or straight narrowly cylindrical and thickened +
Coastal sandy slopes and flats. +
perennial +  and short-lived +
villous +, glabrous +  and strigillose +
deciduous +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
numerous +  and 1 +
red-dotted +  and yellow +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Apr–Aug. +
Syst. Bot. Monogr. +
basal +  and cauline +
clavate +  and globose +
7 +  and numerous +
sculptured +  and smooth +
obovoid +  and flattened +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.56 cm5.6 mm <br />0.0056 m <br /> (0.67 cm6.7 mm <br />0.0067 m <br />) +
purple +, pink +, red +  and green +
deciduous +
0.4 cm4 mm <br />0.004 m <br /> (0.56 cm5.6 mm <br />0.0056 m <br />) +
parenchymatous +
parietal +, axile +  and placentation +
unequal +
aquatic +, amphibious +  and terrestrial +
2 times as many or as many as sepals +
60 cm600 mm <br />0.6 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
decumbent +  and prostrate +
ascending +  and decumbent +
strigillose +
0 cm0 mm <br />0 m <br /> (60 cm600 mm <br />0.6 m <br />) +
subcapitate +  and subglobose +
petiolate +  and sessile +
intrapetiolar +
pubescent +  and glabrous +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
aquatic +, amphibious +  and terrestrial +
non-papillate +
Holostigma spirale +, Oenothera cheiranthifolia var. nitida +, O. nitida +, O. spiralis +, O. spiralis var. nitida +, Sphaerostigma nitidum +, S. spirale +  and S. spirale var. clypeatum +
Camissoniopsis cheiranthifolia subsp. cheiranthifolia +
Camissoniopsis cheiranthifolia +
subspecies +
3(-5)-aperturate +
smooth +  and erose +
papillate +