Chylismia claviformis subsp. lancifolia |
Chylismia claviformis subsp. peirsonii |
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clavate fruit primrose |
Peirson's clavate fruit primrose |
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Habit | Herbs strigillose proximally, glabrous and often glaucous distally. | Herbs villous, at least proximally, rarely strigillose or glandular puberulent. |
Stems | 5–60 cm. |
5–60 cm. |
Leaves | blade lateral lobes usually poorly developed or absent, terminal lobe lanceolate, to 5 × 2.8 cm, margins irregularly serrate-dentate. |
blade lateral lobes usually well developed, terminal lobe narrowly ovate, to 9 × 3.5 cm, margins irregularly sinuate-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. |
opening at sunset; buds with conspicuous, subapical free tips; floral tube orange-brown inside, 2.5–4.5 mm; petals usually yellow, rarely white, not changing color in fading, 4.5–7 mm. |
2n | = 14. |
= 14. |
Chylismia claviformis subsp. lancifolia |
Chylismia claviformis subsp. peirsonii |
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Phenology | Flowering Apr–Jul. | Flowering Feb–Apr. |
Habitat | Sandy slopes and flats, often with Artemisia tridentata or Ericameria. | Sandy flats or washes, with Ambrosia dumosa, Fouquieria splendens, and Larrea. |
Elevation | 600–1700(–1900) m. (2000–5600(–6200) ft.) | -70–400 m. (-200–1300 ft.) |
Distribution |
CA; NV |
CA; Mexico (Baja California) |
Discussion | Subspecies lancifolia is known from east of the Sierra Nevada in southern Mono and Inyo counties, California, and adjacent Mineral County, Nevada. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies peirsonii is known from east of the Salton Sea and Imperial Valley in Imperial and San Diego counties, California, and in northeastern Baja California to the Gulf of California. It intergrades with subsp. aurantiaca. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 10. | FNA vol. 10. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | C. lancifolia, Camissonia claviformis subsp. lancifolia, C. claviformis var. lancifolia, Oenothera claviformis subsp. lancifolia | Oenothera claviformis var. peirsonii, Camissonia claviformis subsp. peirsonii, C. peirsonii, O. claviformis subsp. peirsonii |
Name authority | (A. Heller) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (2007) | (Munz) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 207. (2007) |
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