Chylismia cardiophylla subsp. robusta |
Chylismia cardiophylla |
|||||
---|---|---|---|---|---|---|
big heartleaf sun cup |
heart leaf primrose, heartleaf suncup |
|||||
Habit | Herbs glandular puberulent throughout, often also sparsely villous. | Herbs annual or perennial, villous and glandular puberulent. | ||||
Stems | usually well branched, forming bushy habit, 20–100 cm. |
|||||
Leaves | cauline, mostly toward base; petiole (0.7–)2.5–7.5 cm; blade cordate-ovate to -orbiculate, 2.5–7.5 × 2.3–5.5 cm, smaller distally, margins erose-dentate. |
|||||
Racemes | nodding, congested. |
|||||
Flowers | floral tube 9–14 mm; petals 7–11 mm; style 14–20 mm, stigma usually exserted beyond anthers at anthesis. |
floral tube 4.5–14 mm, villous inside; sepals 3–9 mm; petals yellow, 3–12 mm; filaments 1–3 mm, anthers 2–4 mm; style 8–23 mm, stigma surrounded by or exserted just beyond anthers at anthesis. |
||||
Capsules | ascending, cylindrical, 20–55 mm; pedicel 1–18 mm. |
|||||
Seeds | 0.5–0.7 mm. |
|||||
2n | = 14. |
|||||
Chylismia cardiophylla subsp. robusta |
Chylismia cardiophylla |
|||||
Phenology | Flowering Mar–May. | |||||
Habitat | Rocky borders of washes and hillsides, with Ambrosia dumosa and Larrea tridentata. | |||||
Elevation | 600–1400 m. (2000–4600 ft.) | |||||
Distribution |
CA |
sw United States; nw Mexico
|
||||
Discussion | Subspecies robusta is known from the western and southern margins of Death Valley, Inyo County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 3 (2 in the flora). P. H. Raven (1962, 1969) determined this species to be self-compatible, but primarily outcrossing. Subspecies cedrosensis (Greene) W. L. Wagner & Hoch, occurs in Baja California and adjacent Sonora, Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
||||
Key |
|
|||||
Source | FNA vol. 10. | FNA vol. 10. | ||||
Parent taxa | ||||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Oenothera cardiophylla subsp. robusta, Camissonia cardiophylla subsp. robusta | Oenothera cardiophylla, Camissonia cardiophylla | ||||
Name authority | (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (2007) | (Torrey) Small: Bull. Torrey Bot. Club 23: 193. (1896) — (as Chylisma) | ||||
Web links |
|
|