Chylismia cardiophylla subsp. cardiophylla

Synonyms: Oenothera cardiophylla var. petiolaris M. E. Jones
Treatment appears in FNA Volume 10.
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Herbs villous, sometimes also glandular puberulent. Flowers: floral-tube 4.5–12 mm; petals 3–12 mm; style 8–23 mm, stigma often exserted beyond anthers at anthesis. 2n = 14.


Phenology: Flowering Mar–May.
Habitat: Rocky walls, sandy alluvial flats, with Ambrosia dumosa, Hyptis emoryi, and Larrea tridentata.
Elevation: 0–700 m.

Distribution

Ariz., Calif., Mexico (Baja California), Mexico (Sonora)

Discussion

Subspecies cardiophylla is known from southern San Bernardino County south to eastern San Diego County, California, and Yuma County (and possibly western Pinal County), Arizona, and south in northeastern and central Baja California, Mexico; it is also found on Isla Ángel de la Guarda, Isla San Esteban, Isla San Luis, Isla San Marcos, and Isla San Pedro Mártir in the Gulf of California. Isla San Esteban is the only locality for this subspecies in Sonora.

Selected References

None.

Lower Taxa

None.
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Warren L. Wagner +
(Torrey) Small +
Oenothera cardiophylla +
indehiscent +  and loculicidal +
2.5 cm25 mm <br />0.025 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
lobed +, toothed +  and entire +
cordate-ovate +  and orbiculate +
smaller +
2.3 cm23 mm <br />0.023 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
reflexed +  and erect +
curved +  and straight +
cylindrical +
2 cm20 mm <br />0.02 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Ariz. +, Calif. +, Mexico (Baja California) +  and Mexico (Sonora) +
0–700 m. +
basifixed +  and versatile +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
actinomorphic +
curved +  and straight +
loculicidal +
oblong-cylindrical +, clavate +  and subterete +
Rocky walls, sandy alluvial flats, with Ambrosia dumosa, Hyptis emoryi, and Larrea tridentata. +
perennial +  and annual +
puberulent +  and villous +
unlobed +  and lobed +
deciduous +
reduced +
membranous +
numerous +  and 1 +
0.1 cm1 mm <br />0.001 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
Flowering Mar–May. +
Bull. Torrey Bot. Club +
well-developed +
basal +  and cauline +
clavate +  and globose +
7 +  and numerous +
lenticular +  and narrowly ovoid +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
purple +, pink +, red +  and green +
deciduous +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
parenchymatous +
parietal +, axile +  and placentation +
1 +, 4 +  and 2 +
subequal +
aquatic +, amphibious +  and terrestrial +
2 times as many or as many as sepals +
prostrate +  and decumbent +
20 cm200 mm <br />0.2 m <br /> (100 cm1,000 mm <br />1 m <br />) +
conical-peltate +
capitate +  and entire +
long-petiolate +
intrapetiolar +
0.8 cm8 mm <br />0.008 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
aquatic +, amphibious +  and terrestrial +
non-papillate +
Oenothera cardiophylla var. petiolaris +
Chylismia cardiophylla subsp. cardiophylla +
Chylismia cardiophylla +
subspecies +
3(-5)-aperturate +
smooth +  and erose +
papillate +