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Photo is of parent taxon

big heartleaf sun cup

Habit Herbs glandular puberulent throughout, often also sparsely villous.
Flowers

floral tube 9–14 mm;

petals 7–11 mm;

style 14–20 mm, stigma usually exserted beyond anthers at anthesis.

2n

= 14.

Chylismia cardiophylla subsp. robusta

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
from FNA
CA
[BONAP county map]
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.)

Source FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Lignothera > Chylismia cardiophylla
Sibling taxa
C. cardiophylla subsp. cardiophylla
Synonyms Oenothera cardiophylla subsp. robusta, Camissonia cardiophylla subsp. robusta
Name authority (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (2007)
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