Difference between revisions of "Chylismia claviformis subsp. yumae"

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

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

Basionym: Oenothera claviformis subsp. yumae P. H. Raven Univ. Calif. Publ. Bot. 34: 104. 1962
Synonyms: Camissonia claviformis subsp. yumae (P. H. Raven) P. H. Raven
Treatment appears in FNA Volume 10.
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|publication year=2007
 
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|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/e39f0e846f172941159b2045254d62d10d9823f6/coarse_grained_fna_xml/V10/V10_648.xml
 
|subfamily=Onagraceae subfam. Onagroideae
 
|subfamily=Onagraceae subfam. Onagroideae
 
|tribe=Onagraceae tribe Onagreae
 
|tribe=Onagraceae tribe Onagreae

Latest revision as of 10:33, 9 May 2022

Herbs strigillose, often densely so, sometimes also glandular puberulent distally. Stems 5–40 cm. Leaves: blade lateral lobes poorly or well developed, terminal lobe lanceolate, to 6.5 × 2 cm, margins irregularly sinuate-dentate. Flowers opening at sunset; buds usually without free tips, sometimes with apical free tips less than 1 mm; floral tube orange-brown inside, 2.5–4 mm; petals pale yellow, fading reddish or not changing color, 3–5 mm. 2n = 14.


Phenology: Flowering Feb–May.
Habitat: Very arid dunes and sandy flats, with Ambrosia dumosa and Larrea tridentata.
Elevation: 0–300 m.

Distribution

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

Discussion

Subspecies yumae is known from southeastern Imperial County, California, Yuma Desert, Arizona, and from El Gran Desierto to Puerto Peñasco in north­western Sonora, and in northeastern Baja California. The subspecies is probably from hybridization between subspp. aurantiaca and peirsonii; it intergrades with subsp. aurantiaca and rarely hybridizes with Chylismia brevipes subsp. arizonica.

Selected References

None.

Lower Taxa

None.
Warren L. Wagner +
(P. H. Raven) W. L. Wagner & Hoch +
Oenothera claviformis subsp. yumae +
Ariz. +, Calif. +, Mexico (Baja California +  and Sonora). +
0–300 m. +
Very arid dunes and sandy flats, with Ambrosia dumosa and Larrea tridentata. +
Flowering Feb–May. +
Syst. Bot. Monogr. +
Camissonia claviformis subsp. yumae +
Chylismia claviformis subsp. yumae +
Chylismia claviformis +
subspecies +