Chylismia claviformis subsp. rubescens

(P. H. Raven) W. L. Wagner & Hoch

Syst. Bot. Monogr. 83: 207. 2007.

Basionym: Oenothera claviformis subsp. rubescens P. H. Raven Univ. Calif. Publ. Bot. 34: 103. 1962
Synonyms: Camissonia claviformis subsp. rubescens (P. H. Raven) P. H. Raven
Treatment appears in FNA Volume 10.

Herbs villous, at least proximally, also glandular puberulent. Stems 5–40 cm. Leaves: blade lateral lobes poorly developed, small or absent, terminal lobe lanceolate, to 4 × 2 cm, margins irregularly dentate. Flowers opening at sunset; buds with conspicuous, subapical free tips; floral-tube orangebrown inside, 3.5–5 mm; petals yellow, fading brick-red, 3–5 mm. 2n = 14.


Phenology: Flowering Mar–Apr.
Habitat: Sandy flats, with Ambrosia dumosa, Carnegiea gigantea, and Larrea.
Elevation: 60–400 m.

Discussion

Subspecies rubescens is known from western Maricopa, eastern Pima, and southeastern Yuma counties, Arizona, and northwestern Sonora. It intergrades with subsp. peeblesii and hybridizes with Chylismia brevipes subsp. arizonica.

Selected References

None.

Lower Taxa

None.

"elongating" is not a number.

0.15 cm1.5 mm <br />0.0015 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Warren L. Wagner +
(P. H. Raven) W. L. Wagner & Hoch +
darker flecks +
Oenothera claviformis subsp. rubescens +
indehiscent +  and loculicidal +
lobed +, toothed +  and entire +
reduced +
reflexed +  and erect +
curved +  and straight +
ascending +  and spreading +
0.8 cm8 mm <br />0.008 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Ariz. +  and Mexico (Sonora) +
60–400 m. +
basifixed +  and versatile +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
actinomorphic +
curved +  and straight +
loculicidal +
oblong-cylindrical +, clavate +  and subterete +
Sandy flats, with Ambrosia dumosa, Carnegiea gigantea, and Larrea. +
puberulent +  and villous +
unlobed +  and lobed +
deciduous +
1.5 cm15 mm <br />0.015 m <br /> (20 cm200 mm <br />0.2 m <br />) +
reduced +
0.3 cm3 mm <br />0.003 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
reduced +
membranous +
numerous +  and 1 +
0.4 cm4 mm <br />0.004 m <br /> (4 cm40 mm <br />0.04 m <br />) +
fading brick-red +  and yellow +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Flowering Mar–Apr. +
Syst. Bot. Monogr. +
well-developed +
basal +  and cauline +
clavate +  and globose +
7 +  and numerous +
lenticular +  and narrowly ovoid +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
purple +, pink +, red +  and green +
deciduous +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
parenchymatous +
parietal +, axile +  and placentation +
1 +, 4 +  and 2 +
subequal +
aquatic +, amphibious +  and terrestrial +
subequal +
2 times as many or as many as sepals +
prostrate +  and decumbent +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
conical-peltate +
capitate +  and entire +
long-petiolate +
intrapetiolar +
0.5 cm5 mm <br />0.005 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
aquatic +, amphibious +  and terrestrial +
non-papillate +
Camissonia claviformis subsp. rubescens +
Chylismia claviformis subsp. rubescens +
Chylismia claviformis +
subspecies +
0 cm0 mm <br />0 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
3(-5)-aperturate +
smooth +  and erose +
papillate +