Chylismia claviformis subsp. lancifolia

(A. Heller) W. L. Wagner & Hoch

Syst. Bot. Monogr. 83: 206. 2007.

Basionym: Chylismia lancifolia A. Heller Muhlenbergia 2: 226. 1906
Synonyms: Camissonia claviformis subsp. lancifolia (A. Heller) P. H. Raven C. claviformis var. lancifolia (A. Heller) Cronquist Oenothera claviformis subsp. lancifolia (A. Heller) P. H. Raven
Treatment appears in FNA Volume 10.

Herbs strigillose proximally, glabrous and often glaucous distally. Stems 5–60 cm. Leaves: blade lateral lobes usually poorly developed or absent, terminal lobe lanceolate, to 5 × 2.8 cm, margins irregularly serrate-dentate. Flowers usually opening at sunset; buds usually without free tips, sometimes with apical free tips less than 1 mm; floral tube orange-brown inside, 3.5–6 mm; petals bright yellow, sometimes red-dotted in proximal 1/2, fading pale orange, 3.5–7 mm. 2n = 14.


Phenology: Flowering Apr–Jul.
Habitat: Sandy slopes and flats, often with Artemisia tridentata or Ericameria.
Elevation: 600–1700(–1900) m.

Discussion

Subspecies lancifolia is known from east of the Sierra Nevada in southern Mono and Inyo counties, California, and adjacent Mineral County, Nevada.

Selected References

None.

Lower Taxa

None.
Warren L. Wagner +
(A. Heller) W. L. Wagner & Hoch +
Chylismia lancifolia +
Calif. +  and Nev. +
600–1700(–1900) m. +
Sandy slopes and flats, often with Artemisia tridentata or Ericameria. +
Flowering Apr–Jul. +
Syst. Bot. Monogr. +
Camissonia claviformis subsp. lancifolia +, C. claviformis var. lancifolia +  and Oenothera claviformis subsp. lancifolia +
Chylismia claviformis subsp. lancifolia +
Chylismia claviformis +
subspecies +